./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:43:56,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:43:56,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 15:43:56,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:43:56,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:43:56,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:43:56,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:43:56,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:43:56,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:43:56,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:43:56,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:43:56,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:43:56,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:43:56,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:43:56,728 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:43:56,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:43:56,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:43:56,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:43:56,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:43:56,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:43:56,729 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:43:56,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:43:56,729 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:43:56,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:43:56,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:43:56,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:43:56,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:43:56,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:43:56,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:43:56,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:43:56,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:43:56,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:43:56,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:43:56,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:43:56,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:43:56,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:43:56,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:43:56,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:43:56,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:43:56,733 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 [2024-11-13 15:43:57,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:43:57,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:43:57,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:43:57,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:43:57,163 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:43:57,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c Unable to find full path for "g++" [2024-11-13 15:43:59,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:44:00,052 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:44:00,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c [2024-11-13 15:44:00,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/data/b961cda5e/de865d590606402193615fc27c2ddbe2/FLAGa4556faf9 [2024-11-13 15:44:00,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/data/b961cda5e/de865d590606402193615fc27c2ddbe2 [2024-11-13 15:44:00,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:44:00,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:44:00,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:44:00,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:44:00,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:44:00,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:44:00" (1/1) ... [2024-11-13 15:44:00,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236c9231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:00, skipping insertion in model container [2024-11-13 15:44:00,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:44:00" (1/1) ... [2024-11-13 15:44:00,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:44:00,543 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-11-13 15:44:01,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:44:01,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:44:01,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-11-13 15:44:01,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:44:01,274 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:44:01,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01 WrapperNode [2024-11-13 15:44:01,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:44:01,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:44:01,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:44:01,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:44:01,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:01,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:01,906 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2958 [2024-11-13 15:44:01,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:44:01,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:44:01,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:44:01,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:44:01,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:01,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:02,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:02,247 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 15:44:02,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:02,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:02,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:02,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:02,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:02,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:02,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:44:02,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:44:02,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:44:02,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:44:02,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (1/1) ... [2024-11-13 15:44:02,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:44:02,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:44:02,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:44:02,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:44:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:44:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:44:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:44:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:44:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:44:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:44:03,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:44:03,418 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:44:09,226 INFO L? ?]: Removed 1620 outVars from TransFormulas that were not future-live. [2024-11-13 15:44:09,227 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:44:09,288 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:44:09,289 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:44:09,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:44:09 BoogieIcfgContainer [2024-11-13 15:44:09,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:44:09,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:44:09,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:44:09,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:44:09,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:44:00" (1/3) ... [2024-11-13 15:44:09,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133b6d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:44:09, skipping insertion in model container [2024-11-13 15:44:09,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:44:01" (2/3) ... [2024-11-13 15:44:09,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133b6d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:44:09, skipping insertion in model container [2024-11-13 15:44:09,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:44:09" (3/3) ... [2024-11-13 15:44:09,312 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c [2024-11-13 15:44:09,333 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:44:09,340 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c that has 2 procedures, 904 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:44:09,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:44:09,476 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@136bef45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:44:09,476 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:44:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 904 states, 894 states have (on average 1.494407158836689) internal successors, (1336), 895 states have internal predecessors, (1336), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-13 15:44:09,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:09,532 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:09,532 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:09,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:09,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1052345077, now seen corresponding path program 1 times [2024-11-13 15:44:09,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:09,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153156380] [2024-11-13 15:44:09,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:09,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:10,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:10,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:10,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:10,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:10,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:10,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:10,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:10,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:10,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153156380] [2024-11-13 15:44:10,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153156380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:10,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:10,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:44:10,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182639456] [2024-11-13 15:44:10,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:10,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:44:10,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:10,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:44:10,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:44:10,865 INFO L87 Difference]: Start difference. First operand has 904 states, 894 states have (on average 1.494407158836689) internal successors, (1336), 895 states have internal predecessors, (1336), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 147.5) internal successors, (295), 2 states have internal predecessors, (295), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:10,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:10,990 INFO L93 Difference]: Finished difference Result 1687 states and 2529 transitions. [2024-11-13 15:44:10,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:44:10,993 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 147.5) internal successors, (295), 2 states have internal predecessors, (295), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 327 [2024-11-13 15:44:10,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:11,012 INFO L225 Difference]: With dead ends: 1687 [2024-11-13 15:44:11,012 INFO L226 Difference]: Without dead ends: 901 [2024-11-13 15:44:11,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:44:11,030 INFO L432 NwaCegarLoop]: 1345 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, 1345 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:11,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:44:11,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2024-11-13 15:44:11,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 901. [2024-11-13 15:44:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 901 states, 892 states have (on average 1.492152466367713) internal successors, (1331), 892 states have internal predecessors, (1331), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1345 transitions. [2024-11-13 15:44:11,122 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1345 transitions. Word has length 327 [2024-11-13 15:44:11,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:11,123 INFO L471 AbstractCegarLoop]: Abstraction has 901 states and 1345 transitions. [2024-11-13 15:44:11,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 147.5) internal successors, (295), 2 states have internal predecessors, (295), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1345 transitions. [2024-11-13 15:44:11,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-13 15:44:11,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:11,130 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:11,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:44:11,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:11,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:11,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1732910013, now seen corresponding path program 1 times [2024-11-13 15:44:11,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:11,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901576954] [2024-11-13 15:44:11,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:14,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:14,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:14,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:14,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:14,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:14,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:14,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:14,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:14,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901576954] [2024-11-13 15:44:14,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901576954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:14,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:14,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:14,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94558109] [2024-11-13 15:44:14,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:14,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:44:14,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:14,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:44:14,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:14,364 INFO L87 Difference]: Start difference. First operand 901 states and 1345 transitions. Second operand has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:14,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:14,454 INFO L93 Difference]: Finished difference Result 905 states and 1349 transitions. [2024-11-13 15:44:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:14,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 327 [2024-11-13 15:44:14,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:14,464 INFO L225 Difference]: With dead ends: 905 [2024-11-13 15:44:14,466 INFO L226 Difference]: Without dead ends: 903 [2024-11-13 15:44:14,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:14,469 INFO L432 NwaCegarLoop]: 1343 mSDtfsCounter, 0 mSDsluCounter, 2680 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4023 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:14,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4023 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:44:14,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2024-11-13 15:44:14,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 903. [2024-11-13 15:44:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 894 states have (on average 1.4910514541387025) internal successors, (1333), 894 states have internal predecessors, (1333), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:14,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1347 transitions. [2024-11-13 15:44:14,527 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1347 transitions. Word has length 327 [2024-11-13 15:44:14,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:14,530 INFO L471 AbstractCegarLoop]: Abstraction has 903 states and 1347 transitions. [2024-11-13 15:44:14,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.75) internal successors, (295), 4 states have internal predecessors, (295), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:14,531 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1347 transitions. [2024-11-13 15:44:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2024-11-13 15:44:14,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:14,539 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:14,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:44:14,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:14,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:14,542 INFO L85 PathProgramCache]: Analyzing trace with hash -2112667458, now seen corresponding path program 1 times [2024-11-13 15:44:14,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:14,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778795986] [2024-11-13 15:44:14,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:14,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:15,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:15,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:15,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:15,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:15,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:16,002 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:16,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:16,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778795986] [2024-11-13 15:44:16,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778795986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:16,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:16,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:44:16,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894463400] [2024-11-13 15:44:16,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:16,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:16,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:16,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:16,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:16,008 INFO L87 Difference]: Start difference. First operand 903 states and 1347 transitions. Second operand has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:17,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:17,244 INFO L93 Difference]: Finished difference Result 2351 states and 3511 transitions. [2024-11-13 15:44:17,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:44:17,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 328 [2024-11-13 15:44:17,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:17,252 INFO L225 Difference]: With dead ends: 2351 [2024-11-13 15:44:17,252 INFO L226 Difference]: Without dead ends: 903 [2024-11-13 15:44:17,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:44:17,255 INFO L432 NwaCegarLoop]: 1441 mSDtfsCounter, 2720 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2720 SdHoareTripleChecker+Valid, 3935 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:17,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2720 Valid, 3935 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:44:17,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2024-11-13 15:44:17,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 903. [2024-11-13 15:44:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 894 states have (on average 1.4899328859060403) internal successors, (1332), 894 states have internal predecessors, (1332), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:17,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1346 transitions. [2024-11-13 15:44:17,291 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1346 transitions. Word has length 328 [2024-11-13 15:44:17,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:17,292 INFO L471 AbstractCegarLoop]: Abstraction has 903 states and 1346 transitions. [2024-11-13 15:44:17,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.2) internal successors, (296), 5 states have internal predecessors, (296), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1346 transitions. [2024-11-13 15:44:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-13 15:44:17,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:17,302 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:17,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:44:17,303 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:17,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:17,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1057595202, now seen corresponding path program 1 times [2024-11-13 15:44:17,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:17,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115728079] [2024-11-13 15:44:17,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:17,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:18,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:18,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:18,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:18,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:18,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:18,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:18,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:18,977 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:18,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:18,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115728079] [2024-11-13 15:44:18,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115728079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:18,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:18,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:44:18,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647715349] [2024-11-13 15:44:18,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:18,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:18,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:18,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:18,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:18,982 INFO L87 Difference]: Start difference. First operand 903 states and 1346 transitions. Second operand has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:20,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:20,059 INFO L93 Difference]: Finished difference Result 1688 states and 2516 transitions. [2024-11-13 15:44:20,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:20,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 329 [2024-11-13 15:44:20,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:20,065 INFO L225 Difference]: With dead ends: 1688 [2024-11-13 15:44:20,066 INFO L226 Difference]: Without dead ends: 903 [2024-11-13 15:44:20,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:44:20,069 INFO L432 NwaCegarLoop]: 1031 mSDtfsCounter, 1256 mSDsluCounter, 1044 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:20,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 2075 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:44:20,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2024-11-13 15:44:20,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 903. [2024-11-13 15:44:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 894 states have (on average 1.4888143176733781) internal successors, (1331), 894 states have internal predecessors, (1331), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1345 transitions. [2024-11-13 15:44:20,111 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1345 transitions. Word has length 329 [2024-11-13 15:44:20,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:20,112 INFO L471 AbstractCegarLoop]: Abstraction has 903 states and 1345 transitions. [2024-11-13 15:44:20,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 59.4) internal successors, (297), 5 states have internal predecessors, (297), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1345 transitions. [2024-11-13 15:44:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-13 15:44:20,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:20,121 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:20,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:44:20,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:20,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:20,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1205771859, now seen corresponding path program 1 times [2024-11-13 15:44:20,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:20,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884575596] [2024-11-13 15:44:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:20,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:21,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:21,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:21,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:21,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:21,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:21,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:21,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:21,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884575596] [2024-11-13 15:44:21,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884575596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:21,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:21,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:21,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373190749] [2024-11-13 15:44:21,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:21,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:44:21,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:21,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:44:21,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:21,599 INFO L87 Difference]: Start difference. First operand 903 states and 1345 transitions. Second operand has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:21,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:21,703 INFO L93 Difference]: Finished difference Result 1690 states and 2517 transitions. [2024-11-13 15:44:21,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:21,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 330 [2024-11-13 15:44:21,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:21,711 INFO L225 Difference]: With dead ends: 1690 [2024-11-13 15:44:21,711 INFO L226 Difference]: Without dead ends: 905 [2024-11-13 15:44:21,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:21,715 INFO L432 NwaCegarLoop]: 1341 mSDtfsCounter, 0 mSDsluCounter, 2672 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4013 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:21,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4013 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:44:21,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-13 15:44:21,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2024-11-13 15:44:21,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 896 states have (on average 1.4877232142857142) internal successors, (1333), 896 states have internal predecessors, (1333), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1347 transitions. [2024-11-13 15:44:21,751 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1347 transitions. Word has length 330 [2024-11-13 15:44:21,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:21,754 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1347 transitions. [2024-11-13 15:44:21,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 states have internal predecessors, (298), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1347 transitions. [2024-11-13 15:44:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2024-11-13 15:44:21,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:21,762 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:21,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:44:21,762 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:21,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1921225153, now seen corresponding path program 1 times [2024-11-13 15:44:21,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:21,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457430449] [2024-11-13 15:44:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:21,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:23,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:23,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:23,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:23,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:23,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:23,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:23,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:23,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:23,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457430449] [2024-11-13 15:44:23,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457430449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:23,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:23,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:23,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495362924] [2024-11-13 15:44:23,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:23,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:44:23,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:23,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:44:23,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:23,441 INFO L87 Difference]: Start difference. First operand 905 states and 1347 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:23,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:23,696 INFO L93 Difference]: Finished difference Result 1692 states and 2518 transitions. [2024-11-13 15:44:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:23,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 331 [2024-11-13 15:44:23,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:23,702 INFO L225 Difference]: With dead ends: 1692 [2024-11-13 15:44:23,702 INFO L226 Difference]: Without dead ends: 905 [2024-11-13 15:44:23,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:23,706 INFO L432 NwaCegarLoop]: 1289 mSDtfsCounter, 1111 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:23,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1111 Valid, 2580 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:44:23,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-13 15:44:23,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2024-11-13 15:44:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 896 states have (on average 1.4854910714285714) internal successors, (1331), 896 states have internal predecessors, (1331), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1345 transitions. [2024-11-13 15:44:23,746 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1345 transitions. Word has length 331 [2024-11-13 15:44:23,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:23,748 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1345 transitions. [2024-11-13 15:44:23,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1345 transitions. [2024-11-13 15:44:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2024-11-13 15:44:23,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:23,755 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:23,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:44:23,756 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:23,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:23,757 INFO L85 PathProgramCache]: Analyzing trace with hash 438607134, now seen corresponding path program 1 times [2024-11-13 15:44:23,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:23,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291925542] [2024-11-13 15:44:23,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:23,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:24,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:24,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:24,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:24,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:24,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:24,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:25,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:25,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291925542] [2024-11-13 15:44:25,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291925542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:25,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:25,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:44:25,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476657106] [2024-11-13 15:44:25,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:25,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:25,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:25,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:25,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:25,014 INFO L87 Difference]: Start difference. First operand 905 states and 1345 transitions. Second operand has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:25,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:25,252 INFO L93 Difference]: Finished difference Result 1826 states and 2713 transitions. [2024-11-13 15:44:25,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:44:25,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 333 [2024-11-13 15:44:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:25,263 INFO L225 Difference]: With dead ends: 1826 [2024-11-13 15:44:25,263 INFO L226 Difference]: Without dead ends: 905 [2024-11-13 15:44:25,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:44:25,266 INFO L432 NwaCegarLoop]: 1330 mSDtfsCounter, 1504 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 3957 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:25,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 3957 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:44:25,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-13 15:44:25,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2024-11-13 15:44:25,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 896 states have (on average 1.484375) internal successors, (1330), 896 states have internal predecessors, (1330), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:25,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1344 transitions. [2024-11-13 15:44:25,300 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1344 transitions. Word has length 333 [2024-11-13 15:44:25,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:25,300 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1344 transitions. [2024-11-13 15:44:25,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.2) internal successors, (301), 5 states have internal predecessors, (301), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:25,301 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1344 transitions. [2024-11-13 15:44:25,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2024-11-13 15:44:25,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:25,308 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:25,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:44:25,308 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:25,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:25,309 INFO L85 PathProgramCache]: Analyzing trace with hash -577277243, now seen corresponding path program 1 times [2024-11-13 15:44:25,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:25,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843253995] [2024-11-13 15:44:25,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:25,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:26,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:26,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:26,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:26,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:26,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:26,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:26,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:26,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:26,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843253995] [2024-11-13 15:44:26,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843253995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:26,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:26,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:44:26,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98218720] [2024-11-13 15:44:26,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:26,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:26,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:26,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:26,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:26,437 INFO L87 Difference]: Start difference. First operand 905 states and 1344 transitions. Second operand has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:26,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:26,716 INFO L93 Difference]: Finished difference Result 1692 states and 2512 transitions. [2024-11-13 15:44:26,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:26,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 334 [2024-11-13 15:44:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:26,723 INFO L225 Difference]: With dead ends: 1692 [2024-11-13 15:44:26,724 INFO L226 Difference]: Without dead ends: 905 [2024-11-13 15:44:26,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:44:26,726 INFO L432 NwaCegarLoop]: 1289 mSDtfsCounter, 1320 mSDsluCounter, 1302 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:26,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 2591 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:44:26,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-13 15:44:26,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2024-11-13 15:44:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 896 states have (on average 1.4832589285714286) internal successors, (1329), 896 states have internal predecessors, (1329), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1343 transitions. [2024-11-13 15:44:26,769 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1343 transitions. Word has length 334 [2024-11-13 15:44:26,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:26,770 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1343 transitions. [2024-11-13 15:44:26,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:26,771 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1343 transitions. [2024-11-13 15:44:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-13 15:44:26,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:26,780 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:26,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:44:26,780 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:26,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:26,781 INFO L85 PathProgramCache]: Analyzing trace with hash -849312411, now seen corresponding path program 1 times [2024-11-13 15:44:26,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:26,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650157972] [2024-11-13 15:44:26,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:26,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:27,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:27,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:27,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:27,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:27,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:27,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:27,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:27,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650157972] [2024-11-13 15:44:27,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650157972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:27,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:27,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:44:27,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603816026] [2024-11-13 15:44:27,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:27,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:27,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:27,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:27,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:27,898 INFO L87 Difference]: Start difference. First operand 905 states and 1343 transitions. Second operand has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:28,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:28,184 INFO L93 Difference]: Finished difference Result 1692 states and 2510 transitions. [2024-11-13 15:44:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:28,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 335 [2024-11-13 15:44:28,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:28,192 INFO L225 Difference]: With dead ends: 1692 [2024-11-13 15:44:28,192 INFO L226 Difference]: Without dead ends: 905 [2024-11-13 15:44:28,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:44:28,196 INFO L432 NwaCegarLoop]: 1289 mSDtfsCounter, 2345 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2352 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:28,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2352 Valid, 2580 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:44:28,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-13 15:44:28,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2024-11-13 15:44:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 896 states have (on average 1.4821428571428572) internal successors, (1328), 896 states have internal predecessors, (1328), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:44:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1342 transitions. [2024-11-13 15:44:28,230 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1342 transitions. Word has length 335 [2024-11-13 15:44:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:28,231 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1342 transitions. [2024-11-13 15:44:28,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.6) internal successors, (303), 5 states have internal predecessors, (303), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1342 transitions. [2024-11-13 15:44:28,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-13 15:44:28,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:28,240 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:28,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:44:28,241 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:28,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:28,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1767153188, now seen corresponding path program 1 times [2024-11-13 15:44:28,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:28,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945031554] [2024-11-13 15:44:28,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:28,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:30,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:30,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:44:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:30,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 15:44:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:30,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:44:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:30,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:44:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:30,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:44:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:30,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:30,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945031554] [2024-11-13 15:44:30,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945031554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:30,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:30,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:44:30,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240743302] [2024-11-13 15:44:30,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:30,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:44:30,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:30,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:44:30,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:44:30,896 INFO L87 Difference]: Start difference. First operand 905 states and 1342 transitions. Second operand has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 6 states have internal predecessors, (304), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:31,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:31,755 INFO L93 Difference]: Finished difference Result 2564 states and 3803 transitions. [2024-11-13 15:44:31,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:44:31,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 6 states have internal predecessors, (304), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 336 [2024-11-13 15:44:31,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:31,766 INFO L225 Difference]: With dead ends: 2564 [2024-11-13 15:44:31,766 INFO L226 Difference]: Without dead ends: 1677 [2024-11-13 15:44:31,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:44:31,769 INFO L432 NwaCegarLoop]: 1392 mSDtfsCounter, 1229 mSDsluCounter, 5151 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1234 SdHoareTripleChecker+Valid, 6543 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:31,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1234 Valid, 6543 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:44:31,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2024-11-13 15:44:31,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 964. [2024-11-13 15:44:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 953 states have (on average 1.4805876180482687) internal successors, (1411), 953 states have internal predecessors, (1411), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:44:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1429 transitions. [2024-11-13 15:44:31,818 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1429 transitions. Word has length 336 [2024-11-13 15:44:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:31,819 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1429 transitions. [2024-11-13 15:44:31,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 6 states have internal predecessors, (304), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:31,819 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1429 transitions. [2024-11-13 15:44:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-13 15:44:31,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:31,827 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:31,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:44:31,827 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:31,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1223488920, now seen corresponding path program 1 times [2024-11-13 15:44:31,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:31,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181864306] [2024-11-13 15:44:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:31,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:33,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:33,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:33,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:44:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:33,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:44:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:33,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:44:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:33,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 15:44:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:33,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:44:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:33,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:33,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181864306] [2024-11-13 15:44:33,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181864306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:33,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:33,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:33,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111545687] [2024-11-13 15:44:33,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:33,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:44:33,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:33,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:44:33,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:33,815 INFO L87 Difference]: Start difference. First operand 964 states and 1429 transitions. Second operand has 4 states, 4 states have (on average 76.25) internal successors, (305), 4 states have internal predecessors, (305), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:34,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:34,058 INFO L93 Difference]: Finished difference Result 1751 states and 2595 transitions. [2024-11-13 15:44:34,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:34,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.25) internal successors, (305), 4 states have internal predecessors, (305), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 337 [2024-11-13 15:44:34,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:34,064 INFO L225 Difference]: With dead ends: 1751 [2024-11-13 15:44:34,065 INFO L226 Difference]: Without dead ends: 964 [2024-11-13 15:44:34,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:34,067 INFO L432 NwaCegarLoop]: 1289 mSDtfsCounter, 1176 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 2580 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:34,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 2580 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:44:34,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-13 15:44:34,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2024-11-13 15:44:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 953 states have (on average 1.4795383001049318) internal successors, (1410), 953 states have internal predecessors, (1410), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:44:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1428 transitions. [2024-11-13 15:44:34,107 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1428 transitions. Word has length 337 [2024-11-13 15:44:34,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:34,108 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1428 transitions. [2024-11-13 15:44:34,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.25) internal successors, (305), 4 states have internal predecessors, (305), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:44:34,109 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1428 transitions. [2024-11-13 15:44:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-13 15:44:34,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:34,117 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:34,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 15:44:34,118 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:34,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:34,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1862282348, now seen corresponding path program 1 times [2024-11-13 15:44:34,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:34,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108283285] [2024-11-13 15:44:34,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:34,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:36,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:36,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:36,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:44:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:36,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:44:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:44:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:36,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 15:44:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:36,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:44:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:36,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:36,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108283285] [2024-11-13 15:44:36,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108283285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:36,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:36,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:36,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492184907] [2024-11-13 15:44:36,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:36,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:44:36,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:36,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:44:36,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:36,167 INFO L87 Difference]: Start difference. First operand 964 states and 1428 transitions. Second operand has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:37,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:37,079 INFO L93 Difference]: Finished difference Result 1751 states and 2593 transitions. [2024-11-13 15:44:37,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:37,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 338 [2024-11-13 15:44:37,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:37,086 INFO L225 Difference]: With dead ends: 1751 [2024-11-13 15:44:37,086 INFO L226 Difference]: Without dead ends: 964 [2024-11-13 15:44:37,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:37,089 INFO L432 NwaCegarLoop]: 1039 mSDtfsCounter, 1259 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 2066 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:37,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 2066 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:44:37,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2024-11-13 15:44:37,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2024-11-13 15:44:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 953 states have (on average 1.478488982161595) internal successors, (1409), 953 states have internal predecessors, (1409), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 15:44:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1427 transitions. [2024-11-13 15:44:37,126 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1427 transitions. Word has length 338 [2024-11-13 15:44:37,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:37,127 INFO L471 AbstractCegarLoop]: Abstraction has 964 states and 1427 transitions. [2024-11-13 15:44:37,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1427 transitions. [2024-11-13 15:44:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-13 15:44:37,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:37,136 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:37,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 15:44:37,137 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:37,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:37,137 INFO L85 PathProgramCache]: Analyzing trace with hash 565841755, now seen corresponding path program 1 times [2024-11-13 15:44:37,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:37,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58013260] [2024-11-13 15:44:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:37,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:40,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:40,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:44:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:40,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:44:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:40,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:44:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:40,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 15:44:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:40,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:44:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:40,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:40,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58013260] [2024-11-13 15:44:40,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58013260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:40,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:40,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 15:44:40,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718879142] [2024-11-13 15:44:40,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:40,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 15:44:40,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:40,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 15:44:40,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:44:40,338 INFO L87 Difference]: Start difference. First operand 964 states and 1427 transitions. Second operand has 11 states, 11 states have (on average 27.90909090909091) internal successors, (307), 11 states have internal predecessors, (307), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:44:42,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:42,867 INFO L93 Difference]: Finished difference Result 2760 states and 4086 transitions. [2024-11-13 15:44:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:44:42,868 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 27.90909090909091) internal successors, (307), 11 states have internal predecessors, (307), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 339 [2024-11-13 15:44:42,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:42,877 INFO L225 Difference]: With dead ends: 2760 [2024-11-13 15:44:42,878 INFO L226 Difference]: Without dead ends: 1973 [2024-11-13 15:44:42,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:44:42,881 INFO L432 NwaCegarLoop]: 1131 mSDtfsCounter, 4666 mSDsluCounter, 7917 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4681 SdHoareTripleChecker+Valid, 9048 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:42,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4681 Valid, 9048 Invalid, 2277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [24 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 15:44:42,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2024-11-13 15:44:42,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1262. [2024-11-13 15:44:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 1238 states have (on average 1.475767366720517) internal successors, (1827), 1238 states have internal predecessors, (1827), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 15:44:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1871 transitions. [2024-11-13 15:44:42,947 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1871 transitions. Word has length 339 [2024-11-13 15:44:42,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:42,948 INFO L471 AbstractCegarLoop]: Abstraction has 1262 states and 1871 transitions. [2024-11-13 15:44:42,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 27.90909090909091) internal successors, (307), 11 states have internal predecessors, (307), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:44:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1871 transitions. [2024-11-13 15:44:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2024-11-13 15:44:42,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:42,955 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:42,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 15:44:42,956 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:42,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:42,956 INFO L85 PathProgramCache]: Analyzing trace with hash 2143225723, now seen corresponding path program 1 times [2024-11-13 15:44:42,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:42,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117399080] [2024-11-13 15:44:42,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:45,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:44:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:45,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:44:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:45,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 15:44:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:45,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:44:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:45,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:44:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:45,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 15:44:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:45,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:44:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:45,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:45,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117399080] [2024-11-13 15:44:45,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117399080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:45,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:45,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:44:45,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445516967] [2024-11-13 15:44:45,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:45,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:44:45,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:45,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:44:45,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:44:45,796 INFO L87 Difference]: Start difference. First operand 1262 states and 1871 transitions. Second operand has 8 states, 8 states have (on average 38.375) internal successors, (307), 8 states have internal predecessors, (307), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:44:46,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:46,231 INFO L93 Difference]: Finished difference Result 3939 states and 5837 transitions. [2024-11-13 15:44:46,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:44:46,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 38.375) internal successors, (307), 8 states have internal predecessors, (307), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 339 [2024-11-13 15:44:46,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:46,245 INFO L225 Difference]: With dead ends: 3939 [2024-11-13 15:44:46,245 INFO L226 Difference]: Without dead ends: 3125 [2024-11-13 15:44:46,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:44:46,249 INFO L432 NwaCegarLoop]: 1393 mSDtfsCounter, 4203 mSDsluCounter, 6323 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4217 SdHoareTripleChecker+Valid, 7716 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:46,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4217 Valid, 7716 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:44:46,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3125 states. [2024-11-13 15:44:46,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3125 to 1712. [2024-11-13 15:44:46,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1669 states have (on average 1.4709406830437388) internal successors, (2455), 1669 states have internal predecessors, (2455), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-13 15:44:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2537 transitions. [2024-11-13 15:44:46,331 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2537 transitions. Word has length 339 [2024-11-13 15:44:46,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:46,331 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2537 transitions. [2024-11-13 15:44:46,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 38.375) internal successors, (307), 8 states have internal predecessors, (307), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:44:46,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2537 transitions. [2024-11-13 15:44:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-13 15:44:46,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:46,337 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:46,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 15:44:46,337 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:46,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:46,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1977829337, now seen corresponding path program 1 times [2024-11-13 15:44:46,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:46,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977118553] [2024-11-13 15:44:46,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:46,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:44:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:47,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 15:44:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 15:44:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:47,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 15:44:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:47,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:44:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:44:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 15:44:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:47,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:47,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977118553] [2024-11-13 15:44:47,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977118553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:47,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:47,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:47,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304047670] [2024-11-13 15:44:47,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:47,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:44:47,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:47,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:44:47,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:47,566 INFO L87 Difference]: Start difference. First operand 1712 states and 2537 transitions. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:48,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:48,220 INFO L93 Difference]: Finished difference Result 2909 states and 4308 transitions. [2024-11-13 15:44:48,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:48,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 340 [2024-11-13 15:44:48,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:48,228 INFO L225 Difference]: With dead ends: 2909 [2024-11-13 15:44:48,229 INFO L226 Difference]: Without dead ends: 1611 [2024-11-13 15:44:48,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:48,233 INFO L432 NwaCegarLoop]: 1458 mSDtfsCounter, 70 mSDsluCounter, 2498 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 3956 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:48,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 3956 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:44:48,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2024-11-13 15:44:48,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1293. [2024-11-13 15:44:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1268 states have (on average 1.472397476340694) internal successors, (1867), 1268 states have internal predecessors, (1867), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 15:44:48,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1913 transitions. [2024-11-13 15:44:48,292 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1913 transitions. Word has length 340 [2024-11-13 15:44:48,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:48,293 INFO L471 AbstractCegarLoop]: Abstraction has 1293 states and 1913 transitions. [2024-11-13 15:44:48,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1913 transitions. [2024-11-13 15:44:48,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-13 15:44:48,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:48,299 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:48,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 15:44:48,299 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:48,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:48,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1173783721, now seen corresponding path program 1 times [2024-11-13 15:44:48,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:48,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156182851] [2024-11-13 15:44:48,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:48,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:49,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:49,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:49,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 15:44:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:49,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 15:44:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:49,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:44:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:49,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:44:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:49,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:44:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:49,296 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:49,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:49,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156182851] [2024-11-13 15:44:49,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156182851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:49,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:49,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:44:49,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110170439] [2024-11-13 15:44:49,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:49,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:49,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:49,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:49,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:49,303 INFO L87 Difference]: Start difference. First operand 1293 states and 1913 transitions. Second operand has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:50,414 INFO L93 Difference]: Finished difference Result 2161 states and 3197 transitions. [2024-11-13 15:44:50,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:44:50,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 341 [2024-11-13 15:44:50,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:50,422 INFO L225 Difference]: With dead ends: 2161 [2024-11-13 15:44:50,423 INFO L226 Difference]: Without dead ends: 1301 [2024-11-13 15:44:50,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:50,425 INFO L432 NwaCegarLoop]: 1038 mSDtfsCounter, 1313 mSDsluCounter, 2033 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 3071 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:50,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 3071 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:44:50,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2024-11-13 15:44:50,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 1301. [2024-11-13 15:44:50,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1276 states have (on average 1.469435736677116) internal successors, (1875), 1276 states have internal predecessors, (1875), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 15:44:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1921 transitions. [2024-11-13 15:44:50,475 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1921 transitions. Word has length 341 [2024-11-13 15:44:50,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:50,475 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1921 transitions. [2024-11-13 15:44:50,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1921 transitions. [2024-11-13 15:44:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-13 15:44:50,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:50,480 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:50,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 15:44:50,481 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:50,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:50,481 INFO L85 PathProgramCache]: Analyzing trace with hash -753827949, now seen corresponding path program 1 times [2024-11-13 15:44:50,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:50,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938789846] [2024-11-13 15:44:50,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:52,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:44:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:52,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:44:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:52,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 15:44:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:52,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 15:44:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:52,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:44:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:52,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:44:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:52,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:44:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:52,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:52,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938789846] [2024-11-13 15:44:52,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938789846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:52,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:52,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:44:52,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282254017] [2024-11-13 15:44:52,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:52,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:44:52,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:52,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:44:52,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:52,377 INFO L87 Difference]: Start difference. First operand 1301 states and 1921 transitions. Second operand has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:53,442 INFO L93 Difference]: Finished difference Result 2094 states and 3092 transitions. [2024-11-13 15:44:53,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:44:53,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 341 [2024-11-13 15:44:53,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:53,449 INFO L225 Difference]: With dead ends: 2094 [2024-11-13 15:44:53,449 INFO L226 Difference]: Without dead ends: 1305 [2024-11-13 15:44:53,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:53,452 INFO L432 NwaCegarLoop]: 1038 mSDtfsCounter, 1187 mSDsluCounter, 2043 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 3081 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:53,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1189 Valid, 3081 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:44:53,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2024-11-13 15:44:53,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1303. [2024-11-13 15:44:53,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1303 states, 1278 states have (on average 1.4687010954616588) internal successors, (1877), 1278 states have internal predecessors, (1877), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 15:44:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1923 transitions. [2024-11-13 15:44:53,496 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1923 transitions. Word has length 341 [2024-11-13 15:44:53,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:53,497 INFO L471 AbstractCegarLoop]: Abstraction has 1303 states and 1923 transitions. [2024-11-13 15:44:53,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1923 transitions. [2024-11-13 15:44:53,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-13 15:44:53,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:53,502 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:53,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 15:44:53,502 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:53,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:53,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1409197788, now seen corresponding path program 1 times [2024-11-13 15:44:53,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:53,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575760735] [2024-11-13 15:44:53,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:53,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:54,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:44:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:54,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:44:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 15:44:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:54,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 15:44:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:54,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:44:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:44:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:54,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:44:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:54,975 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:54,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:54,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575760735] [2024-11-13 15:44:54,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575760735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:54,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:54,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:54,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344543232] [2024-11-13 15:44:54,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:54,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:44:54,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:54,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:44:54,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:54,980 INFO L87 Difference]: Start difference. First operand 1303 states and 1923 transitions. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:55,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:55,855 INFO L93 Difference]: Finished difference Result 2094 states and 3090 transitions. [2024-11-13 15:44:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:55,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 342 [2024-11-13 15:44:55,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:55,863 INFO L225 Difference]: With dead ends: 2094 [2024-11-13 15:44:55,864 INFO L226 Difference]: Without dead ends: 1303 [2024-11-13 15:44:55,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:55,867 INFO L432 NwaCegarLoop]: 1039 mSDtfsCounter, 1180 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1182 SdHoareTripleChecker+Valid, 2066 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:55,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1182 Valid, 2066 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:44:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2024-11-13 15:44:55,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1301. [2024-11-13 15:44:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1301 states, 1276 states have (on average 1.468652037617555) internal successors, (1874), 1276 states have internal predecessors, (1874), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 15:44:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 1920 transitions. [2024-11-13 15:44:55,926 INFO L78 Accepts]: Start accepts. Automaton has 1301 states and 1920 transitions. Word has length 342 [2024-11-13 15:44:55,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:55,927 INFO L471 AbstractCegarLoop]: Abstraction has 1301 states and 1920 transitions. [2024-11-13 15:44:55,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1920 transitions. [2024-11-13 15:44:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-13 15:44:55,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:55,936 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:55,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 15:44:55,936 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:55,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:55,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1481386069, now seen corresponding path program 1 times [2024-11-13 15:44:55,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:55,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35877986] [2024-11-13 15:44:55,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:55,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:57,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:44:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:57,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:44:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:57,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 15:44:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:57,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 15:44:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:57,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:44:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:57,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:44:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:57,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:44:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:57,868 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:57,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:57,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35877986] [2024-11-13 15:44:57,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35877986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:57,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:57,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:44:57,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754172860] [2024-11-13 15:44:57,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:57,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:44:57,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:57,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:44:57,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:44:57,872 INFO L87 Difference]: Start difference. First operand 1301 states and 1920 transitions. Second operand has 7 states, 7 states have (on average 44.285714285714285) internal successors, (310), 7 states have internal predecessors, (310), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:58,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:58,129 INFO L93 Difference]: Finished difference Result 2271 states and 3352 transitions. [2024-11-13 15:44:58,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:44:58,130 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 44.285714285714285) internal successors, (310), 7 states have internal predecessors, (310), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 342 [2024-11-13 15:44:58,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:58,135 INFO L225 Difference]: With dead ends: 2271 [2024-11-13 15:44:58,135 INFO L226 Difference]: Without dead ends: 1325 [2024-11-13 15:44:58,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:44:58,138 INFO L432 NwaCegarLoop]: 1311 mSDtfsCounter, 1239 mSDsluCounter, 5200 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 6511 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:58,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 6511 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:44:58,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1325 states. [2024-11-13 15:44:58,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1325 to 1315. [2024-11-13 15:44:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 1290 states have (on average 1.4635658914728682) internal successors, (1888), 1290 states have internal predecessors, (1888), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 15:44:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1934 transitions. [2024-11-13 15:44:58,180 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1934 transitions. Word has length 342 [2024-11-13 15:44:58,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:58,180 INFO L471 AbstractCegarLoop]: Abstraction has 1315 states and 1934 transitions. [2024-11-13 15:44:58,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.285714285714285) internal successors, (310), 7 states have internal predecessors, (310), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:44:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1934 transitions. [2024-11-13 15:44:58,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-13 15:44:58,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:58,187 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:58,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 15:44:58,188 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:58,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:58,188 INFO L85 PathProgramCache]: Analyzing trace with hash 131228414, now seen corresponding path program 1 times [2024-11-13 15:44:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:44:58,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957209338] [2024-11-13 15:44:58,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:58,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:44:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:59,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:44:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:59,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:44:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:59,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:44:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:59,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:44:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:59,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 15:44:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:59,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:44:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:59,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 15:44:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:44:59,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:44:59,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957209338] [2024-11-13 15:44:59,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957209338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:59,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:59,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:44:59,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2625552] [2024-11-13 15:44:59,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:59,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:44:59,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:44:59,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:44:59,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:44:59,174 INFO L87 Difference]: Start difference. First operand 1315 states and 1934 transitions. Second operand has 6 states, 6 states have (on average 51.833333333333336) internal successors, (311), 6 states have internal predecessors, (311), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:01,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:01,021 INFO L93 Difference]: Finished difference Result 2883 states and 4250 transitions. [2024-11-13 15:45:01,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:01,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 51.833333333333336) internal successors, (311), 6 states have internal predecessors, (311), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 343 [2024-11-13 15:45:01,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:01,028 INFO L225 Difference]: With dead ends: 2883 [2024-11-13 15:45:01,029 INFO L226 Difference]: Without dead ends: 2089 [2024-11-13 15:45:01,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:45:01,031 INFO L432 NwaCegarLoop]: 1781 mSDtfsCounter, 2327 mSDsluCounter, 4521 mSDsCounter, 0 mSdLazyCounter, 1902 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2334 SdHoareTripleChecker+Valid, 6302 SdHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:01,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2334 Valid, 6302 Invalid, 1903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1902 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 15:45:01,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2024-11-13 15:45:01,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 1478. [2024-11-13 15:45:01,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1444 states have (on average 1.4632963988919667) internal successors, (2113), 1444 states have internal predecessors, (2113), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 2177 transitions. [2024-11-13 15:45:01,074 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 2177 transitions. Word has length 343 [2024-11-13 15:45:01,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:01,075 INFO L471 AbstractCegarLoop]: Abstraction has 1478 states and 2177 transitions. [2024-11-13 15:45:01,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.833333333333336) internal successors, (311), 6 states have internal predecessors, (311), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2177 transitions. [2024-11-13 15:45:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-13 15:45:01,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:01,079 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:01,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 15:45:01,080 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:01,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:01,080 INFO L85 PathProgramCache]: Analyzing trace with hash -609254527, now seen corresponding path program 1 times [2024-11-13 15:45:01,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:01,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707986439] [2024-11-13 15:45:01,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:01,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:01,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:45:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:01,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:45:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:01,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:45:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:01,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:45:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:01,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 15:45:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:01,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:45:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:01,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 15:45:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:01,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:01,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707986439] [2024-11-13 15:45:01,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707986439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:01,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:01,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:45:01,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644777706] [2024-11-13 15:45:01,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:01,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:45:01,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:01,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:45:01,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:01,901 INFO L87 Difference]: Start difference. First operand 1478 states and 2177 transitions. Second operand has 6 states, 6 states have (on average 51.833333333333336) internal successors, (311), 6 states have internal predecessors, (311), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:02,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:02,954 INFO L93 Difference]: Finished difference Result 2580 states and 3804 transitions. [2024-11-13 15:45:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:02,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 51.833333333333336) internal successors, (311), 6 states have internal predecessors, (311), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 343 [2024-11-13 15:45:02,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:02,961 INFO L225 Difference]: With dead ends: 2580 [2024-11-13 15:45:02,961 INFO L226 Difference]: Without dead ends: 1502 [2024-11-13 15:45:02,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:02,964 INFO L432 NwaCegarLoop]: 1036 mSDtfsCounter, 1310 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 4102 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:02,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1317 Valid, 4102 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:45:02,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2024-11-13 15:45:03,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1490. [2024-11-13 15:45:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1490 states, 1456 states have (on average 1.459478021978022) internal successors, (2125), 1456 states have internal predecessors, (2125), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:03,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 2189 transitions. [2024-11-13 15:45:03,008 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 2189 transitions. Word has length 343 [2024-11-13 15:45:03,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:03,009 INFO L471 AbstractCegarLoop]: Abstraction has 1490 states and 2189 transitions. [2024-11-13 15:45:03,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.833333333333336) internal successors, (311), 6 states have internal predecessors, (311), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:03,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2189 transitions. [2024-11-13 15:45:03,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-13 15:45:03,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:03,014 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:03,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 15:45:03,015 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:03,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:03,015 INFO L85 PathProgramCache]: Analyzing trace with hash 27852551, now seen corresponding path program 1 times [2024-11-13 15:45:03,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:03,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613438561] [2024-11-13 15:45:03,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:03,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:04,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:04,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:04,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:45:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:04,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 15:45:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:04,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 15:45:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:04,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:45:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:04,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 15:45:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:04,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:04,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613438561] [2024-11-13 15:45:04,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613438561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:04,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:04,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:45:04,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686702937] [2024-11-13 15:45:04,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:04,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:45:04,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:04,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:45:04,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:04,345 INFO L87 Difference]: Start difference. First operand 1490 states and 2189 transitions. Second operand has 6 states, 6 states have (on average 52.0) internal successors, (312), 6 states have internal predecessors, (312), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:06,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:06,175 INFO L93 Difference]: Finished difference Result 2991 states and 4402 transitions. [2024-11-13 15:45:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:06,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 52.0) internal successors, (312), 6 states have internal predecessors, (312), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 344 [2024-11-13 15:45:06,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:06,189 INFO L225 Difference]: With dead ends: 2991 [2024-11-13 15:45:06,189 INFO L226 Difference]: Without dead ends: 2101 [2024-11-13 15:45:06,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:45:06,195 INFO L432 NwaCegarLoop]: 1810 mSDtfsCounter, 2159 mSDsluCounter, 4598 mSDsCounter, 0 mSdLazyCounter, 1965 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 6408 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:06,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2166 Valid, 6408 Invalid, 1966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1965 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 15:45:06,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2024-11-13 15:45:06,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 1722. [2024-11-13 15:45:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1688 states have (on average 1.4585308056872037) internal successors, (2462), 1688 states have internal predecessors, (2462), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2526 transitions. [2024-11-13 15:45:06,246 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2526 transitions. Word has length 344 [2024-11-13 15:45:06,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:06,247 INFO L471 AbstractCegarLoop]: Abstraction has 1722 states and 2526 transitions. [2024-11-13 15:45:06,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.0) internal successors, (312), 6 states have internal predecessors, (312), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2526 transitions. [2024-11-13 15:45:06,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-13 15:45:06,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:06,252 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:06,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 15:45:06,253 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:06,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:06,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1556969747, now seen corresponding path program 1 times [2024-11-13 15:45:06,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:06,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403411265] [2024-11-13 15:45:06,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:06,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:08,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:08,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:08,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:08,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 15:45:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:08,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:45:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:08,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 15:45:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:45:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:08,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:08,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403411265] [2024-11-13 15:45:08,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403411265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:08,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:08,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:45:08,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048520789] [2024-11-13 15:45:08,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:08,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:45:08,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:08,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:45:08,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:45:08,553 INFO L87 Difference]: Start difference. First operand 1722 states and 2526 transitions. Second operand has 7 states, 7 states have (on average 44.57142857142857) internal successors, (312), 7 states have internal predecessors, (312), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:08,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:08,927 INFO L93 Difference]: Finished difference Result 3028 states and 4446 transitions. [2024-11-13 15:45:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:45:08,928 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 44.57142857142857) internal successors, (312), 7 states have internal predecessors, (312), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 344 [2024-11-13 15:45:08,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:08,936 INFO L225 Difference]: With dead ends: 3028 [2024-11-13 15:45:08,938 INFO L226 Difference]: Without dead ends: 1770 [2024-11-13 15:45:08,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:45:08,941 INFO L432 NwaCegarLoop]: 1311 mSDtfsCounter, 1228 mSDsluCounter, 5110 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 6421 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 [2024-11-13 15:45:08,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1232 Valid, 6421 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:45:08,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2024-11-13 15:45:08,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1752. [2024-11-13 15:45:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1752 states, 1718 states have (on average 1.4540162980209546) internal successors, (2498), 1718 states have internal predecessors, (2498), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1752 states and 2562 transitions. [2024-11-13 15:45:08,997 INFO L78 Accepts]: Start accepts. Automaton has 1752 states and 2562 transitions. Word has length 344 [2024-11-13 15:45:08,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:08,998 INFO L471 AbstractCegarLoop]: Abstraction has 1752 states and 2562 transitions. [2024-11-13 15:45:08,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.57142857142857) internal successors, (312), 7 states have internal predecessors, (312), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:08,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2562 transitions. [2024-11-13 15:45:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-13 15:45:09,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:09,003 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:09,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 15:45:09,003 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:09,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:09,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1016877766, now seen corresponding path program 1 times [2024-11-13 15:45:09,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:09,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113703529] [2024-11-13 15:45:09,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:09,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:09,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:09,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:09,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:45:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:09,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 15:45:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:09,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 15:45:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:09,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:45:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:09,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:09,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113703529] [2024-11-13 15:45:09,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113703529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:09,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:09,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:45:09,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011038210] [2024-11-13 15:45:09,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:09,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:45:09,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:09,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:45:09,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:09,884 INFO L87 Difference]: Start difference. First operand 1752 states and 2562 transitions. Second operand has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:45:10,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:10,890 INFO L93 Difference]: Finished difference Result 3012 states and 4410 transitions. [2024-11-13 15:45:10,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:10,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 345 [2024-11-13 15:45:10,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:10,895 INFO L225 Difference]: With dead ends: 3012 [2024-11-13 15:45:10,895 INFO L226 Difference]: Without dead ends: 1776 [2024-11-13 15:45:10,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:10,897 INFO L432 NwaCegarLoop]: 1036 mSDtfsCounter, 1294 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 4124 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:10,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 4124 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:45:10,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2024-11-13 15:45:10,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1764. [2024-11-13 15:45:10,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1764 states, 1730 states have (on average 1.4508670520231215) internal successors, (2510), 1730 states have internal predecessors, (2510), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:10,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2574 transitions. [2024-11-13 15:45:10,944 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2574 transitions. Word has length 345 [2024-11-13 15:45:10,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:10,944 INFO L471 AbstractCegarLoop]: Abstraction has 1764 states and 2574 transitions. [2024-11-13 15:45:10,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.166666666666664) internal successors, (313), 6 states have internal predecessors, (313), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:45:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2574 transitions. [2024-11-13 15:45:10,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2024-11-13 15:45:10,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:10,950 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:10,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 15:45:10,950 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:10,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:10,951 INFO L85 PathProgramCache]: Analyzing trace with hash -38137032, now seen corresponding path program 1 times [2024-11-13 15:45:10,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:10,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933858575] [2024-11-13 15:45:10,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:10,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:11,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:11,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:11,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:11,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:45:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 15:45:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:11,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 15:45:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:11,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:45:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:11,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:11,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933858575] [2024-11-13 15:45:11,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933858575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:11,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:11,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:11,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437947479] [2024-11-13 15:45:11,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:11,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:45:11,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:11,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:45:11,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:11,822 INFO L87 Difference]: Start difference. First operand 1764 states and 2574 transitions. Second operand has 5 states, 5 states have (on average 62.6) internal successors, (313), 5 states have internal predecessors, (313), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:45:12,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:12,769 INFO L93 Difference]: Finished difference Result 3080 states and 4500 transitions. [2024-11-13 15:45:12,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:45:12,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.6) internal successors, (313), 5 states have internal predecessors, (313), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 345 [2024-11-13 15:45:12,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:12,774 INFO L225 Difference]: With dead ends: 3080 [2024-11-13 15:45:12,774 INFO L226 Difference]: Without dead ends: 1776 [2024-11-13 15:45:12,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:12,776 INFO L432 NwaCegarLoop]: 1038 mSDtfsCounter, 1298 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 3073 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:12,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 3073 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:45:12,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2024-11-13 15:45:12,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1776. [2024-11-13 15:45:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1742 states have (on average 1.4477611940298507) internal successors, (2522), 1742 states have internal predecessors, (2522), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2586 transitions. [2024-11-13 15:45:12,816 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2586 transitions. Word has length 345 [2024-11-13 15:45:12,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:12,817 INFO L471 AbstractCegarLoop]: Abstraction has 1776 states and 2586 transitions. [2024-11-13 15:45:12,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.6) internal successors, (313), 5 states have internal predecessors, (313), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:45:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2586 transitions. [2024-11-13 15:45:12,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-13 15:45:12,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:12,822 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:12,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 15:45:12,822 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:12,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:12,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1860426124, now seen corresponding path program 1 times [2024-11-13 15:45:12,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:12,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397236930] [2024-11-13 15:45:12,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:12,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:13,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:13,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:13,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:13,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:13,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 15:45:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:13,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:45:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:13,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 15:45:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:13,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:13,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397236930] [2024-11-13 15:45:13,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397236930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:13,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:13,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:45:13,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557470062] [2024-11-13 15:45:13,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:13,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:45:13,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:13,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:45:13,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:45:13,959 INFO L87 Difference]: Start difference. First operand 1776 states and 2586 transitions. Second operand has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:14,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:14,062 INFO L93 Difference]: Finished difference Result 3024 states and 4414 transitions. [2024-11-13 15:45:14,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:45:14,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 346 [2024-11-13 15:45:14,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:14,068 INFO L225 Difference]: With dead ends: 3024 [2024-11-13 15:45:14,068 INFO L226 Difference]: Without dead ends: 1764 [2024-11-13 15:45:14,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:14,071 INFO L432 NwaCegarLoop]: 1315 mSDtfsCounter, 1214 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 2639 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:14,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 2639 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:45:14,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2024-11-13 15:45:14,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1764. [2024-11-13 15:45:14,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1764 states, 1730 states have (on average 1.4473988439306358) internal successors, (2504), 1730 states have internal predecessors, (2504), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2568 transitions. [2024-11-13 15:45:14,110 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2568 transitions. Word has length 346 [2024-11-13 15:45:14,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:14,110 INFO L471 AbstractCegarLoop]: Abstraction has 1764 states and 2568 transitions. [2024-11-13 15:45:14,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2568 transitions. [2024-11-13 15:45:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2024-11-13 15:45:14,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:14,115 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:14,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 15:45:14,115 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:14,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:14,116 INFO L85 PathProgramCache]: Analyzing trace with hash 353267216, now seen corresponding path program 1 times [2024-11-13 15:45:14,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:14,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634857407] [2024-11-13 15:45:14,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:14,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:15,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:15,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:16,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 15:45:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:16,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:45:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:16,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 15:45:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:16,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:16,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634857407] [2024-11-13 15:45:16,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634857407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:16,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:16,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:16,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106258598] [2024-11-13 15:45:16,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:16,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:45:16,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:16,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:45:16,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:16,015 INFO L87 Difference]: Start difference. First operand 1764 states and 2568 transitions. Second operand has 5 states, 5 states have (on average 62.8) internal successors, (314), 5 states have internal predecessors, (314), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:45:16,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:16,805 INFO L93 Difference]: Finished difference Result 2908 states and 4240 transitions. [2024-11-13 15:45:16,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:45:16,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 62.8) internal successors, (314), 5 states have internal predecessors, (314), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 346 [2024-11-13 15:45:16,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:16,809 INFO L225 Difference]: With dead ends: 2908 [2024-11-13 15:45:16,809 INFO L226 Difference]: Without dead ends: 1772 [2024-11-13 15:45:16,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:16,811 INFO L432 NwaCegarLoop]: 1037 mSDtfsCounter, 1097 mSDsluCounter, 2063 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 3100 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:16,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 3100 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:45:16,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1772 states. [2024-11-13 15:45:16,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1772 to 1770. [2024-11-13 15:45:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1770 states, 1736 states have (on average 1.445852534562212) internal successors, (2510), 1736 states have internal predecessors, (2510), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1770 states and 2574 transitions. [2024-11-13 15:45:16,853 INFO L78 Accepts]: Start accepts. Automaton has 1770 states and 2574 transitions. Word has length 346 [2024-11-13 15:45:16,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:16,854 INFO L471 AbstractCegarLoop]: Abstraction has 1770 states and 2574 transitions. [2024-11-13 15:45:16,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 62.8) internal successors, (314), 5 states have internal predecessors, (314), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:45:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2574 transitions. [2024-11-13 15:45:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2024-11-13 15:45:16,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:16,859 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:16,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 15:45:16,859 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:16,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:16,860 INFO L85 PathProgramCache]: Analyzing trace with hash -796238895, now seen corresponding path program 1 times [2024-11-13 15:45:16,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:16,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045374163] [2024-11-13 15:45:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:16,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:18,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:18,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:18,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:18,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:18,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 15:45:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:18,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 15:45:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:18,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 15:45:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:18,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:18,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045374163] [2024-11-13 15:45:18,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045374163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:18,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:18,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:45:18,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262106188] [2024-11-13 15:45:18,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:18,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:45:18,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:18,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:45:18,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:45:18,467 INFO L87 Difference]: Start difference. First operand 1770 states and 2574 transitions. Second operand has 7 states, 7 states have (on average 45.0) internal successors, (315), 7 states have internal predecessors, (315), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:45:19,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:19,614 INFO L93 Difference]: Finished difference Result 3016 states and 4394 transitions. [2024-11-13 15:45:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:19,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 45.0) internal successors, (315), 7 states have internal predecessors, (315), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 347 [2024-11-13 15:45:19,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:19,620 INFO L225 Difference]: With dead ends: 3016 [2024-11-13 15:45:19,620 INFO L226 Difference]: Without dead ends: 1794 [2024-11-13 15:45:19,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:45:19,624 INFO L432 NwaCegarLoop]: 1018 mSDtfsCounter, 2503 mSDsluCounter, 3039 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2508 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:19,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2508 Valid, 4057 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:45:19,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2024-11-13 15:45:19,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1782. [2024-11-13 15:45:19,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1782 states, 1748 states have (on average 1.4393592677345537) internal successors, (2516), 1748 states have internal predecessors, (2516), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:19,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1782 states and 2580 transitions. [2024-11-13 15:45:19,663 INFO L78 Accepts]: Start accepts. Automaton has 1782 states and 2580 transitions. Word has length 347 [2024-11-13 15:45:19,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:19,663 INFO L471 AbstractCegarLoop]: Abstraction has 1782 states and 2580 transitions. [2024-11-13 15:45:19,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 45.0) internal successors, (315), 7 states have internal predecessors, (315), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:45:19,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2580 transitions. [2024-11-13 15:45:19,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-13 15:45:19,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:19,685 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:19,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 15:45:19,685 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:19,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:19,686 INFO L85 PathProgramCache]: Analyzing trace with hash 349775217, now seen corresponding path program 1 times [2024-11-13 15:45:19,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:19,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620340007] [2024-11-13 15:45:19,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:19,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:20,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:20,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:20,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:20,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:20,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:20,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 15:45:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:20,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 15:45:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:20,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:20,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620340007] [2024-11-13 15:45:20,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620340007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:20,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:20,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:45:20,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374837065] [2024-11-13 15:45:20,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:20,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:45:20,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:20,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:45:20,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:45:20,920 INFO L87 Difference]: Start difference. First operand 1782 states and 2580 transitions. Second operand has 7 states, 7 states have (on average 45.142857142857146) internal successors, (316), 7 states have internal predecessors, (316), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:45:22,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:22,044 INFO L93 Difference]: Finished difference Result 2978 states and 4324 transitions. [2024-11-13 15:45:22,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:22,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 45.142857142857146) internal successors, (316), 7 states have internal predecessors, (316), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 348 [2024-11-13 15:45:22,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:22,049 INFO L225 Difference]: With dead ends: 2978 [2024-11-13 15:45:22,049 INFO L226 Difference]: Without dead ends: 1798 [2024-11-13 15:45:22,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:45:22,052 INFO L432 NwaCegarLoop]: 1017 mSDtfsCounter, 2485 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2489 SdHoareTripleChecker+Valid, 4053 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:22,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2489 Valid, 4053 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:45:22,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2024-11-13 15:45:22,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1790. [2024-11-13 15:45:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1790 states, 1756 states have (on average 1.4350797266514805) internal successors, (2520), 1756 states have internal predecessors, (2520), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2584 transitions. [2024-11-13 15:45:22,101 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2584 transitions. Word has length 348 [2024-11-13 15:45:22,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:22,102 INFO L471 AbstractCegarLoop]: Abstraction has 1790 states and 2584 transitions. [2024-11-13 15:45:22,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 45.142857142857146) internal successors, (316), 7 states have internal predecessors, (316), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 15:45:22,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2584 transitions. [2024-11-13 15:45:22,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-13 15:45:22,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:22,106 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:22,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 15:45:22,107 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:22,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:22,107 INFO L85 PathProgramCache]: Analyzing trace with hash -310081772, now seen corresponding path program 1 times [2024-11-13 15:45:22,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:22,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217087591] [2024-11-13 15:45:22,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:22,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:23,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:23,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:23,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:23,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:23,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 15:45:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:23,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 15:45:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:23,985 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:23,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:23,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217087591] [2024-11-13 15:45:23,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217087591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:23,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:23,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:45:23,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910903718] [2024-11-13 15:45:23,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:23,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:45:23,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:23,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:45:23,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:23,989 INFO L87 Difference]: Start difference. First operand 1790 states and 2584 transitions. Second operand has 6 states, 6 states have (on average 52.833333333333336) internal successors, (317), 6 states have internal predecessors, (317), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:25,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:25,041 INFO L93 Difference]: Finished difference Result 2974 states and 4306 transitions. [2024-11-13 15:45:25,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:25,041 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 52.833333333333336) internal successors, (317), 6 states have internal predecessors, (317), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 349 [2024-11-13 15:45:25,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:25,047 INFO L225 Difference]: With dead ends: 2974 [2024-11-13 15:45:25,047 INFO L226 Difference]: Without dead ends: 1798 [2024-11-13 15:45:25,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:45:25,050 INFO L432 NwaCegarLoop]: 1017 mSDtfsCounter, 1203 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1205 SdHoareTripleChecker+Valid, 4053 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:25,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1205 Valid, 4053 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:45:25,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2024-11-13 15:45:25,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1794. [2024-11-13 15:45:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1760 states have (on average 1.434090909090909) internal successors, (2524), 1760 states have internal predecessors, (2524), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-13 15:45:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2588 transitions. [2024-11-13 15:45:25,089 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2588 transitions. Word has length 349 [2024-11-13 15:45:25,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:25,089 INFO L471 AbstractCegarLoop]: Abstraction has 1794 states and 2588 transitions. [2024-11-13 15:45:25,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.833333333333336) internal successors, (317), 6 states have internal predecessors, (317), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 15:45:25,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2588 transitions. [2024-11-13 15:45:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-13 15:45:25,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:25,094 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:25,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 15:45:25,094 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:25,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:25,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1548055854, now seen corresponding path program 1 times [2024-11-13 15:45:25,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:25,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349252411] [2024-11-13 15:45:25,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:25,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:27,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:27,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:27,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:27,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:27,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:27,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:45:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:27,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:45:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 15:45:27,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:27,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349252411] [2024-11-13 15:45:27,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349252411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:27,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:27,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:45:27,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238867195] [2024-11-13 15:45:27,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:27,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:45:27,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:27,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:45:27,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:45:27,696 INFO L87 Difference]: Start difference. First operand 1794 states and 2588 transitions. Second operand has 7 states, 7 states have (on average 45.42857142857143) internal successors, (318), 7 states have internal predecessors, (318), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:45:28,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:28,017 INFO L93 Difference]: Finished difference Result 3763 states and 5441 transitions. [2024-11-13 15:45:28,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:28,017 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 45.42857142857143) internal successors, (318), 7 states have internal predecessors, (318), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 350 [2024-11-13 15:45:28,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:28,024 INFO L225 Difference]: With dead ends: 3763 [2024-11-13 15:45:28,025 INFO L226 Difference]: Without dead ends: 2611 [2024-11-13 15:45:28,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:45:28,028 INFO L432 NwaCegarLoop]: 1311 mSDtfsCounter, 2781 mSDsluCounter, 5232 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 6543 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:28,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 6543 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:45:28,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2024-11-13 15:45:28,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2024-11-13 15:45:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2565 states have (on average 1.4339181286549707) internal successors, (3678), 2565 states have internal predecessors, (3678), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:45:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3766 transitions. [2024-11-13 15:45:28,087 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3766 transitions. Word has length 350 [2024-11-13 15:45:28,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:28,087 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3766 transitions. [2024-11-13 15:45:28,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 45.42857142857143) internal successors, (318), 7 states have internal predecessors, (318), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:45:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3766 transitions. [2024-11-13 15:45:28,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2024-11-13 15:45:28,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:28,097 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:28,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 15:45:28,098 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:28,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:28,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1786637339, now seen corresponding path program 1 times [2024-11-13 15:45:28,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:28,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847470025] [2024-11-13 15:45:28,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:28,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:45:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:45:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2024-11-13 15:45:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-13 15:45:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2024-11-13 15:45:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2024-11-13 15:45:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2024-11-13 15:45:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2024-11-13 15:45:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-11-13 15:45:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:31,918 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:45:31,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:31,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847470025] [2024-11-13 15:45:31,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847470025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:31,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:31,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:31,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851357707] [2024-11-13 15:45:31,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:31,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:45:31,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:31,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:45:31,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:31,922 INFO L87 Difference]: Start difference. First operand 2611 states and 3766 transitions. Second operand has 5 states, 5 states have (on average 145.4) internal successors, (727), 5 states have internal predecessors, (727), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:32,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:32,127 INFO L93 Difference]: Finished difference Result 3763 states and 5440 transitions. [2024-11-13 15:45:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:45:32,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 145.4) internal successors, (727), 5 states have internal predecessors, (727), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 794 [2024-11-13 15:45:32,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:32,135 INFO L225 Difference]: With dead ends: 3763 [2024-11-13 15:45:32,136 INFO L226 Difference]: Without dead ends: 2611 [2024-11-13 15:45:32,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:32,138 INFO L432 NwaCegarLoop]: 1283 mSDtfsCounter, 2098 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:32,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 2568 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:45:32,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2024-11-13 15:45:32,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2024-11-13 15:45:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2565 states have (on average 1.4335282651072125) internal successors, (3677), 2565 states have internal predecessors, (3677), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:45:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3765 transitions. [2024-11-13 15:45:32,201 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3765 transitions. Word has length 794 [2024-11-13 15:45:32,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:32,202 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3765 transitions. [2024-11-13 15:45:32,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 145.4) internal successors, (727), 5 states have internal predecessors, (727), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3765 transitions. [2024-11-13 15:45:32,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2024-11-13 15:45:32,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:32,212 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:32,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 15:45:32,213 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:32,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:32,213 INFO L85 PathProgramCache]: Analyzing trace with hash 178348620, now seen corresponding path program 1 times [2024-11-13 15:45:32,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:32,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313356831] [2024-11-13 15:45:32,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:32,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:45:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:45:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2024-11-13 15:45:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2024-11-13 15:45:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2024-11-13 15:45:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2024-11-13 15:45:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2024-11-13 15:45:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 15:45:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2024-11-13 15:45:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:45:34,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:34,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313356831] [2024-11-13 15:45:34,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313356831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:34,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:34,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:34,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059441641] [2024-11-13 15:45:34,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:34,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:45:34,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:34,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:45:34,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:34,893 INFO L87 Difference]: Start difference. First operand 2611 states and 3765 transitions. Second operand has 5 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:35,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:35,106 INFO L93 Difference]: Finished difference Result 3763 states and 5438 transitions. [2024-11-13 15:45:35,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:45:35,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 795 [2024-11-13 15:45:35,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:35,115 INFO L225 Difference]: With dead ends: 3763 [2024-11-13 15:45:35,119 INFO L226 Difference]: Without dead ends: 2611 [2024-11-13 15:45:35,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:35,122 INFO L432 NwaCegarLoop]: 1283 mSDtfsCounter, 2082 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2089 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:35,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2089 Valid, 2568 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:45:35,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2024-11-13 15:45:35,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2024-11-13 15:45:35,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2565 states have (on average 1.4331384015594542) internal successors, (3676), 2565 states have internal predecessors, (3676), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:45:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3764 transitions. [2024-11-13 15:45:35,185 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3764 transitions. Word has length 795 [2024-11-13 15:45:35,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:35,185 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3764 transitions. [2024-11-13 15:45:35,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:35,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3764 transitions. [2024-11-13 15:45:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2024-11-13 15:45:35,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:35,198 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:35,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 15:45:35,198 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:35,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:35,199 INFO L85 PathProgramCache]: Analyzing trace with hash -330854480, now seen corresponding path program 1 times [2024-11-13 15:45:35,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:35,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384304482] [2024-11-13 15:45:35,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:35,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:45:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:45:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2024-11-13 15:45:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2024-11-13 15:45:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2024-11-13 15:45:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2024-11-13 15:45:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-11-13 15:45:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2024-11-13 15:45:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2024-11-13 15:45:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:45:37,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:37,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384304482] [2024-11-13 15:45:37,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384304482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:37,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:37,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:37,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980097437] [2024-11-13 15:45:37,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:37,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:45:37,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:37,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:45:37,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:37,071 INFO L87 Difference]: Start difference. First operand 2611 states and 3764 transitions. Second operand has 5 states, 5 states have (on average 145.8) internal successors, (729), 5 states have internal predecessors, (729), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:45:37,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:37,734 INFO L93 Difference]: Finished difference Result 3763 states and 5436 transitions. [2024-11-13 15:45:37,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:45:37,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 145.8) internal successors, (729), 5 states have internal predecessors, (729), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 796 [2024-11-13 15:45:37,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:37,742 INFO L225 Difference]: With dead ends: 3763 [2024-11-13 15:45:37,742 INFO L226 Difference]: Without dead ends: 2611 [2024-11-13 15:45:37,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:37,745 INFO L432 NwaCegarLoop]: 1020 mSDtfsCounter, 1036 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1038 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:37,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1038 Valid, 2053 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:45:37,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2024-11-13 15:45:37,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2024-11-13 15:45:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2565 states have (on average 1.432748538011696) internal successors, (3675), 2565 states have internal predecessors, (3675), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:45:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3763 transitions. [2024-11-13 15:45:37,802 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3763 transitions. Word has length 796 [2024-11-13 15:45:37,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:37,803 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3763 transitions. [2024-11-13 15:45:37,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 145.8) internal successors, (729), 5 states have internal predecessors, (729), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:45:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3763 transitions. [2024-11-13 15:45:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 798 [2024-11-13 15:45:37,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:37,813 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:37,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 15:45:37,813 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:37,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:37,814 INFO L85 PathProgramCache]: Analyzing trace with hash -255915529, now seen corresponding path program 1 times [2024-11-13 15:45:37,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:37,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256747562] [2024-11-13 15:45:37,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:37,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:45:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:45:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-11-13 15:45:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2024-11-13 15:45:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-11-13 15:45:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 15:45:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-13 15:45:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-11-13 15:45:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2024-11-13 15:45:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:39,670 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:45:39,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:39,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256747562] [2024-11-13 15:45:39,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256747562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:39,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:39,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:39,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893455566] [2024-11-13 15:45:39,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:39,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:45:39,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:39,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:45:39,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:39,674 INFO L87 Difference]: Start difference. First operand 2611 states and 3763 transitions. Second operand has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:39,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:39,882 INFO L93 Difference]: Finished difference Result 3763 states and 5434 transitions. [2024-11-13 15:45:39,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:45:39,883 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 797 [2024-11-13 15:45:39,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:39,891 INFO L225 Difference]: With dead ends: 3763 [2024-11-13 15:45:39,891 INFO L226 Difference]: Without dead ends: 2611 [2024-11-13 15:45:39,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:39,894 INFO L432 NwaCegarLoop]: 1282 mSDtfsCounter, 1069 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 2577 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:39,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1076 Valid, 2577 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:45:39,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2024-11-13 15:45:39,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2024-11-13 15:45:39,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2565 states have (on average 1.4323586744639376) internal successors, (3674), 2565 states have internal predecessors, (3674), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:45:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3762 transitions. [2024-11-13 15:45:39,953 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3762 transitions. Word has length 797 [2024-11-13 15:45:39,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:39,955 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3762 transitions. [2024-11-13 15:45:39,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.0) internal successors, (730), 5 states have internal predecessors, (730), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3762 transitions. [2024-11-13 15:45:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 799 [2024-11-13 15:45:39,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:39,965 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:39,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 15:45:39,966 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:39,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:39,966 INFO L85 PathProgramCache]: Analyzing trace with hash 177764484, now seen corresponding path program 1 times [2024-11-13 15:45:39,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:39,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25730472] [2024-11-13 15:45:39,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:39,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:45:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:45:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2024-11-13 15:45:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-13 15:45:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 15:45:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2024-11-13 15:45:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-13 15:45:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-11-13 15:45:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2024-11-13 15:45:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:42,154 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:45:42,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:42,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25730472] [2024-11-13 15:45:42,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25730472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:42,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:42,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:42,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851946630] [2024-11-13 15:45:42,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:42,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:45:42,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:42,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:45:42,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:42,159 INFO L87 Difference]: Start difference. First operand 2611 states and 3762 transitions. Second operand has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:42,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:42,362 INFO L93 Difference]: Finished difference Result 3763 states and 5432 transitions. [2024-11-13 15:45:42,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:45:42,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 798 [2024-11-13 15:45:42,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:42,368 INFO L225 Difference]: With dead ends: 3763 [2024-11-13 15:45:42,368 INFO L226 Difference]: Without dead ends: 2611 [2024-11-13 15:45:42,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:42,373 INFO L432 NwaCegarLoop]: 1282 mSDtfsCounter, 1061 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1068 SdHoareTripleChecker+Valid, 2577 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:42,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1068 Valid, 2577 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:45:42,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2024-11-13 15:45:42,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2024-11-13 15:45:42,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2565 states have (on average 1.4319688109161794) internal successors, (3673), 2565 states have internal predecessors, (3673), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:45:42,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3761 transitions. [2024-11-13 15:45:42,429 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3761 transitions. Word has length 798 [2024-11-13 15:45:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:42,430 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3761 transitions. [2024-11-13 15:45:42,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3761 transitions. [2024-11-13 15:45:42,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2024-11-13 15:45:42,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:42,440 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:42,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 15:45:42,441 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:42,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:42,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1659066882, now seen corresponding path program 1 times [2024-11-13 15:45:42,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:42,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938209330] [2024-11-13 15:45:42,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:42,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:45:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:45:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2024-11-13 15:45:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 15:45:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2024-11-13 15:45:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-11-13 15:45:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2024-11-13 15:45:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2024-11-13 15:45:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2024-11-13 15:45:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:45:44,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:44,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938209330] [2024-11-13 15:45:44,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938209330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:44,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:44,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:45:44,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320880398] [2024-11-13 15:45:44,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:44,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:45:44,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:44,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:45:44,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:44,043 INFO L87 Difference]: Start difference. First operand 2611 states and 3761 transitions. Second operand has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:45:44,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:44,676 INFO L93 Difference]: Finished difference Result 3763 states and 5430 transitions. [2024-11-13 15:45:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:45:44,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 799 [2024-11-13 15:45:44,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:44,680 INFO L225 Difference]: With dead ends: 3763 [2024-11-13 15:45:44,680 INFO L226 Difference]: Without dead ends: 2611 [2024-11-13 15:45:44,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:45:44,682 INFO L432 NwaCegarLoop]: 1018 mSDtfsCounter, 1875 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 2038 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:44,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 2038 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:45:44,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2024-11-13 15:45:44,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2024-11-13 15:45:44,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2565 states have (on average 1.431578947368421) internal successors, (3672), 2565 states have internal predecessors, (3672), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:45:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3760 transitions. [2024-11-13 15:45:44,725 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3760 transitions. Word has length 799 [2024-11-13 15:45:44,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:44,725 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3760 transitions. [2024-11-13 15:45:44,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:45:44,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3760 transitions. [2024-11-13 15:45:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2024-11-13 15:45:44,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:44,735 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:44,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 15:45:44,736 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:44,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:44,736 INFO L85 PathProgramCache]: Analyzing trace with hash -342289681, now seen corresponding path program 1 times [2024-11-13 15:45:44,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:44,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609599432] [2024-11-13 15:45:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:44,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:45:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:45:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2024-11-13 15:45:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-11-13 15:45:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2024-11-13 15:45:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2024-11-13 15:45:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2024-11-13 15:45:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-11-13 15:45:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2024-11-13 15:45:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:45:48,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:48,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609599432] [2024-11-13 15:45:48,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609599432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:48,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:48,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:45:48,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568010234] [2024-11-13 15:45:48,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:48,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:45:48,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:48,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:45:48,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:45:48,787 INFO L87 Difference]: Start difference. First operand 2611 states and 3760 transitions. Second operand has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:48,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:48,927 INFO L93 Difference]: Finished difference Result 3763 states and 5428 transitions. [2024-11-13 15:45:48,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:45:48,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 800 [2024-11-13 15:45:48,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:48,932 INFO L225 Difference]: With dead ends: 3763 [2024-11-13 15:45:48,932 INFO L226 Difference]: Without dead ends: 2611 [2024-11-13 15:45:48,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:48,934 INFO L432 NwaCegarLoop]: 1281 mSDtfsCounter, 959 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 2564 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:48,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 2564 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:45:48,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2024-11-13 15:45:48,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2024-11-13 15:45:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2565 states have (on average 1.4311890838206627) internal successors, (3671), 2565 states have internal predecessors, (3671), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:45:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3759 transitions. [2024-11-13 15:45:48,992 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3759 transitions. Word has length 800 [2024-11-13 15:45:48,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:48,993 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3759 transitions. [2024-11-13 15:45:48,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 183.25) internal successors, (733), 4 states have internal predecessors, (733), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3759 transitions. [2024-11-13 15:45:49,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 802 [2024-11-13 15:45:49,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:49,004 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:49,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 15:45:49,004 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:49,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:49,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1016149736, now seen corresponding path program 1 times [2024-11-13 15:45:49,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:49,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101137321] [2024-11-13 15:45:49,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:49,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:45:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:45:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:45:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:45:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:45:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:45:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:45:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2024-11-13 15:45:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-11-13 15:45:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2024-11-13 15:45:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2024-11-13 15:45:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2024-11-13 15:45:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 15:45:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2024-11-13 15:45:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:45:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:45:53,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:45:53,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101137321] [2024-11-13 15:45:53,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101137321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:45:53,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:45:53,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:45:53,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611739257] [2024-11-13 15:45:53,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:45:53,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:45:53,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:45:53,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:45:53,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:45:53,491 INFO L87 Difference]: Start difference. First operand 2611 states and 3759 transitions. Second operand has 4 states, 4 states have (on average 183.5) internal successors, (734), 4 states have internal predecessors, (734), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:53,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:53,634 INFO L93 Difference]: Finished difference Result 3763 states and 5426 transitions. [2024-11-13 15:45:53,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:45:53,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 183.5) internal successors, (734), 4 states have internal predecessors, (734), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 801 [2024-11-13 15:45:53,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:53,638 INFO L225 Difference]: With dead ends: 3763 [2024-11-13 15:45:53,639 INFO L226 Difference]: Without dead ends: 2611 [2024-11-13 15:45:53,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:45:53,641 INFO L432 NwaCegarLoop]: 1281 mSDtfsCounter, 902 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 902 SdHoareTripleChecker+Valid, 2564 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:53,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [902 Valid, 2564 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:45:53,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2024-11-13 15:45:53,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2611. [2024-11-13 15:45:53,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2611 states, 2565 states have (on average 1.4307992202729045) internal successors, (3670), 2565 states have internal predecessors, (3670), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:45:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 3758 transitions. [2024-11-13 15:45:53,695 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 3758 transitions. Word has length 801 [2024-11-13 15:45:53,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:53,696 INFO L471 AbstractCegarLoop]: Abstraction has 2611 states and 3758 transitions. [2024-11-13 15:45:53,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 183.5) internal successors, (734), 4 states have internal predecessors, (734), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:45:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3758 transitions. [2024-11-13 15:45:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 803 [2024-11-13 15:45:53,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:45:53,706 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:45:53,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 15:45:53,707 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:45:53,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:45:53,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1993157161, now seen corresponding path program 1 times [2024-11-13 15:45:53,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:45:53,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702350502] [2024-11-13 15:45:53,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:45:53,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:45:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 15:46:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 15:46:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 15:46:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 15:46:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 15:46:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:46:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 15:46:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2024-11-13 15:46:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-11-13 15:46:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2024-11-13 15:46:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-11-13 15:46:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2024-11-13 15:46:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-13 15:46:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2024-11-13 15:46:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-13 15:46:00,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:00,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702350502] [2024-11-13 15:46:00,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702350502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:00,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:00,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:46:00,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520666548] [2024-11-13 15:46:00,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:00,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:46:00,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:00,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:46:00,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:00,156 INFO L87 Difference]: Start difference. First operand 2611 states and 3758 transitions. Second operand has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 15:46:00,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:00,762 INFO L93 Difference]: Finished difference Result 5083 states and 7305 transitions. [2024-11-13 15:46:00,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:46:00,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 802 [2024-11-13 15:46:00,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:00,767 INFO L225 Difference]: With dead ends: 5083 [2024-11-13 15:46:00,767 INFO L226 Difference]: Without dead ends: 2631 [2024-11-13 15:46:00,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:46:00,771 INFO L432 NwaCegarLoop]: 1296 mSDtfsCounter, 1276 mSDsluCounter, 4903 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 6199 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:00,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1283 Valid, 6199 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:46:00,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2024-11-13 15:46:00,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2621. [2024-11-13 15:46:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2621 states, 2575 states have (on average 1.4271844660194175) internal successors, (3675), 2575 states have internal predecessors, (3675), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 15:46:00,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 3763 transitions. [2024-11-13 15:46:00,830 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 3763 transitions. Word has length 802 [2024-11-13 15:46:00,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:00,830 INFO L471 AbstractCegarLoop]: Abstraction has 2621 states and 3763 transitions. [2024-11-13 15:46:00,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 15:46:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3763 transitions. [2024-11-13 15:46:00,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2024-11-13 15:46:00,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:00,840 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:00,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 15:46:00,841 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:46:00,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:00,842 INFO L85 PathProgramCache]: Analyzing trace with hash 357902471, now seen corresponding path program 1 times [2024-11-13 15:46:00,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:00,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194991875] [2024-11-13 15:46:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 15:46:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 15:46:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:46:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 15:46:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:46:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:46:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:46:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-11-13 15:46:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 15:46:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-11-13 15:46:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2024-11-13 15:46:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-13 15:46:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-11-13 15:46:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2024-11-13 15:46:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 533 trivial. 0 not checked. [2024-11-13 15:46:09,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:09,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194991875] [2024-11-13 15:46:09,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194991875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:09,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:09,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 15:46:09,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741578270] [2024-11-13 15:46:09,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:09,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 15:46:09,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:09,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 15:46:09,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:46:09,478 INFO L87 Difference]: Start difference. First operand 2621 states and 3763 transitions. Second operand has 10 states, 10 states have (on average 57.1) internal successors, (571), 10 states have internal predecessors, (571), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:46:12,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:12,973 INFO L93 Difference]: Finished difference Result 6077 states and 8752 transitions. [2024-11-13 15:46:12,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 15:46:12,973 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 57.1) internal successors, (571), 10 states have internal predecessors, (571), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 804 [2024-11-13 15:46:12,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:12,978 INFO L225 Difference]: With dead ends: 6077 [2024-11-13 15:46:12,978 INFO L226 Difference]: Without dead ends: 4614 [2024-11-13 15:46:12,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-13 15:46:12,980 INFO L432 NwaCegarLoop]: 1719 mSDtfsCounter, 2321 mSDsluCounter, 9449 mSDsCounter, 0 mSdLazyCounter, 3753 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 11168 SdHoareTripleChecker+Invalid, 3761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 3753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:12,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 11168 Invalid, 3761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 3753 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-13 15:46:12,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4614 states. [2024-11-13 15:46:13,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4614 to 2912. [2024-11-13 15:46:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2912 states, 2852 states have (on average 1.4214586255259467) internal successors, (4054), 2852 states have internal predecessors, (4054), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-13 15:46:13,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 4170 transitions. [2024-11-13 15:46:13,034 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 4170 transitions. Word has length 804 [2024-11-13 15:46:13,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:13,034 INFO L471 AbstractCegarLoop]: Abstraction has 2912 states and 4170 transitions. [2024-11-13 15:46:13,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 57.1) internal successors, (571), 10 states have internal predecessors, (571), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:46:13,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 4170 transitions. [2024-11-13 15:46:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2024-11-13 15:46:13,041 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:13,041 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:13,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-13 15:46:13,042 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:46:13,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:13,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1229180842, now seen corresponding path program 1 times [2024-11-13 15:46:13,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:13,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84843527] [2024-11-13 15:46:13,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:13,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:46:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 15:46:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:46:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 15:46:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:46:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:46:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:46:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-11-13 15:46:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 15:46:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-11-13 15:46:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2024-11-13 15:46:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-13 15:46:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-11-13 15:46:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2024-11-13 15:46:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-11-13 15:46:18,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:18,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84843527] [2024-11-13 15:46:18,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84843527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:18,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:18,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:46:18,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180407658] [2024-11-13 15:46:18,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:18,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:46:18,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:18,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:46:18,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:46:18,095 INFO L87 Difference]: Start difference. First operand 2912 states and 4170 transitions. Second operand has 4 states, 4 states have (on average 130.75) internal successors, (523), 4 states have internal predecessors, (523), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 15:46:18,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:18,188 INFO L93 Difference]: Finished difference Result 5307 states and 7601 transitions. [2024-11-13 15:46:18,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:46:18,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.75) internal successors, (523), 4 states have internal predecessors, (523), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 804 [2024-11-13 15:46:18,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:18,193 INFO L225 Difference]: With dead ends: 5307 [2024-11-13 15:46:18,194 INFO L226 Difference]: Without dead ends: 2890 [2024-11-13 15:46:18,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:46:18,196 INFO L432 NwaCegarLoop]: 1303 mSDtfsCounter, 1214 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1219 SdHoareTripleChecker+Valid, 2615 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:18,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1219 Valid, 2615 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:46:18,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2890 states. [2024-11-13 15:46:18,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2890 to 2890. [2024-11-13 15:46:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2890 states, 2830 states have (on average 1.4208480565371024) internal successors, (4021), 2830 states have internal predecessors, (4021), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-13 15:46:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2890 states and 4137 transitions. [2024-11-13 15:46:18,245 INFO L78 Accepts]: Start accepts. Automaton has 2890 states and 4137 transitions. Word has length 804 [2024-11-13 15:46:18,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:18,245 INFO L471 AbstractCegarLoop]: Abstraction has 2890 states and 4137 transitions. [2024-11-13 15:46:18,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.75) internal successors, (523), 4 states have internal predecessors, (523), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 15:46:18,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2890 states and 4137 transitions. [2024-11-13 15:46:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 805 [2024-11-13 15:46:18,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:18,256 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:18,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 15:46:18,256 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:46:18,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:18,257 INFO L85 PathProgramCache]: Analyzing trace with hash -899417826, now seen corresponding path program 1 times [2024-11-13 15:46:18,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:18,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625092072] [2024-11-13 15:46:18,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:18,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:46:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 15:46:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 15:46:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 15:46:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 15:46:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 15:46:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 15:46:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2024-11-13 15:46:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 15:46:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-11-13 15:46:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2024-11-13 15:46:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-13 15:46:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-11-13 15:46:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2024-11-13 15:46:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2024-11-13 15:46:24,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:24,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625092072] [2024-11-13 15:46:24,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625092072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:24,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:24,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:46:24,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557761232] [2024-11-13 15:46:24,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:24,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:46:24,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:24,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:46:24,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:24,322 INFO L87 Difference]: Start difference. First operand 2890 states and 4137 transitions. Second operand has 7 states, 7 states have (on average 72.85714285714286) internal successors, (510), 7 states have internal predecessors, (510), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 15:46:25,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:25,350 INFO L93 Difference]: Finished difference Result 5471 states and 7821 transitions. [2024-11-13 15:46:25,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:46:25,351 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 72.85714285714286) internal successors, (510), 7 states have internal predecessors, (510), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 804 [2024-11-13 15:46:25,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:25,354 INFO L225 Difference]: With dead ends: 5471 [2024-11-13 15:46:25,354 INFO L226 Difference]: Without dead ends: 2910 [2024-11-13 15:46:25,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:46:25,357 INFO L432 NwaCegarLoop]: 1008 mSDtfsCounter, 1303 mSDsluCounter, 3020 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 4028 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:25,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 4028 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:46:25,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2910 states. [2024-11-13 15:46:25,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2910 to 2900. [2024-11-13 15:46:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2900 states, 2840 states have (on average 1.417605633802817) internal successors, (4026), 2840 states have internal predecessors, (4026), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-13 15:46:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2900 states and 4142 transitions. [2024-11-13 15:46:25,405 INFO L78 Accepts]: Start accepts. Automaton has 2900 states and 4142 transitions. Word has length 804 [2024-11-13 15:46:25,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:25,406 INFO L471 AbstractCegarLoop]: Abstraction has 2900 states and 4142 transitions. [2024-11-13 15:46:25,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 72.85714285714286) internal successors, (510), 7 states have internal predecessors, (510), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 15:46:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 4142 transitions. [2024-11-13 15:46:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2024-11-13 15:46:25,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:25,413 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:25,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 15:46:25,413 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:46:25,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:25,414 INFO L85 PathProgramCache]: Analyzing trace with hash 827315558, now seen corresponding path program 1 times [2024-11-13 15:46:25,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:25,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088288040] [2024-11-13 15:46:25,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:25,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:46:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:46:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:46:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 15:46:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 15:46:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-13 15:46:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 15:46:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2024-11-13 15:46:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2024-11-13 15:46:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2024-11-13 15:46:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2024-11-13 15:46:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2024-11-13 15:46:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-11-13 15:46:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2024-11-13 15:46:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:46:31,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:31,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088288040] [2024-11-13 15:46:31,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088288040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:31,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:31,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:46:31,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790093358] [2024-11-13 15:46:31,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:31,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:46:31,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:31,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:46:31,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:46:31,574 INFO L87 Difference]: Start difference. First operand 2900 states and 4142 transitions. Second operand has 6 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:46:32,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:32,470 INFO L93 Difference]: Finished difference Result 6204 states and 8858 transitions. [2024-11-13 15:46:32,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:46:32,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 806 [2024-11-13 15:46:32,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:32,478 INFO L225 Difference]: With dead ends: 6204 [2024-11-13 15:46:32,478 INFO L226 Difference]: Without dead ends: 4950 [2024-11-13 15:46:32,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:46:32,481 INFO L432 NwaCegarLoop]: 1279 mSDtfsCounter, 1386 mSDsluCounter, 3830 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1388 SdHoareTripleChecker+Valid, 5109 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:32,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1388 Valid, 5109 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:46:32,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4950 states. [2024-11-13 15:46:32,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4950 to 4683. [2024-11-13 15:46:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4683 states, 4582 states have (on average 1.413356612832824) internal successors, (6476), 4582 states have internal predecessors, (6476), 99 states have call successors, (99), 1 states have call predecessors, (99), 1 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-13 15:46:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4683 states to 4683 states and 6674 transitions. [2024-11-13 15:46:32,642 INFO L78 Accepts]: Start accepts. Automaton has 4683 states and 6674 transitions. Word has length 806 [2024-11-13 15:46:32,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:32,642 INFO L471 AbstractCegarLoop]: Abstraction has 4683 states and 6674 transitions. [2024-11-13 15:46:32,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.16666666666667) internal successors, (739), 6 states have internal predecessors, (739), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:46:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 4683 states and 6674 transitions. [2024-11-13 15:46:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2024-11-13 15:46:32,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:32,658 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:32,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 15:46:32,658 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:46:32,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash -776191004, now seen corresponding path program 1 times [2024-11-13 15:46:32,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:32,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640635973] [2024-11-13 15:46:32,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:32,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:46:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:46:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:46:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:46:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:46:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:46:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 15:46:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-13 15:46:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-13 15:46:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2024-11-13 15:46:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-11-13 15:46:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2024-11-13 15:46:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2024-11-13 15:46:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2024-11-13 15:46:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 541 trivial. 0 not checked. [2024-11-13 15:46:41,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:41,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640635973] [2024-11-13 15:46:41,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640635973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:41,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:41,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:46:41,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792003086] [2024-11-13 15:46:41,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:41,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:46:41,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:41,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:46:41,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:46:41,421 INFO L87 Difference]: Start difference. First operand 4683 states and 6674 transitions. Second operand has 8 states, 8 states have (on average 70.75) internal successors, (566), 8 states have internal predecessors, (566), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:46:44,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:44,053 INFO L93 Difference]: Finished difference Result 10133 states and 14462 transitions. [2024-11-13 15:46:44,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:46:44,053 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 70.75) internal successors, (566), 8 states have internal predecessors, (566), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 807 [2024-11-13 15:46:44,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:44,061 INFO L225 Difference]: With dead ends: 10133 [2024-11-13 15:46:44,061 INFO L226 Difference]: Without dead ends: 8291 [2024-11-13 15:46:44,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:46:44,065 INFO L432 NwaCegarLoop]: 1803 mSDtfsCounter, 3354 mSDsluCounter, 8139 mSDsCounter, 0 mSdLazyCounter, 3003 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3368 SdHoareTripleChecker+Valid, 9942 SdHoareTripleChecker+Invalid, 3004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:44,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3368 Valid, 9942 Invalid, 3004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3003 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 15:46:44,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8291 states. [2024-11-13 15:46:44,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8291 to 5656. [2024-11-13 15:46:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5656 states, 5514 states have (on average 1.4047878128400435) internal successors, (7746), 5514 states have internal predecessors, (7746), 140 states have call successors, (140), 1 states have call predecessors, (140), 1 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-13 15:46:44,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5656 states to 5656 states and 8026 transitions. [2024-11-13 15:46:44,220 INFO L78 Accepts]: Start accepts. Automaton has 5656 states and 8026 transitions. Word has length 807 [2024-11-13 15:46:44,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:44,220 INFO L471 AbstractCegarLoop]: Abstraction has 5656 states and 8026 transitions. [2024-11-13 15:46:44,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 70.75) internal successors, (566), 8 states have internal predecessors, (566), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:46:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5656 states and 8026 transitions. [2024-11-13 15:46:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2024-11-13 15:46:44,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:44,228 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:44,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 15:46:44,229 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:46:44,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:44,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1384303388, now seen corresponding path program 1 times [2024-11-13 15:46:44,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:44,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344756486] [2024-11-13 15:46:44,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:44,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:46:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:46:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:46:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 15:46:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 15:46:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-13 15:46:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 15:46:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-13 15:46:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-13 15:46:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2024-11-13 15:46:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-11-13 15:46:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2024-11-13 15:46:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2024-11-13 15:46:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2024-11-13 15:46:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:46:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2024-11-13 15:46:52,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:46:52,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344756486] [2024-11-13 15:46:52,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344756486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:46:52,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:46:52,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:46:52,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512592565] [2024-11-13 15:46:52,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:46:52,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:46:52,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:46:52,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:46:52,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:46:52,718 INFO L87 Difference]: Start difference. First operand 5656 states and 8026 transitions. Second operand has 8 states, 8 states have (on average 69.125) internal successors, (553), 8 states have internal predecessors, (553), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-13 15:46:53,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:46:53,201 INFO L93 Difference]: Finished difference Result 10043 states and 14341 transitions. [2024-11-13 15:46:53,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:46:53,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 69.125) internal successors, (553), 8 states have internal predecessors, (553), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 807 [2024-11-13 15:46:53,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:46:53,209 INFO L225 Difference]: With dead ends: 10043 [2024-11-13 15:46:53,209 INFO L226 Difference]: Without dead ends: 7762 [2024-11-13 15:46:53,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:46:53,213 INFO L432 NwaCegarLoop]: 2253 mSDtfsCounter, 2228 mSDsluCounter, 10225 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2235 SdHoareTripleChecker+Valid, 12478 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:46:53,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2235 Valid, 12478 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 15:46:53,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7762 states. [2024-11-13 15:46:53,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7762 to 6049. [2024-11-13 15:46:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6049 states, 5886 states have (on average 1.3994223581379546) internal successors, (8237), 5886 states have internal predecessors, (8237), 161 states have call successors, (161), 1 states have call predecessors, (161), 1 states have return successors, (161), 161 states have call predecessors, (161), 161 states have call successors, (161) [2024-11-13 15:46:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6049 states to 6049 states and 8559 transitions. [2024-11-13 15:46:53,401 INFO L78 Accepts]: Start accepts. Automaton has 6049 states and 8559 transitions. Word has length 807 [2024-11-13 15:46:53,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:46:53,402 INFO L471 AbstractCegarLoop]: Abstraction has 6049 states and 8559 transitions. [2024-11-13 15:46:53,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 69.125) internal successors, (553), 8 states have internal predecessors, (553), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-13 15:46:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6049 states and 8559 transitions. [2024-11-13 15:46:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2024-11-13 15:46:53,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:46:53,416 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:46:53,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 15:46:53,417 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:46:53,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:46:53,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2058976860, now seen corresponding path program 1 times [2024-11-13 15:46:53,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:46:53,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734366501] [2024-11-13 15:46:53,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:46:53,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:46:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:47:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 15:47:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:47:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 15:47:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 15:47:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-13 15:47:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 15:47:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2024-11-13 15:47:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-13 15:47:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2024-11-13 15:47:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2024-11-13 15:47:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2024-11-13 15:47:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2024-11-13 15:47:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2024-11-13 15:47:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:47:01,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:01,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734366501] [2024-11-13 15:47:01,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734366501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:01,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:01,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:47:01,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438853171] [2024-11-13 15:47:01,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:01,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:47:01,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:01,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:47:01,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:47:01,543 INFO L87 Difference]: Start difference. First operand 6049 states and 8559 transitions. Second operand has 6 states, 6 states have (on average 123.33333333333333) internal successors, (740), 6 states have internal predecessors, (740), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:47:02,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:02,707 INFO L93 Difference]: Finished difference Result 7387 states and 10481 transitions. [2024-11-13 15:47:02,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:47:02,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 123.33333333333333) internal successors, (740), 6 states have internal predecessors, (740), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 807 [2024-11-13 15:47:02,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:02,715 INFO L225 Difference]: With dead ends: 7387 [2024-11-13 15:47:02,716 INFO L226 Difference]: Without dead ends: 6076 [2024-11-13 15:47:02,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:47:02,720 INFO L432 NwaCegarLoop]: 1118 mSDtfsCounter, 1933 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 4339 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:02,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 4339 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:47:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6076 states. [2024-11-13 15:47:02,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6076 to 6050. [2024-11-13 15:47:02,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6050 states, 5887 states have (on average 1.3993545099371496) internal successors, (8238), 5887 states have internal predecessors, (8238), 161 states have call successors, (161), 1 states have call predecessors, (161), 1 states have return successors, (161), 161 states have call predecessors, (161), 161 states have call successors, (161) [2024-11-13 15:47:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6050 states to 6050 states and 8560 transitions. [2024-11-13 15:47:02,830 INFO L78 Accepts]: Start accepts. Automaton has 6050 states and 8560 transitions. Word has length 807 [2024-11-13 15:47:02,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:02,831 INFO L471 AbstractCegarLoop]: Abstraction has 6050 states and 8560 transitions. [2024-11-13 15:47:02,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 123.33333333333333) internal successors, (740), 6 states have internal predecessors, (740), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:47:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 6050 states and 8560 transitions. [2024-11-13 15:47:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 809 [2024-11-13 15:47:02,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:02,839 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:02,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 15:47:02,840 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:02,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:02,840 INFO L85 PathProgramCache]: Analyzing trace with hash -75568533, now seen corresponding path program 1 times [2024-11-13 15:47:02,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:02,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443758679] [2024-11-13 15:47:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:02,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:47:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:10,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:47:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:47:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:10,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:47:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:47:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:10,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:47:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:10,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 15:47:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:10,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-11-13 15:47:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:11,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-13 15:47:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:11,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2024-11-13 15:47:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:11,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-13 15:47:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:11,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2024-11-13 15:47:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:11,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2024-11-13 15:47:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:11,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2024-11-13 15:47:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2024-11-13 15:47:11,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:11,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443758679] [2024-11-13 15:47:11,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443758679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:11,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:11,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:47:11,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449216384] [2024-11-13 15:47:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:11,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:47:11,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:11,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:47:11,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:47:11,008 INFO L87 Difference]: Start difference. First operand 6050 states and 8560 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:47:11,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:11,113 INFO L93 Difference]: Finished difference Result 9152 states and 13043 transitions. [2024-11-13 15:47:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:47:11,113 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 808 [2024-11-13 15:47:11,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:11,120 INFO L225 Difference]: With dead ends: 9152 [2024-11-13 15:47:11,120 INFO L226 Difference]: Without dead ends: 7622 [2024-11-13 15:47:11,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:47:11,123 INFO L432 NwaCegarLoop]: 1314 mSDtfsCounter, 273 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 5247 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:11,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 5247 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:47:11,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7622 states. [2024-11-13 15:47:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7622 to 7616. [2024-11-13 15:47:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7616 states, 7453 states have (on average 1.4104387494968469) internal successors, (10512), 7453 states have internal predecessors, (10512), 161 states have call successors, (161), 1 states have call predecessors, (161), 1 states have return successors, (161), 161 states have call predecessors, (161), 161 states have call successors, (161) [2024-11-13 15:47:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7616 states to 7616 states and 10834 transitions. [2024-11-13 15:47:11,258 INFO L78 Accepts]: Start accepts. Automaton has 7616 states and 10834 transitions. Word has length 808 [2024-11-13 15:47:11,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:11,258 INFO L471 AbstractCegarLoop]: Abstraction has 7616 states and 10834 transitions. [2024-11-13 15:47:11,259 INFO L472 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:47:11,259 INFO L276 IsEmpty]: Start isEmpty. Operand 7616 states and 10834 transitions. [2024-11-13 15:47:11,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-11-13 15:47:11,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:11,274 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:11,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-13 15:47:11,275 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:11,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:11,275 INFO L85 PathProgramCache]: Analyzing trace with hash -2055675299, now seen corresponding path program 1 times [2024-11-13 15:47:11,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:11,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085269467] [2024-11-13 15:47:11,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:11,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:47:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:47:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:47:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-13 15:47:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:47:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 15:47:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-13 15:47:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2024-11-13 15:47:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 15:47:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2024-11-13 15:47:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-13 15:47:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 15:47:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2024-11-13 15:47:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2024-11-13 15:47:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 255 proven. 5 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:47:22,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:22,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085269467] [2024-11-13 15:47:22,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085269467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:47:22,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085232275] [2024-11-13 15:47:22,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:22,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:47:22,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:47:22,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:47:22,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:47:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:25,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 4347 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 15:47:25,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:47:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 234 proven. 6 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-13 15:47:28,349 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:47:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-11-13 15:47:32,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085232275] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:47:32,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:47:32,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 10] total 27 [2024-11-13 15:47:32,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511126544] [2024-11-13 15:47:32,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:47:32,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 15:47:32,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:32,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 15:47:32,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2024-11-13 15:47:32,293 INFO L87 Difference]: Start difference. First operand 7616 states and 10834 transitions. Second operand has 27 states, 27 states have (on average 64.22222222222223) internal successors, (1734), 27 states have internal predecessors, (1734), 5 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-13 15:47:38,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:38,460 INFO L93 Difference]: Finished difference Result 16485 states and 23471 transitions. [2024-11-13 15:47:38,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 15:47:38,461 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 64.22222222222223) internal successors, (1734), 27 states have internal predecessors, (1734), 5 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 810 [2024-11-13 15:47:38,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:38,470 INFO L225 Difference]: With dead ends: 16485 [2024-11-13 15:47:38,471 INFO L226 Difference]: Without dead ends: 9532 [2024-11-13 15:47:38,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1681 GetRequests, 1634 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=417, Invalid=1935, Unknown=0, NotChecked=0, Total=2352 [2024-11-13 15:47:38,479 INFO L432 NwaCegarLoop]: 1798 mSDtfsCounter, 5424 mSDsluCounter, 24036 mSDsCounter, 0 mSdLazyCounter, 8783 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5424 SdHoareTripleChecker+Valid, 25834 SdHoareTripleChecker+Invalid, 8792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 8783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:38,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5424 Valid, 25834 Invalid, 8792 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 8783 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-13 15:47:38,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9532 states. [2024-11-13 15:47:38,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9532 to 6087. [2024-11-13 15:47:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6087 states, 5990 states have (on average 1.4190317195325544) internal successors, (8500), 5990 states have internal predecessors, (8500), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-13 15:47:38,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6087 states to 6087 states and 8690 transitions. [2024-11-13 15:47:38,590 INFO L78 Accepts]: Start accepts. Automaton has 6087 states and 8690 transitions. Word has length 810 [2024-11-13 15:47:38,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:38,591 INFO L471 AbstractCegarLoop]: Abstraction has 6087 states and 8690 transitions. [2024-11-13 15:47:38,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 64.22222222222223) internal successors, (1734), 27 states have internal predecessors, (1734), 5 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-13 15:47:38,592 INFO L276 IsEmpty]: Start isEmpty. Operand 6087 states and 8690 transitions. [2024-11-13 15:47:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2024-11-13 15:47:38,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:38,605 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:38,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 15:47:38,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-13 15:47:38,806 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:38,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:38,807 INFO L85 PathProgramCache]: Analyzing trace with hash 895922235, now seen corresponding path program 1 times [2024-11-13 15:47:38,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:38,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21443712] [2024-11-13 15:47:38,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:38,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 15:47:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:47:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:47:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:47:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 15:47:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:47:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 15:47:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2024-11-13 15:47:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2024-11-13 15:47:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2024-11-13 15:47:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2024-11-13 15:47:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-11-13 15:47:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2024-11-13 15:47:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2024-11-13 15:47:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:47:48,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:48,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21443712] [2024-11-13 15:47:48,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21443712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:48,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:48,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:47:48,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50238801] [2024-11-13 15:47:48,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:48,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:47:48,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:48,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:47:48,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:47:48,383 INFO L87 Difference]: Start difference. First operand 6087 states and 8690 transitions. Second operand has 7 states, 7 states have (on average 106.85714285714286) internal successors, (748), 7 states have internal predecessors, (748), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:47:50,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:50,438 INFO L93 Difference]: Finished difference Result 9762 states and 13970 transitions. [2024-11-13 15:47:50,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:47:50,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 106.85714285714286) internal successors, (748), 7 states have internal predecessors, (748), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 815 [2024-11-13 15:47:50,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:50,448 INFO L225 Difference]: With dead ends: 9762 [2024-11-13 15:47:50,448 INFO L226 Difference]: Without dead ends: 7919 [2024-11-13 15:47:50,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:47:50,451 INFO L432 NwaCegarLoop]: 1867 mSDtfsCounter, 1927 mSDsluCounter, 6572 mSDsCounter, 0 mSdLazyCounter, 2548 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1932 SdHoareTripleChecker+Valid, 8439 SdHoareTripleChecker+Invalid, 2548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:50,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1932 Valid, 8439 Invalid, 2548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2548 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 15:47:50,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7919 states. [2024-11-13 15:47:50,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7919 to 6156. [2024-11-13 15:47:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6156 states, 6057 states have (on average 1.4186891200264158) internal successors, (8593), 6057 states have internal predecessors, (8593), 97 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-13 15:47:50,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6156 states to 6156 states and 8787 transitions. [2024-11-13 15:47:50,560 INFO L78 Accepts]: Start accepts. Automaton has 6156 states and 8787 transitions. Word has length 815 [2024-11-13 15:47:50,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:50,561 INFO L471 AbstractCegarLoop]: Abstraction has 6156 states and 8787 transitions. [2024-11-13 15:47:50,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 106.85714285714286) internal successors, (748), 7 states have internal predecessors, (748), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:47:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 6156 states and 8787 transitions. [2024-11-13 15:47:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 817 [2024-11-13 15:47:50,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:50,570 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:50,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 15:47:50,571 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:50,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:50,571 INFO L85 PathProgramCache]: Analyzing trace with hash -2028265026, now seen corresponding path program 1 times [2024-11-13 15:47:50,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:50,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069962746] [2024-11-13 15:47:50,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:50,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:47:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 15:47:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:47:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:47:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:47:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 15:47:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:47:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 15:47:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2024-11-13 15:47:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2024-11-13 15:47:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2024-11-13 15:47:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2024-11-13 15:47:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2024-11-13 15:47:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2024-11-13 15:47:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2024-11-13 15:47:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:47:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-11-13 15:47:58,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:47:58,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069962746] [2024-11-13 15:47:58,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069962746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:47:58,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:47:58,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:47:58,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822318479] [2024-11-13 15:47:58,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:47:58,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:47:58,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:47:58,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:47:58,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:47:58,535 INFO L87 Difference]: Start difference. First operand 6156 states and 8787 transitions. Second operand has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 15:47:59,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:47:59,637 INFO L93 Difference]: Finished difference Result 11797 states and 16832 transitions. [2024-11-13 15:47:59,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:47:59,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 816 [2024-11-13 15:47:59,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:47:59,645 INFO L225 Difference]: With dead ends: 11797 [2024-11-13 15:47:59,645 INFO L226 Difference]: Without dead ends: 6172 [2024-11-13 15:47:59,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:47:59,650 INFO L432 NwaCegarLoop]: 1007 mSDtfsCounter, 1230 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1236 SdHoareTripleChecker+Valid, 4013 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:47:59,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1236 Valid, 4013 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:47:59,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2024-11-13 15:47:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 6164. [2024-11-13 15:47:59,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6164 states, 6065 states have (on average 1.4181368507831822) internal successors, (8601), 6065 states have internal predecessors, (8601), 97 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-13 15:47:59,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6164 states to 6164 states and 8795 transitions. [2024-11-13 15:47:59,739 INFO L78 Accepts]: Start accepts. Automaton has 6164 states and 8795 transitions. Word has length 816 [2024-11-13 15:47:59,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:47:59,739 INFO L471 AbstractCegarLoop]: Abstraction has 6164 states and 8795 transitions. [2024-11-13 15:47:59,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 15:47:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 6164 states and 8795 transitions. [2024-11-13 15:47:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2024-11-13 15:47:59,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:47:59,752 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:47:59,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-13 15:47:59,753 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:47:59,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:47:59,753 INFO L85 PathProgramCache]: Analyzing trace with hash 985937566, now seen corresponding path program 1 times [2024-11-13 15:47:59,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:47:59,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042869070] [2024-11-13 15:47:59,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:47:59,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:48:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 15:48:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:48:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:48:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:48:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:48:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 15:48:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 15:48:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-13 15:48:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-13 15:48:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 15:48:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-13 15:48:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 15:48:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-11-13 15:48:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2024-11-13 15:48:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 216 proven. 1 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-13 15:48:09,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:48:09,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042869070] [2024-11-13 15:48:09,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042869070] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:48:09,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728465834] [2024-11-13 15:48:09,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:48:09,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:48:09,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:48:09,533 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:48:09,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:48:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:12,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 4357 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 15:48:12,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:48:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 338 proven. 2 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-13 15:48:14,902 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:48:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-11-13 15:48:15,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728465834] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 15:48:15,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:48:15,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 8] total 21 [2024-11-13 15:48:15,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836490662] [2024-11-13 15:48:15,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:48:15,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:48:15,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:48:15,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:48:15,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:48:15,212 INFO L87 Difference]: Start difference. First operand 6164 states and 8795 transitions. Second operand has 9 states, 9 states have (on average 77.66666666666667) internal successors, (699), 9 states have internal predecessors, (699), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 15:48:18,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:48:18,114 INFO L93 Difference]: Finished difference Result 15321 states and 21999 transitions. [2024-11-13 15:48:18,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:48:18,115 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 77.66666666666667) internal successors, (699), 9 states have internal predecessors, (699), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 818 [2024-11-13 15:48:18,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:48:18,125 INFO L225 Difference]: With dead ends: 15321 [2024-11-13 15:48:18,126 INFO L226 Difference]: Without dead ends: 10879 [2024-11-13 15:48:18,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1675 GetRequests, 1653 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:48:18,133 INFO L432 NwaCegarLoop]: 2128 mSDtfsCounter, 1120 mSDsluCounter, 9553 mSDsCounter, 0 mSdLazyCounter, 3342 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 11681 SdHoareTripleChecker+Invalid, 3343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:48:18,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 11681 Invalid, 3343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3342 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 15:48:18,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10879 states. [2024-11-13 15:48:18,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10879 to 10877. [2024-11-13 15:48:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10877 states, 10723 states have (on average 1.4254406416114893) internal successors, (15285), 10723 states have internal predecessors, (15285), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-13 15:48:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10877 states to 10877 states and 15589 transitions. [2024-11-13 15:48:18,288 INFO L78 Accepts]: Start accepts. Automaton has 10877 states and 15589 transitions. Word has length 818 [2024-11-13 15:48:18,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:48:18,289 INFO L471 AbstractCegarLoop]: Abstraction has 10877 states and 15589 transitions. [2024-11-13 15:48:18,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 77.66666666666667) internal successors, (699), 9 states have internal predecessors, (699), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 15:48:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 10877 states and 15589 transitions. [2024-11-13 15:48:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2024-11-13 15:48:18,300 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:48:18,301 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:48:18,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:48:18,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:48:18,502 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:48:18,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:48:18,502 INFO L85 PathProgramCache]: Analyzing trace with hash 13195934, now seen corresponding path program 1 times [2024-11-13 15:48:18,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:48:18,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926389111] [2024-11-13 15:48:18,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:48:18,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:48:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 15:48:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:48:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:48:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:48:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:48:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 15:48:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 15:48:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-13 15:48:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-13 15:48:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 15:48:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-13 15:48:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 15:48:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-11-13 15:48:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2024-11-13 15:48:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2024-11-13 15:48:26,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:48:26,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926389111] [2024-11-13 15:48:26,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926389111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:48:26,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:48:26,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:48:26,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783925040] [2024-11-13 15:48:26,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:48:26,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:48:26,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:48:26,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:48:26,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:48:26,998 INFO L87 Difference]: Start difference. First operand 10877 states and 15589 transitions. Second operand has 6 states, 6 states have (on average 97.66666666666667) internal successors, (586), 6 states have internal predecessors, (586), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:48:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:48:28,113 INFO L93 Difference]: Finished difference Result 17308 states and 24759 transitions. [2024-11-13 15:48:28,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:48:28,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 97.66666666666667) internal successors, (586), 6 states have internal predecessors, (586), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 818 [2024-11-13 15:48:28,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:48:28,128 INFO L225 Difference]: With dead ends: 17308 [2024-11-13 15:48:28,128 INFO L226 Difference]: Without dead ends: 11285 [2024-11-13 15:48:28,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:48:28,135 INFO L432 NwaCegarLoop]: 1031 mSDtfsCounter, 829 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 4077 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:48:28,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 4077 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:48:28,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11285 states. [2024-11-13 15:48:28,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11285 to 10805. [2024-11-13 15:48:28,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10805 states, 10651 states have (on average 1.4260632804431508) internal successors, (15189), 10651 states have internal predecessors, (15189), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-13 15:48:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10805 states to 10805 states and 15493 transitions. [2024-11-13 15:48:28,323 INFO L78 Accepts]: Start accepts. Automaton has 10805 states and 15493 transitions. Word has length 818 [2024-11-13 15:48:28,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:48:28,323 INFO L471 AbstractCegarLoop]: Abstraction has 10805 states and 15493 transitions. [2024-11-13 15:48:28,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.66666666666667) internal successors, (586), 6 states have internal predecessors, (586), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-13 15:48:28,324 INFO L276 IsEmpty]: Start isEmpty. Operand 10805 states and 15493 transitions. [2024-11-13 15:48:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 819 [2024-11-13 15:48:28,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:48:28,340 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:48:28,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-13 15:48:28,341 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:48:28,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:48:28,341 INFO L85 PathProgramCache]: Analyzing trace with hash -675058410, now seen corresponding path program 1 times [2024-11-13 15:48:28,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:48:28,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712366194] [2024-11-13 15:48:28,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:48:28,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:48:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 15:48:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:48:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:48:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:48:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:48:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 15:48:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 15:48:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2024-11-13 15:48:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2024-11-13 15:48:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2024-11-13 15:48:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2024-11-13 15:48:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2024-11-13 15:48:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-11-13 15:48:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2024-11-13 15:48:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2024-11-13 15:48:35,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:48:35,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712366194] [2024-11-13 15:48:35,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712366194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:48:35,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:48:35,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:48:35,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842716231] [2024-11-13 15:48:35,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:48:35,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:48:35,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:48:35,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:48:35,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:48:35,142 INFO L87 Difference]: Start difference. First operand 10805 states and 15493 transitions. Second operand has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 15:48:36,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:48:36,497 INFO L93 Difference]: Finished difference Result 28464 states and 40809 transitions. [2024-11-13 15:48:36,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:48:36,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 818 [2024-11-13 15:48:36,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:48:36,515 INFO L225 Difference]: With dead ends: 28464 [2024-11-13 15:48:36,515 INFO L226 Difference]: Without dead ends: 18232 [2024-11-13 15:48:36,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:48:36,526 INFO L432 NwaCegarLoop]: 1023 mSDtfsCounter, 3374 mSDsluCounter, 3018 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3386 SdHoareTripleChecker+Valid, 4041 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:48:36,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3386 Valid, 4041 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 15:48:36,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18232 states. [2024-11-13 15:48:36,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18232 to 11201. [2024-11-13 15:48:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11201 states, 11035 states have (on average 1.424286361576801) internal successors, (15717), 11035 states have internal predecessors, (15717), 164 states have call successors, (164), 1 states have call predecessors, (164), 1 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-13 15:48:36,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11201 states to 11201 states and 16045 transitions. [2024-11-13 15:48:36,712 INFO L78 Accepts]: Start accepts. Automaton has 11201 states and 16045 transitions. Word has length 818 [2024-11-13 15:48:36,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:48:36,712 INFO L471 AbstractCegarLoop]: Abstraction has 11201 states and 16045 transitions. [2024-11-13 15:48:36,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.5) internal successors, (525), 6 states have internal predecessors, (525), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 15:48:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 11201 states and 16045 transitions. [2024-11-13 15:48:36,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2024-11-13 15:48:36,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:48:36,728 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:48:36,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-11-13 15:48:36,728 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:48:36,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:48:36,728 INFO L85 PathProgramCache]: Analyzing trace with hash 149837651, now seen corresponding path program 1 times [2024-11-13 15:48:36,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:48:36,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870165709] [2024-11-13 15:48:36,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:48:36,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:48:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 15:48:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 15:48:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 15:48:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:48:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 15:48:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:48:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:48:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 15:48:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2024-11-13 15:48:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2024-11-13 15:48:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2024-11-13 15:48:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-13 15:48:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2024-11-13 15:48:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2024-11-13 15:48:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:48:44,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:48:44,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870165709] [2024-11-13 15:48:44,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870165709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:48:44,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:48:44,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:48:44,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742775467] [2024-11-13 15:48:44,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:48:44,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:48:44,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:48:44,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:48:44,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:48:44,159 INFO L87 Difference]: Start difference. First operand 11201 states and 16045 transitions. Second operand has 6 states, 6 states have (on average 125.33333333333333) internal successors, (752), 6 states have internal predecessors, (752), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:48:45,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:48:45,466 INFO L93 Difference]: Finished difference Result 15476 states and 22199 transitions. [2024-11-13 15:48:45,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:48:45,467 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 125.33333333333333) internal successors, (752), 6 states have internal predecessors, (752), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 819 [2024-11-13 15:48:45,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:48:45,477 INFO L225 Difference]: With dead ends: 15476 [2024-11-13 15:48:45,477 INFO L226 Difference]: Without dead ends: 11683 [2024-11-13 15:48:45,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:48:45,482 INFO L432 NwaCegarLoop]: 1019 mSDtfsCounter, 1861 mSDsluCounter, 2990 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 4009 SdHoareTripleChecker+Invalid, 1213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:48:45,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 4009 Invalid, 1213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 15:48:45,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11683 states. [2024-11-13 15:48:45,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11683 to 8164. [2024-11-13 15:48:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8164 states, 8038 states have (on average 1.4229907937297834) internal successors, (11438), 8038 states have internal predecessors, (11438), 124 states have call successors, (124), 1 states have call predecessors, (124), 1 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-13 15:48:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8164 states to 8164 states and 11686 transitions. [2024-11-13 15:48:45,621 INFO L78 Accepts]: Start accepts. Automaton has 8164 states and 11686 transitions. Word has length 819 [2024-11-13 15:48:45,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:48:45,621 INFO L471 AbstractCegarLoop]: Abstraction has 8164 states and 11686 transitions. [2024-11-13 15:48:45,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 125.33333333333333) internal successors, (752), 6 states have internal predecessors, (752), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:48:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand 8164 states and 11686 transitions. [2024-11-13 15:48:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2024-11-13 15:48:45,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:48:45,631 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:48:45,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-13 15:48:45,631 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:48:45,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:48:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash -934373067, now seen corresponding path program 1 times [2024-11-13 15:48:45,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:48:45,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748036920] [2024-11-13 15:48:45,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:48:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:48:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:48:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:48:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:48:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:48:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:48:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 15:48:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 15:48:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2024-11-13 15:48:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2024-11-13 15:48:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2024-11-13 15:48:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2024-11-13 15:48:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-13 15:48:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2024-11-13 15:48:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2024-11-13 15:48:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:48:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-11-13 15:48:53,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:48:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748036920] [2024-11-13 15:48:53,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748036920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:48:53,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:48:53,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:48:53,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926233860] [2024-11-13 15:48:53,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:48:53,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:48:53,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:48:53,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:48:53,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:48:53,459 INFO L87 Difference]: Start difference. First operand 8164 states and 11686 transitions. Second operand has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:48:54,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:48:54,310 INFO L93 Difference]: Finished difference Result 14459 states and 20764 transitions. [2024-11-13 15:48:54,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:48:54,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 819 [2024-11-13 15:48:54,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:48:54,318 INFO L225 Difference]: With dead ends: 14459 [2024-11-13 15:48:54,318 INFO L226 Difference]: Without dead ends: 8228 [2024-11-13 15:48:54,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:48:54,325 INFO L432 NwaCegarLoop]: 1025 mSDtfsCounter, 1148 mSDsluCounter, 2028 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1148 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:48:54,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1148 Valid, 3053 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:48:54,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8228 states. [2024-11-13 15:48:54,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8228 to 8212. [2024-11-13 15:48:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8212 states, 8086 states have (on average 1.4204798417017066) internal successors, (11486), 8086 states have internal predecessors, (11486), 124 states have call successors, (124), 1 states have call predecessors, (124), 1 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-13 15:48:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8212 states to 8212 states and 11734 transitions. [2024-11-13 15:48:54,466 INFO L78 Accepts]: Start accepts. Automaton has 8212 states and 11734 transitions. Word has length 819 [2024-11-13 15:48:54,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:48:54,466 INFO L471 AbstractCegarLoop]: Abstraction has 8212 states and 11734 transitions. [2024-11-13 15:48:54,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.8) internal successors, (594), 5 states have internal predecessors, (594), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:48:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 8212 states and 11734 transitions. [2024-11-13 15:48:54,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2024-11-13 15:48:54,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:48:54,475 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:48:54,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-13 15:48:54,475 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:48:54,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:48:54,476 INFO L85 PathProgramCache]: Analyzing trace with hash -870245829, now seen corresponding path program 1 times [2024-11-13 15:48:54,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:48:54,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758331130] [2024-11-13 15:48:54,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:48:54,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:49:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:49:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:49:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:49:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:49:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:49:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 15:49:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 15:49:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-11-13 15:49:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2024-11-13 15:49:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2024-11-13 15:49:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2024-11-13 15:49:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-11-13 15:49:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2024-11-13 15:49:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2024-11-13 15:49:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-11-13 15:49:02,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:49:02,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758331130] [2024-11-13 15:49:02,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758331130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:49:02,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:49:02,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:49:02,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751468070] [2024-11-13 15:49:02,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:49:02,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:49:02,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:49:02,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:49:02,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:49:02,712 INFO L87 Difference]: Start difference. First operand 8212 states and 11734 transitions. Second operand has 8 states, 8 states have (on average 74.875) internal successors, (599), 8 states have internal predecessors, (599), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:49:04,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:49:04,637 INFO L93 Difference]: Finished difference Result 11344 states and 16244 transitions. [2024-11-13 15:49:04,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:49:04,638 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 74.875) internal successors, (599), 8 states have internal predecessors, (599), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 821 [2024-11-13 15:49:04,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:49:04,645 INFO L225 Difference]: With dead ends: 11344 [2024-11-13 15:49:04,646 INFO L226 Difference]: Without dead ends: 8236 [2024-11-13 15:49:04,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:49:04,650 INFO L432 NwaCegarLoop]: 2079 mSDtfsCounter, 2305 mSDsluCounter, 8978 mSDsCounter, 0 mSdLazyCounter, 2209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2312 SdHoareTripleChecker+Valid, 11057 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:49:04,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2312 Valid, 11057 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2209 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 15:49:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8236 states. [2024-11-13 15:49:04,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8236 to 8212. [2024-11-13 15:49:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8212 states, 8086 states have (on average 1.4194904773682908) internal successors, (11478), 8086 states have internal predecessors, (11478), 124 states have call successors, (124), 1 states have call predecessors, (124), 1 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-13 15:49:04,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8212 states to 8212 states and 11726 transitions. [2024-11-13 15:49:04,787 INFO L78 Accepts]: Start accepts. Automaton has 8212 states and 11726 transitions. Word has length 821 [2024-11-13 15:49:04,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:49:04,787 INFO L471 AbstractCegarLoop]: Abstraction has 8212 states and 11726 transitions. [2024-11-13 15:49:04,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 74.875) internal successors, (599), 8 states have internal predecessors, (599), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:49:04,787 INFO L276 IsEmpty]: Start isEmpty. Operand 8212 states and 11726 transitions. [2024-11-13 15:49:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2024-11-13 15:49:04,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:49:04,796 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:49:04,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-13 15:49:04,797 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:49:04,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:49:04,797 INFO L85 PathProgramCache]: Analyzing trace with hash 626568411, now seen corresponding path program 1 times [2024-11-13 15:49:04,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:49:04,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116902379] [2024-11-13 15:49:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:49:04,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:49:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:49:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:49:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:49:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:49:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 15:49:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:49:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:49:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-11-13 15:49:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2024-11-13 15:49:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2024-11-13 15:49:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2024-11-13 15:49:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-11-13 15:49:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2024-11-13 15:49:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2024-11-13 15:49:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2024-11-13 15:49:12,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:49:12,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116902379] [2024-11-13 15:49:12,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116902379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:49:12,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:49:12,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:49:12,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579018293] [2024-11-13 15:49:12,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:49:12,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:49:12,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:49:12,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:49:12,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:49:12,076 INFO L87 Difference]: Start difference. First operand 8212 states and 11726 transitions. Second operand has 7 states, 7 states have (on average 79.28571428571429) internal successors, (555), 7 states have internal predecessors, (555), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 15:49:12,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:49:12,493 INFO L93 Difference]: Finished difference Result 17276 states and 24648 transitions. [2024-11-13 15:49:12,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:49:12,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 79.28571428571429) internal successors, (555), 7 states have internal predecessors, (555), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 823 [2024-11-13 15:49:12,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:49:12,510 INFO L225 Difference]: With dead ends: 17276 [2024-11-13 15:49:12,510 INFO L226 Difference]: Without dead ends: 11818 [2024-11-13 15:49:12,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:49:12,518 INFO L432 NwaCegarLoop]: 1301 mSDtfsCounter, 3736 mSDsluCounter, 5157 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3743 SdHoareTripleChecker+Valid, 6458 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:49:12,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3743 Valid, 6458 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:49:12,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11818 states. [2024-11-13 15:49:12,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11818 to 9066. [2024-11-13 15:49:12,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9066 states, 8904 states have (on average 1.4117250673854447) internal successors, (12570), 8904 states have internal predecessors, (12570), 160 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-13 15:49:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9066 states to 9066 states and 12890 transitions. [2024-11-13 15:49:12,776 INFO L78 Accepts]: Start accepts. Automaton has 9066 states and 12890 transitions. Word has length 823 [2024-11-13 15:49:12,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:49:12,776 INFO L471 AbstractCegarLoop]: Abstraction has 9066 states and 12890 transitions. [2024-11-13 15:49:12,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 79.28571428571429) internal successors, (555), 7 states have internal predecessors, (555), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 15:49:12,776 INFO L276 IsEmpty]: Start isEmpty. Operand 9066 states and 12890 transitions. [2024-11-13 15:49:12,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2024-11-13 15:49:12,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:49:12,786 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:49:12,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-13 15:49:12,786 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:49:12,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:49:12,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1714227337, now seen corresponding path program 1 times [2024-11-13 15:49:12,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:49:12,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010842989] [2024-11-13 15:49:12,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:49:12,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:49:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:49:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:49:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:49:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:49:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:49:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 15:49:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 15:49:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2024-11-13 15:49:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2024-11-13 15:49:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2024-11-13 15:49:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2024-11-13 15:49:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-11-13 15:49:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2024-11-13 15:49:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2024-11-13 15:49:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2024-11-13 15:49:24,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:49:24,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010842989] [2024-11-13 15:49:24,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010842989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:49:24,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:49:24,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:49:24,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931508140] [2024-11-13 15:49:24,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:49:24,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:49:24,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:49:24,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:49:24,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:49:24,704 INFO L87 Difference]: Start difference. First operand 9066 states and 12890 transitions. Second operand has 8 states, 8 states have (on average 70.125) internal successors, (561), 8 states have internal predecessors, (561), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-13 15:49:25,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:49:25,621 INFO L93 Difference]: Finished difference Result 21107 states and 30134 transitions. [2024-11-13 15:49:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:49:25,622 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 70.125) internal successors, (561), 8 states have internal predecessors, (561), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 823 [2024-11-13 15:49:25,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:49:25,638 INFO L225 Difference]: With dead ends: 21107 [2024-11-13 15:49:25,638 INFO L226 Difference]: Without dead ends: 15502 [2024-11-13 15:49:25,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:49:25,645 INFO L432 NwaCegarLoop]: 2408 mSDtfsCounter, 4032 mSDsluCounter, 8191 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4039 SdHoareTripleChecker+Valid, 10599 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:49:25,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4039 Valid, 10599 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:49:25,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15502 states. [2024-11-13 15:49:25,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15502 to 9066. [2024-11-13 15:49:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9066 states, 8904 states have (on average 1.4117250673854447) internal successors, (12570), 8904 states have internal predecessors, (12570), 160 states have call successors, (160), 1 states have call predecessors, (160), 1 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-13 15:49:25,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9066 states to 9066 states and 12890 transitions. [2024-11-13 15:49:25,912 INFO L78 Accepts]: Start accepts. Automaton has 9066 states and 12890 transitions. Word has length 823 [2024-11-13 15:49:25,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:49:25,912 INFO L471 AbstractCegarLoop]: Abstraction has 9066 states and 12890 transitions. [2024-11-13 15:49:25,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 70.125) internal successors, (561), 8 states have internal predecessors, (561), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-13 15:49:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 9066 states and 12890 transitions. [2024-11-13 15:49:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2024-11-13 15:49:25,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:49:25,922 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:49:25,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-13 15:49:25,922 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:49:25,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:49:25,923 INFO L85 PathProgramCache]: Analyzing trace with hash -948931150, now seen corresponding path program 1 times [2024-11-13 15:49:25,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:49:25,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159774641] [2024-11-13 15:49:25,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:49:25,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:49:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:49:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:49:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:49:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:49:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 15:49:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:49:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:49:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-11-13 15:49:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-11-13 15:49:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2024-11-13 15:49:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2024-11-13 15:49:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-11-13 15:49:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2024-11-13 15:49:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2024-11-13 15:49:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-13 15:49:37,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:49:37,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159774641] [2024-11-13 15:49:37,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159774641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:49:37,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:49:37,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:49:37,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387727333] [2024-11-13 15:49:37,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:49:37,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:49:37,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:49:37,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:49:37,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:49:37,909 INFO L87 Difference]: Start difference. First operand 9066 states and 12890 transitions. Second operand has 8 states, 8 states have (on average 71.375) internal successors, (571), 8 states have internal predecessors, (571), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 15:49:38,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:49:38,457 INFO L93 Difference]: Finished difference Result 24591 states and 35026 transitions. [2024-11-13 15:49:38,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:49:38,458 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 71.375) internal successors, (571), 8 states have internal predecessors, (571), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 824 [2024-11-13 15:49:38,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:49:38,481 INFO L225 Difference]: With dead ends: 24591 [2024-11-13 15:49:38,481 INFO L226 Difference]: Without dead ends: 17950 [2024-11-13 15:49:38,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:49:38,491 INFO L432 NwaCegarLoop]: 1349 mSDtfsCounter, 4081 mSDsluCounter, 6373 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4093 SdHoareTripleChecker+Valid, 7722 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 [2024-11-13 15:49:38,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4093 Valid, 7722 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:49:38,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17950 states. [2024-11-13 15:49:38,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17950 to 11244. [2024-11-13 15:49:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11244 states, 10978 states have (on average 1.3958826744397888) internal successors, (15324), 10978 states have internal predecessors, (15324), 264 states have call successors, (264), 1 states have call predecessors, (264), 1 states have return successors, (264), 264 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-13 15:49:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11244 states to 11244 states and 15852 transitions. [2024-11-13 15:49:38,914 INFO L78 Accepts]: Start accepts. Automaton has 11244 states and 15852 transitions. Word has length 824 [2024-11-13 15:49:38,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:49:38,914 INFO L471 AbstractCegarLoop]: Abstraction has 11244 states and 15852 transitions. [2024-11-13 15:49:38,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 71.375) internal successors, (571), 8 states have internal predecessors, (571), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 15:49:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 11244 states and 15852 transitions. [2024-11-13 15:49:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2024-11-13 15:49:38,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:49:38,932 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:49:38,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-11-13 15:49:38,933 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:49:38,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:49:38,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1271828170, now seen corresponding path program 1 times [2024-11-13 15:49:38,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:49:38,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946033533] [2024-11-13 15:49:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:49:38,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:49:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:49:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:49:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:49:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:49:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 15:49:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:49:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:49:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2024-11-13 15:49:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2024-11-13 15:49:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2024-11-13 15:49:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2024-11-13 15:49:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2024-11-13 15:49:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2024-11-13 15:49:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2024-11-13 15:49:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:49:41,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:49:41,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946033533] [2024-11-13 15:49:41,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946033533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:49:41,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:49:41,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:49:41,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106818091] [2024-11-13 15:49:41,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:49:41,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:49:41,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:49:41,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:49:41,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:49:41,654 INFO L87 Difference]: Start difference. First operand 11244 states and 15852 transitions. Second operand has 7 states, 7 states have (on average 108.14285714285714) internal successors, (757), 7 states have internal predecessors, (757), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:49:43,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:49:43,348 INFO L93 Difference]: Finished difference Result 22264 states and 31661 transitions. [2024-11-13 15:49:43,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:49:43,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 108.14285714285714) internal successors, (757), 7 states have internal predecessors, (757), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 824 [2024-11-13 15:49:43,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:49:43,368 INFO L225 Difference]: With dead ends: 22264 [2024-11-13 15:49:43,368 INFO L226 Difference]: Without dead ends: 18097 [2024-11-13 15:49:43,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:49:43,377 INFO L432 NwaCegarLoop]: 1298 mSDtfsCounter, 3135 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3139 SdHoareTripleChecker+Valid, 4843 SdHoareTripleChecker+Invalid, 1789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:49:43,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3139 Valid, 4843 Invalid, 1789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 15:49:43,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18097 states. [2024-11-13 15:49:43,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18097 to 17197. [2024-11-13 15:49:43,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17197 states, 16839 states have (on average 1.40483401627175) internal successors, (23656), 16839 states have internal predecessors, (23656), 356 states have call successors, (356), 1 states have call predecessors, (356), 1 states have return successors, (356), 356 states have call predecessors, (356), 356 states have call successors, (356) [2024-11-13 15:49:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17197 states to 17197 states and 24368 transitions. [2024-11-13 15:49:43,862 INFO L78 Accepts]: Start accepts. Automaton has 17197 states and 24368 transitions. Word has length 824 [2024-11-13 15:49:43,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:49:43,863 INFO L471 AbstractCegarLoop]: Abstraction has 17197 states and 24368 transitions. [2024-11-13 15:49:43,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.14285714285714) internal successors, (757), 7 states have internal predecessors, (757), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:49:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 17197 states and 24368 transitions. [2024-11-13 15:49:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2024-11-13 15:49:43,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:49:43,889 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:49:43,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-13 15:49:43,889 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:49:43,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:49:43,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1980943492, now seen corresponding path program 1 times [2024-11-13 15:49:43,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:49:43,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355862533] [2024-11-13 15:49:43,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:49:43,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:49:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:49:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:49:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:49:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:49:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 15:49:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:49:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 15:49:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-13 15:49:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 15:49:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-11-13 15:49:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 15:49:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-11-13 15:49:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2024-11-13 15:49:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2024-11-13 15:49:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2024-11-13 15:49:50,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:49:50,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355862533] [2024-11-13 15:49:50,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355862533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:49:50,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:49:50,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:49:50,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191341359] [2024-11-13 15:49:50,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:49:50,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:49:50,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:49:50,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:49:50,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:49:50,192 INFO L87 Difference]: Start difference. First operand 17197 states and 24368 transitions. Second operand has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 15:49:50,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:49:50,764 INFO L93 Difference]: Finished difference Result 33360 states and 47551 transitions. [2024-11-13 15:49:50,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:49:50,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 825 [2024-11-13 15:49:50,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:49:50,784 INFO L225 Difference]: With dead ends: 33360 [2024-11-13 15:49:50,784 INFO L226 Difference]: Without dead ends: 23966 [2024-11-13 15:49:50,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:49:50,794 INFO L432 NwaCegarLoop]: 2241 mSDtfsCounter, 972 mSDsluCounter, 5761 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 8002 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:49:50,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [973 Valid, 8002 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:49:50,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23966 states. [2024-11-13 15:49:51,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23966 to 18173. [2024-11-13 15:49:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18173 states, 17741 states have (on average 1.3992446874471562) internal successors, (24824), 17741 states have internal predecessors, (24824), 430 states have call successors, (430), 1 states have call predecessors, (430), 1 states have return successors, (430), 430 states have call predecessors, (430), 430 states have call successors, (430) [2024-11-13 15:49:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18173 states to 18173 states and 25684 transitions. [2024-11-13 15:49:51,204 INFO L78 Accepts]: Start accepts. Automaton has 18173 states and 25684 transitions. Word has length 825 [2024-11-13 15:49:51,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:49:51,205 INFO L471 AbstractCegarLoop]: Abstraction has 18173 states and 25684 transitions. [2024-11-13 15:49:51,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 114.4) internal successors, (572), 5 states have internal predecessors, (572), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 15:49:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 18173 states and 25684 transitions. [2024-11-13 15:49:51,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2024-11-13 15:49:51,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:49:51,232 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:49:51,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-13 15:49:51,232 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:49:51,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:49:51,233 INFO L85 PathProgramCache]: Analyzing trace with hash 174618458, now seen corresponding path program 1 times [2024-11-13 15:49:51,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:49:51,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025646254] [2024-11-13 15:49:51,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:49:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:49:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:49:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:49:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:49:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 15:49:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-13 15:49:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 15:49:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 15:49:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-13 15:49:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 15:49:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-11-13 15:49:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 15:49:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-11-13 15:49:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2024-11-13 15:49:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2024-11-13 15:49:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:49:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:49:53,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:49:53,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025646254] [2024-11-13 15:49:53,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025646254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:49:53,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:49:53,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:49:53,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447217055] [2024-11-13 15:49:53,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:49:53,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:49:53,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:49:53,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:49:53,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:49:53,324 INFO L87 Difference]: Start difference. First operand 18173 states and 25684 transitions. Second operand has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:49:55,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:49:55,335 INFO L93 Difference]: Finished difference Result 25961 states and 36853 transitions. [2024-11-13 15:49:55,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:49:55,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 825 [2024-11-13 15:49:55,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:49:55,351 INFO L225 Difference]: With dead ends: 25961 [2024-11-13 15:49:55,351 INFO L226 Difference]: Without dead ends: 19073 [2024-11-13 15:49:55,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:49:55,359 INFO L432 NwaCegarLoop]: 1782 mSDtfsCounter, 2533 mSDsluCounter, 4535 mSDsCounter, 0 mSdLazyCounter, 1910 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 6317 SdHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:49:55,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 6317 Invalid, 1911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1910 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 15:49:55,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19073 states. [2024-11-13 15:49:55,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19073 to 19007. [2024-11-13 15:49:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19007 states, 18575 states have (on average 1.4017765814266487) internal successors, (26038), 18575 states have internal predecessors, (26038), 430 states have call successors, (430), 1 states have call predecessors, (430), 1 states have return successors, (430), 430 states have call predecessors, (430), 430 states have call successors, (430) [2024-11-13 15:49:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19007 states to 19007 states and 26898 transitions. [2024-11-13 15:49:55,761 INFO L78 Accepts]: Start accepts. Automaton has 19007 states and 26898 transitions. Word has length 825 [2024-11-13 15:49:55,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:49:55,761 INFO L471 AbstractCegarLoop]: Abstraction has 19007 states and 26898 transitions. [2024-11-13 15:49:55,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:49:55,762 INFO L276 IsEmpty]: Start isEmpty. Operand 19007 states and 26898 transitions. [2024-11-13 15:49:55,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2024-11-13 15:49:55,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:49:55,779 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:49:55,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-13 15:49:55,779 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:49:55,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:49:55,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1752523346, now seen corresponding path program 1 times [2024-11-13 15:49:55,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:49:55,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609129970] [2024-11-13 15:49:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:49:55,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:50:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:50:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:50:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:50:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:50:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:50:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 15:50:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 15:50:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-13 15:50:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 15:50:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-11-13 15:50:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 15:50:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-11-13 15:50:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2024-11-13 15:50:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2024-11-13 15:50:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-13 15:50:06,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:50:06,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609129970] [2024-11-13 15:50:06,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609129970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:50:06,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:50:06,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:50:06,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065369812] [2024-11-13 15:50:06,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:50:06,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:50:06,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:50:06,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:50:06,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:50:06,246 INFO L87 Difference]: Start difference. First operand 19007 states and 26898 transitions. Second operand has 7 states, 7 states have (on average 79.85714285714286) internal successors, (559), 7 states have internal predecessors, (559), 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) [2024-11-13 15:50:07,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:50:07,628 INFO L93 Difference]: Finished difference Result 34363 states and 48816 transitions. [2024-11-13 15:50:07,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:50:07,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 79.85714285714286) internal successors, (559), 7 states have internal predecessors, (559), 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 825 [2024-11-13 15:50:07,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:50:07,646 INFO L225 Difference]: With dead ends: 34363 [2024-11-13 15:50:07,646 INFO L226 Difference]: Without dead ends: 19423 [2024-11-13 15:50:07,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:50:07,659 INFO L432 NwaCegarLoop]: 1008 mSDtfsCounter, 1262 mSDsluCounter, 3018 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1266 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:50:07,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1266 Valid, 4026 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 15:50:07,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19423 states. [2024-11-13 15:50:08,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19423 to 19215. [2024-11-13 15:50:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19215 states, 18783 states have (on average 1.397327370494596) internal successors, (26246), 18783 states have internal predecessors, (26246), 430 states have call successors, (430), 1 states have call predecessors, (430), 1 states have return successors, (430), 430 states have call predecessors, (430), 430 states have call successors, (430) [2024-11-13 15:50:08,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19215 states to 19215 states and 27106 transitions. [2024-11-13 15:50:08,236 INFO L78 Accepts]: Start accepts. Automaton has 19215 states and 27106 transitions. Word has length 825 [2024-11-13 15:50:08,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:50:08,237 INFO L471 AbstractCegarLoop]: Abstraction has 19215 states and 27106 transitions. [2024-11-13 15:50:08,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 79.85714285714286) internal successors, (559), 7 states have internal predecessors, (559), 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) [2024-11-13 15:50:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 19215 states and 27106 transitions. [2024-11-13 15:50:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2024-11-13 15:50:08,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:50:08,255 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:50:08,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-11-13 15:50:08,255 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:50:08,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:50:08,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1110164365, now seen corresponding path program 1 times [2024-11-13 15:50:08,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:50:08,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064686494] [2024-11-13 15:50:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:50:08,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:50:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:50:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:50:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:50:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:50:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 15:50:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 15:50:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 15:50:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-13 15:50:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 15:50:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-11-13 15:50:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 15:50:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2024-11-13 15:50:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2024-11-13 15:50:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2024-11-13 15:50:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-11-13 15:50:16,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:50:16,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064686494] [2024-11-13 15:50:16,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064686494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:50:16,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:50:16,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:50:16,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758236637] [2024-11-13 15:50:16,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:50:16,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:50:16,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:50:16,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:50:16,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:50:16,457 INFO L87 Difference]: Start difference. First operand 19215 states and 27106 transitions. Second operand has 8 states, 8 states have (on average 84.875) internal successors, (679), 8 states have internal predecessors, (679), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:50:18,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:50:18,692 INFO L93 Difference]: Finished difference Result 24275 states and 34346 transitions. [2024-11-13 15:50:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:50:18,693 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 84.875) internal successors, (679), 8 states have internal predecessors, (679), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 825 [2024-11-13 15:50:18,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:50:18,709 INFO L225 Difference]: With dead ends: 24275 [2024-11-13 15:50:18,710 INFO L226 Difference]: Without dead ends: 19293 [2024-11-13 15:50:18,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:50:18,717 INFO L432 NwaCegarLoop]: 2090 mSDtfsCounter, 2217 mSDsluCounter, 9000 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2224 SdHoareTripleChecker+Valid, 11090 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:50:18,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2224 Valid, 11090 Invalid, 2210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 15:50:18,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19293 states. [2024-11-13 15:50:19,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19293 to 19215. [2024-11-13 15:50:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19215 states, 18783 states have (on average 1.3964755363892882) internal successors, (26230), 18783 states have internal predecessors, (26230), 430 states have call successors, (430), 1 states have call predecessors, (430), 1 states have return successors, (430), 430 states have call predecessors, (430), 430 states have call successors, (430) [2024-11-13 15:50:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19215 states to 19215 states and 27090 transitions. [2024-11-13 15:50:19,137 INFO L78 Accepts]: Start accepts. Automaton has 19215 states and 27090 transitions. Word has length 825 [2024-11-13 15:50:19,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:50:19,138 INFO L471 AbstractCegarLoop]: Abstraction has 19215 states and 27090 transitions. [2024-11-13 15:50:19,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 84.875) internal successors, (679), 8 states have internal predecessors, (679), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:50:19,138 INFO L276 IsEmpty]: Start isEmpty. Operand 19215 states and 27090 transitions. [2024-11-13 15:50:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2024-11-13 15:50:19,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:50:19,156 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:50:19,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-13 15:50:19,156 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:50:19,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:50:19,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1249733897, now seen corresponding path program 1 times [2024-11-13 15:50:19,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:50:19,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591804281] [2024-11-13 15:50:19,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:50:19,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:50:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:50:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:50:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:50:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:50:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 15:50:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:50:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 15:50:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2024-11-13 15:50:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2024-11-13 15:50:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2024-11-13 15:50:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2024-11-13 15:50:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2024-11-13 15:50:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2024-11-13 15:50:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2024-11-13 15:50:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 262 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:50:30,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:50:30,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591804281] [2024-11-13 15:50:30,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591804281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:50:30,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026062912] [2024-11-13 15:50:30,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:50:30,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:50:30,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:50:30,131 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:50:30,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:50:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:35,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 4360 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:50:35,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:50:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2024-11-13 15:50:35,602 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:50:35,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026062912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:50:35,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:50:35,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-13 15:50:35,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567507827] [2024-11-13 15:50:35,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:50:35,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:50:35,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:50:35,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:50:35,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:50:35,605 INFO L87 Difference]: Start difference. First operand 19215 states and 27090 transitions. Second operand has 6 states, 5 states have (on average 114.0) internal successors, (570), 6 states have internal predecessors, (570), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 15:50:36,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:50:36,270 INFO L93 Difference]: Finished difference Result 34251 states and 48488 transitions. [2024-11-13 15:50:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:50:36,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 114.0) internal successors, (570), 6 states have internal predecessors, (570), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 825 [2024-11-13 15:50:36,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:50:36,298 INFO L225 Difference]: With dead ends: 34251 [2024-11-13 15:50:36,298 INFO L226 Difference]: Without dead ends: 19215 [2024-11-13 15:50:36,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 862 GetRequests, 851 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:50:36,316 INFO L432 NwaCegarLoop]: 1309 mSDtfsCounter, 0 mSDsluCounter, 5213 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6522 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:50:36,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6522 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:50:36,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19215 states. [2024-11-13 15:50:36,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19215 to 19007. [2024-11-13 15:50:36,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19007 states, 18575 states have (on average 1.3953162853297443) internal successors, (25918), 18575 states have internal predecessors, (25918), 430 states have call successors, (430), 1 states have call predecessors, (430), 1 states have return successors, (430), 430 states have call predecessors, (430), 430 states have call successors, (430) [2024-11-13 15:50:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19007 states to 19007 states and 26778 transitions. [2024-11-13 15:50:36,970 INFO L78 Accepts]: Start accepts. Automaton has 19007 states and 26778 transitions. Word has length 825 [2024-11-13 15:50:36,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:50:36,971 INFO L471 AbstractCegarLoop]: Abstraction has 19007 states and 26778 transitions. [2024-11-13 15:50:36,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 114.0) internal successors, (570), 6 states have internal predecessors, (570), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 15:50:36,971 INFO L276 IsEmpty]: Start isEmpty. Operand 19007 states and 26778 transitions. [2024-11-13 15:50:36,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2024-11-13 15:50:36,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:50:36,999 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:50:37,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:50:37,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:50:37,200 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:50:37,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:50:37,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1188992534, now seen corresponding path program 1 times [2024-11-13 15:50:37,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:50:37,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363632207] [2024-11-13 15:50:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:50:37,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:50:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:50:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:50:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:50:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:50:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:50:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:50:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 15:50:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 15:50:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2024-11-13 15:50:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-13 15:50:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-11-13 15:50:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2024-11-13 15:50:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2024-11-13 15:50:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2024-11-13 15:50:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-11-13 15:50:46,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:50:46,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363632207] [2024-11-13 15:50:46,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363632207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:50:46,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:50:46,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:50:46,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550230858] [2024-11-13 15:50:46,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:50:46,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:50:46,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:50:46,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:50:46,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:50:46,057 INFO L87 Difference]: Start difference. First operand 19007 states and 26778 transitions. Second operand has 8 states, 8 states have (on average 72.125) internal successors, (577), 8 states have internal predecessors, (577), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 15:50:46,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:50:46,867 INFO L93 Difference]: Finished difference Result 36647 states and 51937 transitions. [2024-11-13 15:50:46,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:50:46,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 72.125) internal successors, (577), 8 states have internal predecessors, (577), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 827 [2024-11-13 15:50:46,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:50:46,905 INFO L225 Difference]: With dead ends: 36647 [2024-11-13 15:50:46,905 INFO L226 Difference]: Without dead ends: 26521 [2024-11-13 15:50:46,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 15:50:46,922 INFO L432 NwaCegarLoop]: 1292 mSDtfsCounter, 3257 mSDsluCounter, 6415 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3265 SdHoareTripleChecker+Valid, 7707 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:50:46,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3265 Valid, 7707 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 15:50:46,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26521 states. [2024-11-13 15:50:47,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26521 to 20199. [2024-11-13 15:50:47,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20199 states, 19695 states have (on average 1.3905052043665904) internal successors, (27386), 19695 states have internal predecessors, (27386), 502 states have call successors, (502), 1 states have call predecessors, (502), 1 states have return successors, (502), 502 states have call predecessors, (502), 502 states have call successors, (502) [2024-11-13 15:50:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 28390 transitions. [2024-11-13 15:50:47,696 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 28390 transitions. Word has length 827 [2024-11-13 15:50:47,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:50:47,696 INFO L471 AbstractCegarLoop]: Abstraction has 20199 states and 28390 transitions. [2024-11-13 15:50:47,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 72.125) internal successors, (577), 8 states have internal predecessors, (577), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-13 15:50:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 28390 transitions. [2024-11-13 15:50:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2024-11-13 15:50:47,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:50:47,727 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:50:47,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-13 15:50:47,727 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:50:47,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:50:47,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1385321398, now seen corresponding path program 1 times [2024-11-13 15:50:47,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:50:47,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277637562] [2024-11-13 15:50:47,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:50:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:50:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:50:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:50:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:50:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:50:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:50:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:50:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 15:50:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 15:50:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2024-11-13 15:50:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-13 15:50:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-11-13 15:50:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2024-11-13 15:50:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2024-11-13 15:50:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2024-11-13 15:50:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:50:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-11-13 15:50:56,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:50:56,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277637562] [2024-11-13 15:50:56,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277637562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:50:56,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:50:56,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:50:56,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253561055] [2024-11-13 15:50:56,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:50:56,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:50:56,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:50:56,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:50:56,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:50:56,741 INFO L87 Difference]: Start difference. First operand 20199 states and 28390 transitions. Second operand has 8 states, 8 states have (on average 75.625) internal successors, (605), 8 states have internal predecessors, (605), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:50:59,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:50:59,320 INFO L93 Difference]: Finished difference Result 46253 states and 65426 transitions. [2024-11-13 15:50:59,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:50:59,321 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 75.625) internal successors, (605), 8 states have internal predecessors, (605), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 827 [2024-11-13 15:50:59,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:50:59,351 INFO L225 Difference]: With dead ends: 46253 [2024-11-13 15:50:59,351 INFO L226 Difference]: Without dead ends: 36479 [2024-11-13 15:50:59,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:50:59,364 INFO L432 NwaCegarLoop]: 2130 mSDtfsCounter, 2273 mSDsluCounter, 9125 mSDsCounter, 0 mSdLazyCounter, 2249 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2280 SdHoareTripleChecker+Valid, 11255 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:50:59,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2280 Valid, 11255 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2249 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 15:50:59,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36479 states. [2024-11-13 15:51:00,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36479 to 29107. [2024-11-13 15:51:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29107 states, 28328 states have (on average 1.3911677492233832) internal successors, (39409), 28328 states have internal predecessors, (39409), 777 states have call successors, (777), 1 states have call predecessors, (777), 1 states have return successors, (777), 777 states have call predecessors, (777), 777 states have call successors, (777) [2024-11-13 15:51:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29107 states to 29107 states and 40963 transitions. [2024-11-13 15:51:00,288 INFO L78 Accepts]: Start accepts. Automaton has 29107 states and 40963 transitions. Word has length 827 [2024-11-13 15:51:00,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:51:00,288 INFO L471 AbstractCegarLoop]: Abstraction has 29107 states and 40963 transitions. [2024-11-13 15:51:00,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 75.625) internal successors, (605), 8 states have internal predecessors, (605), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-13 15:51:00,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29107 states and 40963 transitions. [2024-11-13 15:51:00,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2024-11-13 15:51:00,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:51:00,329 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:51:00,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-11-13 15:51:00,329 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:51:00,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:51:00,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1937664879, now seen corresponding path program 1 times [2024-11-13 15:51:00,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:51:00,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040296918] [2024-11-13 15:51:00,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:51:00,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:51:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 15:51:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:51:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:51:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:51:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:51:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:51:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 15:51:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2024-11-13 15:51:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2024-11-13 15:51:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2024-11-13 15:51:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-11-13 15:51:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2024-11-13 15:51:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2024-11-13 15:51:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2024-11-13 15:51:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2024-11-13 15:51:09,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:51:09,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040296918] [2024-11-13 15:51:09,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040296918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:51:09,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:51:09,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:51:09,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225575122] [2024-11-13 15:51:09,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:51:09,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:51:09,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:51:09,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:51:09,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:51:09,082 INFO L87 Difference]: Start difference. First operand 29107 states and 40963 transitions. Second operand has 8 states, 8 states have (on average 71.875) internal successors, (575), 8 states have internal predecessors, (575), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 15:51:10,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:51:10,865 INFO L93 Difference]: Finished difference Result 62644 states and 88699 transitions. [2024-11-13 15:51:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:51:10,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 71.875) internal successors, (575), 8 states have internal predecessors, (575), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 827 [2024-11-13 15:51:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:51:10,904 INFO L225 Difference]: With dead ends: 62644 [2024-11-13 15:51:10,904 INFO L226 Difference]: Without dead ends: 47299 [2024-11-13 15:51:10,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:51:10,917 INFO L432 NwaCegarLoop]: 2834 mSDtfsCounter, 3202 mSDsluCounter, 11939 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 14773 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:51:10,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3209 Valid, 14773 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 15:51:10,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47299 states. [2024-11-13 15:51:11,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47299 to 30499. [2024-11-13 15:51:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30499 states, 29668 states have (on average 1.390218417149791) internal successors, (41245), 29668 states have internal predecessors, (41245), 829 states have call successors, (829), 1 states have call predecessors, (829), 1 states have return successors, (829), 829 states have call predecessors, (829), 829 states have call successors, (829) [2024-11-13 15:51:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30499 states to 30499 states and 42903 transitions. [2024-11-13 15:51:11,732 INFO L78 Accepts]: Start accepts. Automaton has 30499 states and 42903 transitions. Word has length 827 [2024-11-13 15:51:11,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:51:11,732 INFO L471 AbstractCegarLoop]: Abstraction has 30499 states and 42903 transitions. [2024-11-13 15:51:11,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 71.875) internal successors, (575), 8 states have internal predecessors, (575), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-13 15:51:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 30499 states and 42903 transitions. [2024-11-13 15:51:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 829 [2024-11-13 15:51:11,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:51:11,767 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:51:11,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-11-13 15:51:11,767 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:51:11,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:51:11,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1512689363, now seen corresponding path program 1 times [2024-11-13 15:51:11,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:51:11,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067226748] [2024-11-13 15:51:11,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:51:11,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:51:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:51:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:51:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:51:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:51:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 15:51:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:51:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:51:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2024-11-13 15:51:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2024-11-13 15:51:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2024-11-13 15:51:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2024-11-13 15:51:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2024-11-13 15:51:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2024-11-13 15:51:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2024-11-13 15:51:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 263 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:51:22,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:51:22,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067226748] [2024-11-13 15:51:22,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067226748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:51:22,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125280669] [2024-11-13 15:51:22,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:51:22,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:51:22,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:51:22,545 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:51:22,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:51:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:51:28,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 4367 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 15:51:28,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:51:30,887 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 241 proven. 75 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 15:51:30,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:51:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 189 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:51:32,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125280669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:51:32,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:51:32,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 10] total 27 [2024-11-13 15:51:32,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500863982] [2024-11-13 15:51:32,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:51:32,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 15:51:32,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:51:32,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 15:51:32,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2024-11-13 15:51:32,782 INFO L87 Difference]: Start difference. First operand 30499 states and 42903 transitions. Second operand has 27 states, 27 states have (on average 64.66666666666667) internal successors, (1746), 27 states have internal predecessors, (1746), 10 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-13 15:51:49,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:51:49,903 INFO L93 Difference]: Finished difference Result 97460 states and 139054 transitions. [2024-11-13 15:51:49,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-13 15:51:49,904 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 64.66666666666667) internal successors, (1746), 27 states have internal predecessors, (1746), 10 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) Word has length 828 [2024-11-13 15:51:49,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:51:49,976 INFO L225 Difference]: With dead ends: 97460 [2024-11-13 15:51:49,977 INFO L226 Difference]: Without dead ends: 86360 [2024-11-13 15:51:50,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1733 GetRequests, 1666 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1070 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=713, Invalid=3979, Unknown=0, NotChecked=0, Total=4692 [2024-11-13 15:51:50,002 INFO L432 NwaCegarLoop]: 3918 mSDtfsCounter, 14898 mSDsluCounter, 54953 mSDsCounter, 0 mSdLazyCounter, 19955 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14912 SdHoareTripleChecker+Valid, 58871 SdHoareTripleChecker+Invalid, 19997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 19955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:51:50,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14912 Valid, 58871 Invalid, 19997 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [42 Valid, 19955 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2024-11-13 15:51:50,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86360 states. [2024-11-13 15:51:51,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86360 to 34564. [2024-11-13 15:51:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34564 states, 33544 states have (on average 1.3834963033627474) internal successors, (46408), 33544 states have internal predecessors, (46408), 1018 states have call successors, (1018), 1 states have call predecessors, (1018), 1 states have return successors, (1018), 1018 states have call predecessors, (1018), 1018 states have call successors, (1018) [2024-11-13 15:51:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34564 states to 34564 states and 48444 transitions. [2024-11-13 15:51:51,227 INFO L78 Accepts]: Start accepts. Automaton has 34564 states and 48444 transitions. Word has length 828 [2024-11-13 15:51:51,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:51:51,227 INFO L471 AbstractCegarLoop]: Abstraction has 34564 states and 48444 transitions. [2024-11-13 15:51:51,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 64.66666666666667) internal successors, (1746), 27 states have internal predecessors, (1746), 10 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 10 states have call predecessors, (41), 10 states have call successors, (41) [2024-11-13 15:51:51,228 INFO L276 IsEmpty]: Start isEmpty. Operand 34564 states and 48444 transitions. [2024-11-13 15:51:51,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 831 [2024-11-13 15:51:51,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:51:51,260 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:51:51,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:51:51,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-13 15:51:51,460 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:51:51,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:51:51,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1097170392, now seen corresponding path program 1 times [2024-11-13 15:51:51,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:51:51,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555025347] [2024-11-13 15:51:51,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:51:51,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:51:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:52:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:52:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 15:52:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 15:52:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 15:52:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 15:52:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-11-13 15:52:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2024-11-13 15:52:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2024-11-13 15:52:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2024-11-13 15:52:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2024-11-13 15:52:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2024-11-13 15:52:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2024-11-13 15:52:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2024-11-13 15:52:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 197 proven. 67 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:52:03,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:52:03,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555025347] [2024-11-13 15:52:03,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555025347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:52:03,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62470035] [2024-11-13 15:52:03,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:52:03,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:52:03,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:52:03,531 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:52:03,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:52:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:10,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 4373 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:52:10,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:52:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-11-13 15:52:10,185 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:52:10,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62470035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:52:10,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:52:10,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-13 15:52:10,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017583791] [2024-11-13 15:52:10,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:52:10,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:52:10,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:52:10,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:52:10,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:52:10,188 INFO L87 Difference]: Start difference. First operand 34564 states and 48444 transitions. Second operand has 6 states, 5 states have (on average 112.4) internal successors, (562), 6 states have internal predecessors, (562), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 15:52:11,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:52:11,508 INFO L93 Difference]: Finished difference Result 65369 states and 91694 transitions. [2024-11-13 15:52:11,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:52:11,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 112.4) internal successors, (562), 6 states have internal predecessors, (562), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 830 [2024-11-13 15:52:11,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:52:11,547 INFO L225 Difference]: With dead ends: 65369 [2024-11-13 15:52:11,547 INFO L226 Difference]: Without dead ends: 34564 [2024-11-13 15:52:11,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 855 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:52:11,567 INFO L432 NwaCegarLoop]: 1308 mSDtfsCounter, 0 mSDsluCounter, 5209 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6517 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:52:11,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6517 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:52:11,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34564 states. [2024-11-13 15:52:12,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34564 to 34564. [2024-11-13 15:52:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34564 states, 33544 states have (on average 1.380813260195564) internal successors, (46318), 33544 states have internal predecessors, (46318), 1018 states have call successors, (1018), 1 states have call predecessors, (1018), 1 states have return successors, (1018), 1018 states have call predecessors, (1018), 1018 states have call successors, (1018) [2024-11-13 15:52:12,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34564 states to 34564 states and 48354 transitions. [2024-11-13 15:52:12,342 INFO L78 Accepts]: Start accepts. Automaton has 34564 states and 48354 transitions. Word has length 830 [2024-11-13 15:52:12,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:52:12,342 INFO L471 AbstractCegarLoop]: Abstraction has 34564 states and 48354 transitions. [2024-11-13 15:52:12,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 112.4) internal successors, (562), 6 states have internal predecessors, (562), 3 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 15:52:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 34564 states and 48354 transitions. [2024-11-13 15:52:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2024-11-13 15:52:12,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:52:12,372 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:52:12,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 15:52:12,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:52:12,573 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:52:12,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:52:12,573 INFO L85 PathProgramCache]: Analyzing trace with hash -444863208, now seen corresponding path program 1 times [2024-11-13 15:52:12,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:52:12,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745244314] [2024-11-13 15:52:12,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:52:12,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:52:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:52:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:52:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:52:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:52:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:52:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:52:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:52:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-13 15:52:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2024-11-13 15:52:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-13 15:52:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-13 15:52:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2024-11-13 15:52:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2024-11-13 15:52:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2024-11-13 15:52:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 215 proven. 1 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-11-13 15:52:20,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:52:20,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745244314] [2024-11-13 15:52:20,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745244314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:52:20,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017311898] [2024-11-13 15:52:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:52:20,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:52:20,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:52:20,578 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:52:20,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:52:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:27,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 4379 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 15:52:27,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:52:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-13 15:52:27,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:52:27,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017311898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:52:27,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:52:27,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-13 15:52:27,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905500674] [2024-11-13 15:52:27,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:52:27,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:52:27,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:52:27,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:52:27,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-13 15:52:27,975 INFO L87 Difference]: Start difference. First operand 34564 states and 48354 transitions. Second operand has 8 states, 8 states have (on average 95.625) internal successors, (765), 8 states have internal predecessors, (765), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:52:30,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:52:30,445 INFO L93 Difference]: Finished difference Result 70643 states and 98891 transitions. [2024-11-13 15:52:30,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:52:30,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 95.625) internal successors, (765), 8 states have internal predecessors, (765), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 832 [2024-11-13 15:52:30,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:52:30,507 INFO L225 Difference]: With dead ends: 70643 [2024-11-13 15:52:30,507 INFO L226 Difference]: Without dead ends: 54176 [2024-11-13 15:52:30,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 870 GetRequests, 856 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:52:30,534 INFO L432 NwaCegarLoop]: 1019 mSDtfsCounter, 4139 mSDsluCounter, 3875 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4153 SdHoareTripleChecker+Valid, 4894 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 15:52:30,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4153 Valid, 4894 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 15:52:30,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54176 states. [2024-11-13 15:52:32,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54176 to 52532. [2024-11-13 15:52:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52532 states, 50824 states have (on average 1.3743900519439636) internal successors, (69852), 50824 states have internal predecessors, (69852), 1706 states have call successors, (1706), 1 states have call predecessors, (1706), 1 states have return successors, (1706), 1706 states have call predecessors, (1706), 1706 states have call successors, (1706) [2024-11-13 15:52:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52532 states to 52532 states and 73264 transitions. [2024-11-13 15:52:32,486 INFO L78 Accepts]: Start accepts. Automaton has 52532 states and 73264 transitions. Word has length 832 [2024-11-13 15:52:32,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:52:32,487 INFO L471 AbstractCegarLoop]: Abstraction has 52532 states and 73264 transitions. [2024-11-13 15:52:32,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 95.625) internal successors, (765), 8 states have internal predecessors, (765), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:52:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 52532 states and 73264 transitions. [2024-11-13 15:52:32,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2024-11-13 15:52:32,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:52:32,548 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:52:32,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 15:52:32,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:52:32,748 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:52:32,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:52:32,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1142766234, now seen corresponding path program 1 times [2024-11-13 15:52:32,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:52:32,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70556673] [2024-11-13 15:52:32,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:52:32,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:52:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:52:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:52:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:52:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:52:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:52:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:52:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:52:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2024-11-13 15:52:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2024-11-13 15:52:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2024-11-13 15:52:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2024-11-13 15:52:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2024-11-13 15:52:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2024-11-13 15:52:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2024-11-13 15:52:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-11-13 15:52:34,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:52:34,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70556673] [2024-11-13 15:52:34,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70556673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:52:34,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:52:34,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:52:34,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933727887] [2024-11-13 15:52:34,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:52:34,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:52:34,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:52:34,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:52:34,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:52:34,761 INFO L87 Difference]: Start difference. First operand 52532 states and 73264 transitions. Second operand has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:52:36,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:52:36,403 INFO L93 Difference]: Finished difference Result 76145 states and 106856 transitions. [2024-11-13 15:52:36,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:52:36,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 832 [2024-11-13 15:52:36,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:52:36,463 INFO L225 Difference]: With dead ends: 76145 [2024-11-13 15:52:36,463 INFO L226 Difference]: Without dead ends: 53360 [2024-11-13 15:52:36,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:52:36,487 INFO L432 NwaCegarLoop]: 1313 mSDtfsCounter, 16 mSDsluCounter, 3927 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 5240 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:52:36,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 5240 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:52:36,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53360 states. [2024-11-13 15:52:38,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53360 to 53360. [2024-11-13 15:52:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53360 states, 51652 states have (on average 1.3750096801672733) internal successors, (71022), 51652 states have internal predecessors, (71022), 1706 states have call successors, (1706), 1 states have call predecessors, (1706), 1 states have return successors, (1706), 1706 states have call predecessors, (1706), 1706 states have call successors, (1706) [2024-11-13 15:52:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53360 states to 53360 states and 74434 transitions. [2024-11-13 15:52:38,355 INFO L78 Accepts]: Start accepts. Automaton has 53360 states and 74434 transitions. Word has length 832 [2024-11-13 15:52:38,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:52:38,355 INFO L471 AbstractCegarLoop]: Abstraction has 53360 states and 74434 transitions. [2024-11-13 15:52:38,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.6) internal successors, (603), 5 states have internal predecessors, (603), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:52:38,355 INFO L276 IsEmpty]: Start isEmpty. Operand 53360 states and 74434 transitions. [2024-11-13 15:52:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2024-11-13 15:52:38,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:52:38,469 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:52:38,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-11-13 15:52:38,470 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:52:38,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:52:38,470 INFO L85 PathProgramCache]: Analyzing trace with hash -389118784, now seen corresponding path program 1 times [2024-11-13 15:52:38,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:52:38,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094476123] [2024-11-13 15:52:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:52:38,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:52:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:52:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:52:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:52:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:52:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:52:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:52:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:52:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 15:52:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-11-13 15:52:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-13 15:52:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-11-13 15:52:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-11-13 15:52:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2024-11-13 15:52:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2024-11-13 15:52:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 197 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:52:51,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:52:51,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094476123] [2024-11-13 15:52:51,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094476123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:52:51,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249498397] [2024-11-13 15:52:51,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:52:51,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:52:51,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:52:51,151 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:52:51,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:52:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:52:56,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 4382 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 15:52:56,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:52:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 255 proven. 10 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:52:57,462 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:52:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 15:52:58,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249498397] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 15:52:58,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:52:58,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9, 8] total 20 [2024-11-13 15:52:58,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656133751] [2024-11-13 15:52:58,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:52:58,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:52:58,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:52:58,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:52:58,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2024-11-13 15:52:58,408 INFO L87 Difference]: Start difference. First operand 53360 states and 74434 transitions. Second operand has 7 states, 7 states have (on average 109.42857142857143) internal successors, (766), 7 states have internal predecessors, (766), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:53:00,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:53:00,042 INFO L93 Difference]: Finished difference Result 84250 states and 117969 transitions. [2024-11-13 15:53:00,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:53:00,042 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 109.42857142857143) internal successors, (766), 7 states have internal predecessors, (766), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 833 [2024-11-13 15:53:00,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:53:00,103 INFO L225 Difference]: With dead ends: 84250 [2024-11-13 15:53:00,103 INFO L226 Difference]: Without dead ends: 68809 [2024-11-13 15:53:00,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1704 GetRequests, 1684 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:53:00,121 INFO L432 NwaCegarLoop]: 2354 mSDtfsCounter, 838 mSDsluCounter, 10703 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 13057 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:53:00,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 13057 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:53:00,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68809 states. [2024-11-13 15:53:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68809 to 67121. [2024-11-13 15:53:02,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67121 states, 65083 states have (on average 1.3777791435551527) internal successors, (89670), 65083 states have internal predecessors, (89670), 2036 states have call successors, (2036), 1 states have call predecessors, (2036), 1 states have return successors, (2036), 2036 states have call predecessors, (2036), 2036 states have call successors, (2036) [2024-11-13 15:53:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67121 states to 67121 states and 93742 transitions. [2024-11-13 15:53:02,384 INFO L78 Accepts]: Start accepts. Automaton has 67121 states and 93742 transitions. Word has length 833 [2024-11-13 15:53:02,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:53:02,385 INFO L471 AbstractCegarLoop]: Abstraction has 67121 states and 93742 transitions. [2024-11-13 15:53:02,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.42857142857143) internal successors, (766), 7 states have internal predecessors, (766), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:53:02,385 INFO L276 IsEmpty]: Start isEmpty. Operand 67121 states and 93742 transitions. [2024-11-13 15:53:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2024-11-13 15:53:02,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:53:02,467 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:53:02,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:53:02,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:53:02,668 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:53:02,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:53:02,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1936414612, now seen corresponding path program 1 times [2024-11-13 15:53:02,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:53:02,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967353310] [2024-11-13 15:53:02,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:53:02,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:53:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:53:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:53:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:53:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:53:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:53:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:53:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:53:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 15:53:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-11-13 15:53:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-13 15:53:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-11-13 15:53:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-11-13 15:53:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2024-11-13 15:53:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2024-11-13 15:53:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2024-11-13 15:53:13,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:53:13,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967353310] [2024-11-13 15:53:13,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967353310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:53:13,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:53:13,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:53:13,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997806233] [2024-11-13 15:53:13,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:53:13,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:53:13,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:53:13,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:53:13,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:53:13,359 INFO L87 Difference]: Start difference. First operand 67121 states and 93742 transitions. Second operand has 7 states, 7 states have (on average 108.71428571428571) internal successors, (761), 7 states have internal predecessors, (761), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:53:16,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:53:16,445 INFO L93 Difference]: Finished difference Result 98027 states and 137288 transitions. [2024-11-13 15:53:16,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:53:16,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 108.71428571428571) internal successors, (761), 7 states have internal predecessors, (761), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 834 [2024-11-13 15:53:16,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:53:16,513 INFO L225 Difference]: With dead ends: 98027 [2024-11-13 15:53:16,513 INFO L226 Difference]: Without dead ends: 67361 [2024-11-13 15:53:16,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:53:16,538 INFO L432 NwaCegarLoop]: 1211 mSDtfsCounter, 992 mSDsluCounter, 4793 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 6004 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:53:16,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [992 Valid, 6004 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:53:16,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67361 states. [2024-11-13 15:53:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67361 to 67361. [2024-11-13 15:53:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67361 states, 65323 states have (on average 1.3771259740060928) internal successors, (89958), 65323 states have internal predecessors, (89958), 2036 states have call successors, (2036), 1 states have call predecessors, (2036), 1 states have return successors, (2036), 2036 states have call predecessors, (2036), 2036 states have call successors, (2036) [2024-11-13 15:53:18,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67361 states to 67361 states and 94030 transitions. [2024-11-13 15:53:18,946 INFO L78 Accepts]: Start accepts. Automaton has 67361 states and 94030 transitions. Word has length 834 [2024-11-13 15:53:18,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:53:18,947 INFO L471 AbstractCegarLoop]: Abstraction has 67361 states and 94030 transitions. [2024-11-13 15:53:18,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.71428571428571) internal successors, (761), 7 states have internal predecessors, (761), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-13 15:53:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 67361 states and 94030 transitions. [2024-11-13 15:53:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2024-11-13 15:53:19,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:53:19,018 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:53:19,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-11-13 15:53:19,019 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:53:19,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:53:19,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1392285164, now seen corresponding path program 1 times [2024-11-13 15:53:19,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:53:19,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892955084] [2024-11-13 15:53:19,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:53:19,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:53:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 15:53:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 15:53:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:53:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 15:53:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 15:53:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:53:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 15:53:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2024-11-13 15:53:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2024-11-13 15:53:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2024-11-13 15:53:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2024-11-13 15:53:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2024-11-13 15:53:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2024-11-13 15:53:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2024-11-13 15:53:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 216 proven. 1 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2024-11-13 15:53:29,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:53:29,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892955084] [2024-11-13 15:53:29,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892955084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:53:29,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604431289] [2024-11-13 15:53:29,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:53:29,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:53:29,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:53:29,901 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:53:29,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fadca6e5-6716-48de-8c9e-4f60d87faf91/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 15:53:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:53:36,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 4381 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:53:36,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:53:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-13 15:53:36,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:53:36,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604431289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:53:36,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:53:36,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-13 15:53:36,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668836450] [2024-11-13 15:53:36,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:53:36,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:53:36,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:53:36,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:53:36,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:53:36,154 INFO L87 Difference]: Start difference. First operand 67361 states and 94030 transitions. Second operand has 6 states, 5 states have (on average 142.2) internal successors, (711), 6 states have internal predecessors, (711), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9)