./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_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_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/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_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/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_cc911c2e-0c6d-406b-908b-cc6d117db332/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 f5c801d8b5fdcf1fd707667b6be50e997a7c221fe0e8db87ec272b7b1d4545f6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:12:08,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:12:08,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 14:12:08,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:12:08,743 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:12:08,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:12:08,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:12:08,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:12:08,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:12:08,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:12:08,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:12:08,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:12:08,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:12:08,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:12:08,787 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:12:08,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:12:08,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:12:08,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:12:08,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:12:08,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:12:08,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:12:08,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:12:08,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:12:08,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:12:08,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:12:08,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:12:08,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:12:08,788 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:12:08,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:12:08,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:12:08,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:12:08,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:12:08,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:12:08,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:12:08,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:12:08,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:12:08,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:12:08,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:12:08,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:12:08,791 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_cc911c2e-0c6d-406b-908b-cc6d117db332/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 -> f5c801d8b5fdcf1fd707667b6be50e997a7c221fe0e8db87ec272b7b1d4545f6 [2024-11-13 14:12:09,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:12:09,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:12:09,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:12:09,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:12:09,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:12:09,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c Unable to find full path for "g++" [2024-11-13 14:12:10,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:12:11,342 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:12:11,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c [2024-11-13 14:12:11,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/data/3a036ce29/244078e8d7c24dff91b8b0cf9bd768cb/FLAG8d0527777 [2024-11-13 14:12:11,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/data/3a036ce29/244078e8d7c24dff91b8b0cf9bd768cb [2024-11-13 14:12:11,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:12:11,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:12:11,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:12:11,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:12:11,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:12:11,395 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:12:11" (1/1) ... [2024-11-13 14:12:11,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e87828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:11, skipping insertion in model container [2024-11-13 14:12:11,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:12:11" (1/1) ... [2024-11-13 14:12:11,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:12:11,657 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_cc911c2e-0c6d-406b-908b-cc6d117db332/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c[1324,1337] [2024-11-13 14:12:12,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:12:12,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:12:12,140 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_cc911c2e-0c6d-406b-908b-cc6d117db332/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c[1324,1337] [2024-11-13 14:12:12,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:12:12,330 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:12:12,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12 WrapperNode [2024-11-13 14:12:12,331 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:12:12,332 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:12:12,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:12:12,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:12:12,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:12,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:12,851 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4974 [2024-11-13 14:12:12,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:12:12,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:12:12,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:12:12,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:12:12,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:12,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:12,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,116 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 14:12:13,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:12:13,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:12:13,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:12:13,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:12:13,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (1/1) ... [2024-11-13 14:12:13,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:12:13,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:12:13,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:12:13,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:12:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:12:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:12:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:12:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:12:13,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:12:13,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:12:14,212 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:12:14,214 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:12:22,088 INFO L? ?]: Removed 2628 outVars from TransFormulas that were not future-live. [2024-11-13 14:12:22,088 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:12:22,153 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:12:22,156 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:12:22,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:12:22 BoogieIcfgContainer [2024-11-13 14:12:22,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:12:22,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:12:22,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:12:22,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:12:22,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:12:11" (1/3) ... [2024-11-13 14:12:22,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d41843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:12:22, skipping insertion in model container [2024-11-13 14:12:22,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:12:12" (2/3) ... [2024-11-13 14:12:22,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60d41843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:12:22, skipping insertion in model container [2024-11-13 14:12:22,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:12:22" (3/3) ... [2024-11-13 14:12:22,169 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c [2024-11-13 14:12:22,187 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:12:22,190 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.arbitrated_top_n2_w64_d8_e0.c that has 2 procedures, 1672 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:12:22,306 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:12:22,320 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;@66cdf50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:12:22,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:12:22,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 1672 states, 1662 states have (on average 1.4969915764139592) internal successors, (2488), 1663 states have internal predecessors, (2488), 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 14:12:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-11-13 14:12:22,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:22,399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:22,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:22,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:22,407 INFO L85 PathProgramCache]: Analyzing trace with hash 591850571, now seen corresponding path program 1 times [2024-11-13 14:12:22,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:22,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442329906] [2024-11-13 14:12:22,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:22,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:23,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:23,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:23,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:23,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:23,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:23,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:23,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:23,813 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 14:12:23,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:23,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442329906] [2024-11-13 14:12:23,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442329906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:23,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:23,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:12:23,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876617698] [2024-11-13 14:12:23,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:23,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:12:23,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:23,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:12:23,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:12:23,863 INFO L87 Difference]: Start difference. First operand has 1672 states, 1662 states have (on average 1.4969915764139592) internal successors, (2488), 1663 states have internal predecessors, (2488), 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 339.5) internal successors, (679), 2 states have internal predecessors, (679), 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 14:12:23,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:23,995 INFO L93 Difference]: Finished difference Result 3223 states and 4833 transitions. [2024-11-13 14:12:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:12:23,997 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 339.5) internal successors, (679), 2 states have internal predecessors, (679), 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 711 [2024-11-13 14:12:23,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:24,014 INFO L225 Difference]: With dead ends: 3223 [2024-11-13 14:12:24,014 INFO L226 Difference]: Without dead ends: 1669 [2024-11-13 14:12:24,021 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 14:12:24,023 INFO L432 NwaCegarLoop]: 2497 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, 2497 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 14:12:24,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2497 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:12:24,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-11-13 14:12:24,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2024-11-13 14:12:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1660 states have (on average 1.4957831325301205) internal successors, (2483), 1660 states have internal predecessors, (2483), 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 14:12:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2497 transitions. [2024-11-13 14:12:24,142 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2497 transitions. Word has length 711 [2024-11-13 14:12:24,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:24,143 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2497 transitions. [2024-11-13 14:12:24,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 339.5) internal successors, (679), 2 states have internal predecessors, (679), 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 14:12:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2497 transitions. [2024-11-13 14:12:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2024-11-13 14:12:24,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:24,168 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:24,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:12:24,169 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:24,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:24,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1477235971, now seen corresponding path program 1 times [2024-11-13 14:12:24,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:24,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293783354] [2024-11-13 14:12:24,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:24,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:29,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:29,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:29,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:29,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:29,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:29,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:29,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:29,221 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 14:12:29,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:29,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293783354] [2024-11-13 14:12:29,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293783354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:29,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:29,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:12:29,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967171470] [2024-11-13 14:12:29,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:29,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:12:29,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:29,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:12:29,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:12:29,228 INFO L87 Difference]: Start difference. First operand 1669 states and 2497 transitions. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 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 14:12:29,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:29,360 INFO L93 Difference]: Finished difference Result 1673 states and 2501 transitions. [2024-11-13 14:12:29,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:12:29,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 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 711 [2024-11-13 14:12:29,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:29,375 INFO L225 Difference]: With dead ends: 1673 [2024-11-13 14:12:29,376 INFO L226 Difference]: Without dead ends: 1671 [2024-11-13 14:12:29,377 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 14:12:29,378 INFO L432 NwaCegarLoop]: 2495 mSDtfsCounter, 0 mSDsluCounter, 4984 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7479 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 14:12:29,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7479 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:12:29,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-11-13 14:12:29,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2024-11-13 14:12:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1662 states have (on average 1.4951865222623346) internal successors, (2485), 1662 states have internal predecessors, (2485), 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 14:12:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2499 transitions. [2024-11-13 14:12:29,462 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2499 transitions. Word has length 711 [2024-11-13 14:12:29,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:29,467 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2499 transitions. [2024-11-13 14:12:29,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 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 14:12:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2499 transitions. [2024-11-13 14:12:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2024-11-13 14:12:29,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:29,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:29,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:12:29,489 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:29,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:29,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1452024638, now seen corresponding path program 1 times [2024-11-13 14:12:29,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:29,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168100702] [2024-11-13 14:12:29,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:29,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:32,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:32,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:32,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:32,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:32,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:32,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:32,178 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 14:12:32,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:32,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168100702] [2024-11-13 14:12:32,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168100702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:32,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:32,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:12:32,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827411237] [2024-11-13 14:12:32,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:32,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:12:32,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:32,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:12:32,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:12:32,185 INFO L87 Difference]: Start difference. First operand 1671 states and 2499 transitions. Second operand has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 1 states have call successors, (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 14:12:33,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:33,384 INFO L93 Difference]: Finished difference Result 4655 states and 6967 transitions. [2024-11-13 14:12:33,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:12:33,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 1 states have call successors, (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 712 [2024-11-13 14:12:33,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:33,394 INFO L225 Difference]: With dead ends: 4655 [2024-11-13 14:12:33,395 INFO L226 Difference]: Without dead ends: 1671 [2024-11-13 14:12:33,398 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 14:12:33,399 INFO L432 NwaCegarLoop]: 2593 mSDtfsCounter, 5792 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5792 SdHoareTripleChecker+Valid, 7391 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:33,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5792 Valid, 7391 Invalid, 545 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [63 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:12:33,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-11-13 14:12:33,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2024-11-13 14:12:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1662 states have (on average 1.4945848375451263) internal successors, (2484), 1662 states have internal predecessors, (2484), 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 14:12:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2498 transitions. [2024-11-13 14:12:33,445 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2498 transitions. Word has length 712 [2024-11-13 14:12:33,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:33,445 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2498 transitions. [2024-11-13 14:12:33,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.0) internal successors, (680), 5 states have internal predecessors, (680), 1 states have call successors, (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 14:12:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2498 transitions. [2024-11-13 14:12:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2024-11-13 14:12:33,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:33,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:33,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:12:33,465 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:33,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:33,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1014899390, now seen corresponding path program 1 times [2024-11-13 14:12:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:33,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23025187] [2024-11-13 14:12:33,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:33,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:35,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:35,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:35,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:35,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:35,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:35,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:35,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:35,214 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 14:12:35,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:35,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23025187] [2024-11-13 14:12:35,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23025187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:35,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:35,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:12:35,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790378804] [2024-11-13 14:12:35,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:35,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:12:35,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:35,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:12:35,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:12:35,220 INFO L87 Difference]: Start difference. First operand 1671 states and 2498 transitions. Second operand has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 1 states have call successors, (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 14:12:36,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:36,018 INFO L93 Difference]: Finished difference Result 3224 states and 4820 transitions. [2024-11-13 14:12:36,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:12:36,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 1 states have call successors, (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 713 [2024-11-13 14:12:36,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:36,027 INFO L225 Difference]: With dead ends: 3224 [2024-11-13 14:12:36,027 INFO L226 Difference]: Without dead ends: 1671 [2024-11-13 14:12:36,030 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 14:12:36,031 INFO L432 NwaCegarLoop]: 2183 mSDtfsCounter, 4290 mSDsluCounter, 2185 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4297 SdHoareTripleChecker+Valid, 4368 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:36,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4297 Valid, 4368 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:12:36,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-11-13 14:12:36,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1671. [2024-11-13 14:12:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1662 states have (on average 1.4939831528279182) internal successors, (2483), 1662 states have internal predecessors, (2483), 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 14:12:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2497 transitions. [2024-11-13 14:12:36,086 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2497 transitions. Word has length 713 [2024-11-13 14:12:36,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:36,087 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2497 transitions. [2024-11-13 14:12:36,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 1 states have call successors, (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 14:12:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2497 transitions. [2024-11-13 14:12:36,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2024-11-13 14:12:36,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:36,115 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:36,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:12:36,115 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:36,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:36,116 INFO L85 PathProgramCache]: Analyzing trace with hash 644109171, now seen corresponding path program 1 times [2024-11-13 14:12:36,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:36,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544160070] [2024-11-13 14:12:36,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:36,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:37,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:37,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:37,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:37,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:37,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:37,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:37,826 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 14:12:37,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:37,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544160070] [2024-11-13 14:12:37,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544160070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:37,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:37,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:12:37,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362666012] [2024-11-13 14:12:37,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:37,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:12:37,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:37,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:12:37,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:12:37,835 INFO L87 Difference]: Start difference. First operand 1671 states and 2497 transitions. Second operand has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 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 14:12:37,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:37,933 INFO L93 Difference]: Finished difference Result 3226 states and 4821 transitions. [2024-11-13 14:12:37,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:12:37,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 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 714 [2024-11-13 14:12:37,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:37,943 INFO L225 Difference]: With dead ends: 3226 [2024-11-13 14:12:37,943 INFO L226 Difference]: Without dead ends: 1673 [2024-11-13 14:12:37,945 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 14:12:37,948 INFO L432 NwaCegarLoop]: 2493 mSDtfsCounter, 0 mSDsluCounter, 4976 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7469 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 14:12:37,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7469 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:12:37,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2024-11-13 14:12:37,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673. [2024-11-13 14:12:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1664 states have (on average 1.4933894230769231) internal successors, (2485), 1664 states have internal predecessors, (2485), 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 14:12:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2499 transitions. [2024-11-13 14:12:37,994 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2499 transitions. Word has length 714 [2024-11-13 14:12:37,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:37,996 INFO L471 AbstractCegarLoop]: Abstraction has 1673 states and 2499 transitions. [2024-11-13 14:12:37,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 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 14:12:37,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2499 transitions. [2024-11-13 14:12:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2024-11-13 14:12:38,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:38,004 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:38,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:12:38,005 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:38,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:38,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1689553505, now seen corresponding path program 1 times [2024-11-13 14:12:38,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:38,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639191137] [2024-11-13 14:12:38,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:38,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:40,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:40,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:40,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:40,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:40,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:40,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:40,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:40,783 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 14:12:40,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:40,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639191137] [2024-11-13 14:12:40,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639191137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:40,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:40,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:12:40,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930219054] [2024-11-13 14:12:40,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:40,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:12:40,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:40,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:12:40,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:12:40,788 INFO L87 Difference]: Start difference. First operand 1673 states and 2499 transitions. Second operand has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 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 14:12:40,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:40,997 INFO L93 Difference]: Finished difference Result 3227 states and 4821 transitions. [2024-11-13 14:12:40,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:12:40,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 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 715 [2024-11-13 14:12:40,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:41,005 INFO L225 Difference]: With dead ends: 3227 [2024-11-13 14:12:41,005 INFO L226 Difference]: Without dead ends: 1672 [2024-11-13 14:12:41,007 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 14:12:41,009 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2067 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2067 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:41,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2067 Valid, 4884 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:12:41,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-13 14:12:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2024-11-13 14:12:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1663 states have (on average 1.492483463619964) internal successors, (2482), 1663 states have internal predecessors, (2482), 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 14:12:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2496 transitions. [2024-11-13 14:12:41,057 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2496 transitions. Word has length 715 [2024-11-13 14:12:41,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:41,059 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2496 transitions. [2024-11-13 14:12:41,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 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 14:12:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2496 transitions. [2024-11-13 14:12:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 717 [2024-11-13 14:12:41,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:41,067 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:41,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:12:41,068 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:41,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:41,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1113198856, now seen corresponding path program 1 times [2024-11-13 14:12:41,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:41,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561401108] [2024-11-13 14:12:41,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:41,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:42,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:42,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:42,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:42,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:42,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:42,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:42,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:42,696 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 14:12:42,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:42,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561401108] [2024-11-13 14:12:42,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561401108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:42,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:42,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:12:42,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953997635] [2024-11-13 14:12:42,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:42,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:12:42,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:42,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:12:42,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:12:42,704 INFO L87 Difference]: Start difference. First operand 1672 states and 2496 transitions. Second operand has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 1 states have call successors, (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 14:12:42,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:42,954 INFO L93 Difference]: Finished difference Result 3746 states and 5594 transitions. [2024-11-13 14:12:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:12:42,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 1 states have call successors, (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 716 [2024-11-13 14:12:42,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:42,963 INFO L225 Difference]: With dead ends: 3746 [2024-11-13 14:12:42,963 INFO L226 Difference]: Without dead ends: 1672 [2024-11-13 14:12:42,967 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 14:12:42,968 INFO L432 NwaCegarLoop]: 2480 mSDtfsCounter, 3617 mSDsluCounter, 4929 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3617 SdHoareTripleChecker+Valid, 7409 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:42,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3617 Valid, 7409 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:12:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-13 14:12:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2024-11-13 14:12:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1663 states have (on average 1.491882140709561) internal successors, (2481), 1663 states have internal predecessors, (2481), 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 14:12:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2495 transitions. [2024-11-13 14:12:43,022 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2495 transitions. Word has length 716 [2024-11-13 14:12:43,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:43,023 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2495 transitions. [2024-11-13 14:12:43,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 1 states have call successors, (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 14:12:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2495 transitions. [2024-11-13 14:12:43,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2024-11-13 14:12:43,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:43,036 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:43,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:12:43,036 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:43,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:43,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2070685183, now seen corresponding path program 1 times [2024-11-13 14:12:43,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:43,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483999913] [2024-11-13 14:12:43,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:43,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:44,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:44,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:44,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:44,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:44,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:44,371 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 14:12:44,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:44,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483999913] [2024-11-13 14:12:44,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483999913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:44,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:44,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:12:44,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416868088] [2024-11-13 14:12:44,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:44,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:12:44,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:44,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:12:44,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:12:44,375 INFO L87 Difference]: Start difference. First operand 1672 states and 2495 transitions. Second operand has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 1 states have call successors, (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 14:12:44,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:44,584 INFO L93 Difference]: Finished difference Result 3226 states and 4814 transitions. [2024-11-13 14:12:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:12:44,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 1 states have call successors, (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 717 [2024-11-13 14:12:44,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:44,592 INFO L225 Difference]: With dead ends: 3226 [2024-11-13 14:12:44,592 INFO L226 Difference]: Without dead ends: 1672 [2024-11-13 14:12:44,594 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 14:12:44,594 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2471 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2478 SdHoareTripleChecker+Valid, 4895 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:44,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2478 Valid, 4895 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:12:44,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-13 14:12:44,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2024-11-13 14:12:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1663 states have (on average 1.491280817799158) internal successors, (2480), 1663 states have internal predecessors, (2480), 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 14:12:44,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2494 transitions. [2024-11-13 14:12:44,637 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2494 transitions. Word has length 717 [2024-11-13 14:12:44,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:44,638 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2494 transitions. [2024-11-13 14:12:44,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.0) internal successors, (685), 5 states have internal predecessors, (685), 1 states have call successors, (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 14:12:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2494 transitions. [2024-11-13 14:12:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2024-11-13 14:12:44,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:44,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:44,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:12:44,646 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:44,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:44,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1443052575, now seen corresponding path program 1 times [2024-11-13 14:12:44,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:44,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217919191] [2024-11-13 14:12:44,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:44,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:45,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:45,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:45,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:45,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:45,895 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 14:12:45,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:45,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217919191] [2024-11-13 14:12:45,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217919191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:45,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:45,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:12:45,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53228961] [2024-11-13 14:12:45,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:45,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:12:45,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:45,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:12:45,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:12:45,899 INFO L87 Difference]: Start difference. First operand 1672 states and 2494 transitions. Second operand has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 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 14:12:46,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:46,093 INFO L93 Difference]: Finished difference Result 3226 states and 4812 transitions. [2024-11-13 14:12:46,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:12:46,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 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 718 [2024-11-13 14:12:46,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:46,104 INFO L225 Difference]: With dead ends: 3226 [2024-11-13 14:12:46,107 INFO L226 Difference]: Without dead ends: 1672 [2024-11-13 14:12:46,110 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 14:12:46,112 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2208 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 4895 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:46,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 4895 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:12:46,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2024-11-13 14:12:46,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2024-11-13 14:12:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1663 states have (on average 1.4906794948887552) internal successors, (2479), 1663 states have internal predecessors, (2479), 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 14:12:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2493 transitions. [2024-11-13 14:12:46,160 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2493 transitions. Word has length 718 [2024-11-13 14:12:46,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:46,161 INFO L471 AbstractCegarLoop]: Abstraction has 1672 states and 2493 transitions. [2024-11-13 14:12:46,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 137.2) internal successors, (686), 5 states have internal predecessors, (686), 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 14:12:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2493 transitions. [2024-11-13 14:12:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2024-11-13 14:12:46,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:46,170 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:46,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:12:46,171 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:46,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:46,171 INFO L85 PathProgramCache]: Analyzing trace with hash -614208223, now seen corresponding path program 1 times [2024-11-13 14:12:46,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:46,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562519256] [2024-11-13 14:12:46,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:46,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:49,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:49,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:49,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 14:12:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:49,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:12:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:12:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:49,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:12:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:49,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 14:12:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:49,059 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 14:12:49,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:49,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562519256] [2024-11-13 14:12:49,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562519256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:49,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:49,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:12:49,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88234318] [2024-11-13 14:12:49,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:49,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:12:49,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:49,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:12:49,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:12:49,063 INFO L87 Difference]: Start difference. First operand 1672 states and 2493 transitions. Second operand has 6 states, 6 states have (on average 114.5) internal successors, (687), 6 states have internal predecessors, (687), 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 14:12:49,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:49,727 INFO L93 Difference]: Finished difference Result 4865 states and 7256 transitions. [2024-11-13 14:12:49,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:12:49,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 114.5) internal successors, (687), 6 states have internal predecessors, (687), 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 719 [2024-11-13 14:12:49,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:49,738 INFO L225 Difference]: With dead ends: 4865 [2024-11-13 14:12:49,738 INFO L226 Difference]: Without dead ends: 3211 [2024-11-13 14:12:49,740 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 14:12:49,741 INFO L432 NwaCegarLoop]: 2568 mSDtfsCounter, 2357 mSDsluCounter, 9807 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 12375 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:49,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 12375 Invalid, 377 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:12:49,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3211 states. [2024-11-13 14:12:49,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3211 to 1731. [2024-11-13 14:12:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1720 states have (on average 1.4895348837209301) internal successors, (2562), 1720 states have internal predecessors, (2562), 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 14:12:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2580 transitions. [2024-11-13 14:12:49,793 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2580 transitions. Word has length 719 [2024-11-13 14:12:49,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:49,794 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2580 transitions. [2024-11-13 14:12:49,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.5) internal successors, (687), 6 states have internal predecessors, (687), 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 14:12:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2580 transitions. [2024-11-13 14:12:49,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2024-11-13 14:12:49,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:49,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:49,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:12:49,802 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:49,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:49,802 INFO L85 PathProgramCache]: Analyzing trace with hash -2137780691, now seen corresponding path program 1 times [2024-11-13 14:12:49,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:49,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117838797] [2024-11-13 14:12:49,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:49,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:52,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:52,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:52,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:12:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:52,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:12:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:52,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:12:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:52,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:12:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:52,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:12:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:52,968 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 14:12:52,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:52,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117838797] [2024-11-13 14:12:52,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117838797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:52,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:52,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:12:52,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074818313] [2024-11-13 14:12:52,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:52,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:12:52,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:52,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:12:52,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:12:52,971 INFO L87 Difference]: Start difference. First operand 1731 states and 2580 transitions. Second operand has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 14:12:53,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:53,148 INFO L93 Difference]: Finished difference Result 3285 states and 4897 transitions. [2024-11-13 14:12:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:12:53,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 720 [2024-11-13 14:12:53,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:53,155 INFO L225 Difference]: With dead ends: 3285 [2024-11-13 14:12:53,155 INFO L226 Difference]: Without dead ends: 1731 [2024-11-13 14:12:53,157 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 14:12:53,158 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2327 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2327 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:53,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2327 Valid, 4884 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:12:53,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2024-11-13 14:12:53,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2024-11-13 14:12:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1720 states have (on average 1.488953488372093) internal successors, (2561), 1720 states have internal predecessors, (2561), 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 14:12:53,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2579 transitions. [2024-11-13 14:12:53,201 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2579 transitions. Word has length 720 [2024-11-13 14:12:53,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:53,202 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2579 transitions. [2024-11-13 14:12:53,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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 14:12:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2579 transitions. [2024-11-13 14:12:53,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2024-11-13 14:12:53,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:53,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:53,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:12:53,212 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:53,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:53,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1585770663, now seen corresponding path program 1 times [2024-11-13 14:12:53,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:53,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303861196] [2024-11-13 14:12:53,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:53,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:55,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:55,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:12:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:12:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:55,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:12:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:55,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:12:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:55,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:12:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:55,548 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 14:12:55,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:55,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303861196] [2024-11-13 14:12:55,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303861196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:55,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:55,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:12:55,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152174342] [2024-11-13 14:12:55,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:55,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:12:55,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:55,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:12:55,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:12:55,552 INFO L87 Difference]: Start difference. First operand 1731 states and 2579 transitions. Second operand has 4 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 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 14:12:55,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:55,711 INFO L93 Difference]: Finished difference Result 3285 states and 4895 transitions. [2024-11-13 14:12:55,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:12:55,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 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 721 [2024-11-13 14:12:55,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:55,718 INFO L225 Difference]: With dead ends: 3285 [2024-11-13 14:12:55,719 INFO L226 Difference]: Without dead ends: 1731 [2024-11-13 14:12:55,721 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 14:12:55,721 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 2060 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 4884 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:55,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 4884 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:12:55,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2024-11-13 14:12:55,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1731. [2024-11-13 14:12:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1720 states have (on average 1.4883720930232558) internal successors, (2560), 1720 states have internal predecessors, (2560), 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 14:12:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 2578 transitions. [2024-11-13 14:12:55,759 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 2578 transitions. Word has length 721 [2024-11-13 14:12:55,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:55,760 INFO L471 AbstractCegarLoop]: Abstraction has 1731 states and 2578 transitions. [2024-11-13 14:12:55,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 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 14:12:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2578 transitions. [2024-11-13 14:12:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2024-11-13 14:12:55,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:55,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:55,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:12:55,767 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:55,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:55,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1746515284, now seen corresponding path program 1 times [2024-11-13 14:12:55,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:55,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939383870] [2024-11-13 14:12:55,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:55,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:12:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:58,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:12:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:58,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:12:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:58,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:12:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:58,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:12:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:58,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:12:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:58,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:12:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:12:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:12:58,724 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 14:12:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:12:58,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939383870] [2024-11-13 14:12:58,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939383870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:12:58,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:12:58,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:12:58,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439901482] [2024-11-13 14:12:58,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:12:58,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:12:58,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:12:58,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:12:58,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:12:58,728 INFO L87 Difference]: Start difference. First operand 1731 states and 2578 transitions. Second operand has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 states have internal predecessors, (690), 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 14:12:59,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:12:59,586 INFO L93 Difference]: Finished difference Result 3289 states and 4899 transitions. [2024-11-13 14:12:59,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:12:59,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 states have internal predecessors, (690), 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 722 [2024-11-13 14:12:59,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:12:59,596 INFO L225 Difference]: With dead ends: 3289 [2024-11-13 14:12:59,596 INFO L226 Difference]: Without dead ends: 1735 [2024-11-13 14:12:59,599 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 14:12:59,600 INFO L432 NwaCegarLoop]: 2188 mSDtfsCounter, 2415 mSDsluCounter, 4343 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2417 SdHoareTripleChecker+Valid, 6531 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:12:59,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2417 Valid, 6531 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:12:59,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2024-11-13 14:12:59,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1733. [2024-11-13 14:12:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1722 states have (on average 1.4878048780487805) internal successors, (2562), 1722 states have internal predecessors, (2562), 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 14:12:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2580 transitions. [2024-11-13 14:12:59,646 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2580 transitions. Word has length 722 [2024-11-13 14:12:59,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:12:59,646 INFO L471 AbstractCegarLoop]: Abstraction has 1733 states and 2580 transitions. [2024-11-13 14:12:59,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 138.0) internal successors, (690), 5 states have internal predecessors, (690), 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 14:12:59,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2580 transitions. [2024-11-13 14:12:59,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2024-11-13 14:12:59,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:12:59,654 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:12:59,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:12:59,654 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:12:59,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:12:59,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1030594533, now seen corresponding path program 1 times [2024-11-13 14:12:59,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:12:59,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917113256] [2024-11-13 14:12:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:12:59,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:03,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:03,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:03,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:04,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:04,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:04,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:04,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:13:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:04,014 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 14:13:04,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:04,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917113256] [2024-11-13 14:13:04,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917113256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:04,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:04,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 14:13:04,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196195339] [2024-11-13 14:13:04,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:04,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:13:04,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:04,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:13:04,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:13:04,018 INFO L87 Difference]: Start difference. First operand 1733 states and 2580 transitions. Second operand has 11 states, 11 states have (on average 62.81818181818182) internal successors, (691), 11 states have internal predecessors, (691), 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 14:13:05,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:05,884 INFO L93 Difference]: Finished difference Result 5071 states and 7550 transitions. [2024-11-13 14:13:05,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:13:05,885 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 62.81818181818182) internal successors, (691), 11 states have internal predecessors, (691), 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 723 [2024-11-13 14:13:05,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:05,896 INFO L225 Difference]: With dead ends: 5071 [2024-11-13 14:13:05,897 INFO L226 Difference]: Without dead ends: 3515 [2024-11-13 14:13:05,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:13:05,900 INFO L432 NwaCegarLoop]: 2279 mSDtfsCounter, 9191 mSDsluCounter, 15956 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9206 SdHoareTripleChecker+Valid, 18235 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:05,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9206 Valid, 18235 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 2265 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 14:13:05,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3515 states. [2024-11-13 14:13:05,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3515 to 2028. [2024-11-13 14:13:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2028 states, 2004 states have (on average 1.4850299401197604) internal successors, (2976), 2004 states have internal predecessors, (2976), 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 14:13:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 3020 transitions. [2024-11-13 14:13:05,953 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 3020 transitions. Word has length 723 [2024-11-13 14:13:05,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:05,954 INFO L471 AbstractCegarLoop]: Abstraction has 2028 states and 3020 transitions. [2024-11-13 14:13:05,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 62.81818181818182) internal successors, (691), 11 states have internal predecessors, (691), 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 14:13:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 3020 transitions. [2024-11-13 14:13:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2024-11-13 14:13:05,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:05,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:13:05,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:13:05,962 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:05,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:05,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1483353915, now seen corresponding path program 1 times [2024-11-13 14:13:05,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:05,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264949700] [2024-11-13 14:13:05,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:05,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:10,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:13:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:10,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:13:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:10,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:10,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:10,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:10,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:10,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:13:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:10,122 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 14:13:10,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:10,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264949700] [2024-11-13 14:13:10,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264949700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:10,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:10,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:13:10,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233900859] [2024-11-13 14:13:10,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:10,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:13:10,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:10,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:13:10,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:13:10,125 INFO L87 Difference]: Start difference. First operand 2028 states and 3020 transitions. Second operand has 8 states, 8 states have (on average 86.375) internal successors, (691), 8 states have internal predecessors, (691), 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 14:13:10,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:10,404 INFO L93 Difference]: Finished difference Result 3720 states and 5541 transitions. [2024-11-13 14:13:10,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:13:10,405 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 86.375) internal successors, (691), 8 states have internal predecessors, (691), 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 723 [2024-11-13 14:13:10,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:10,416 INFO L225 Difference]: With dead ends: 3720 [2024-11-13 14:13:10,416 INFO L226 Difference]: Without dead ends: 2064 [2024-11-13 14:13:10,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:13:10,425 INFO L432 NwaCegarLoop]: 2485 mSDtfsCounter, 2399 mSDsluCounter, 12347 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 14832 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:10,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2404 Valid, 14832 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:13:10,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2024-11-13 14:13:10,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 2056. [2024-11-13 14:13:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 2032 states have (on average 1.484251968503937) internal successors, (3016), 2032 states have internal predecessors, (3016), 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 14:13:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 3060 transitions. [2024-11-13 14:13:10,518 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 3060 transitions. Word has length 723 [2024-11-13 14:13:10,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:10,519 INFO L471 AbstractCegarLoop]: Abstraction has 2056 states and 3060 transitions. [2024-11-13 14:13:10,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 86.375) internal successors, (691), 8 states have internal predecessors, (691), 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 14:13:10,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 3060 transitions. [2024-11-13 14:13:10,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2024-11-13 14:13:10,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:10,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:13:10,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:13:10,528 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:10,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:10,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1387172367, now seen corresponding path program 1 times [2024-11-13 14:13:10,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:10,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655822946] [2024-11-13 14:13:10,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:10,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:14,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:14,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:14,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:14,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:14,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:14,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:14,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:14,179 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 14:13:14,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:14,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655822946] [2024-11-13 14:13:14,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655822946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:14,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:14,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:13:14,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379515912] [2024-11-13 14:13:14,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:14,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:13:14,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:14,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:13:14,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:13:14,182 INFO L87 Difference]: Start difference. First operand 2056 states and 3060 transitions. Second operand has 5 states, 5 states have (on average 138.4) internal successors, (692), 5 states have internal predecessors, (692), 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 14:13:14,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:14,281 INFO L93 Difference]: Finished difference Result 4690 states and 6984 transitions. [2024-11-13 14:13:14,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:13:14,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 138.4) internal successors, (692), 5 states have internal predecessors, (692), 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 724 [2024-11-13 14:13:14,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:14,290 INFO L225 Difference]: With dead ends: 4690 [2024-11-13 14:13:14,290 INFO L226 Difference]: Without dead ends: 3121 [2024-11-13 14:13:14,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 14:13:14,293 INFO L432 NwaCegarLoop]: 2481 mSDtfsCounter, 1043 mSDsluCounter, 7434 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 9915 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 14:13:14,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 9915 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:13:14,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3121 states. [2024-11-13 14:13:14,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3121 to 3119. [2024-11-13 14:13:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3119 states, 3095 states have (on average 1.4862681744749595) internal successors, (4600), 3095 states have internal predecessors, (4600), 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 14:13:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 3119 states and 4644 transitions. [2024-11-13 14:13:14,354 INFO L78 Accepts]: Start accepts. Automaton has 3119 states and 4644 transitions. Word has length 724 [2024-11-13 14:13:14,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:14,355 INFO L471 AbstractCegarLoop]: Abstraction has 3119 states and 4644 transitions. [2024-11-13 14:13:14,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 138.4) internal successors, (692), 5 states have internal predecessors, (692), 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 14:13:14,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 4644 transitions. [2024-11-13 14:13:14,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 726 [2024-11-13 14:13:14,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:14,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:13:14,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:13:14,365 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:14,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:14,365 INFO L85 PathProgramCache]: Analyzing trace with hash 856220714, now seen corresponding path program 1 times [2024-11-13 14:13:14,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:14,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213578370] [2024-11-13 14:13:14,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:14,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:18,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:18,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:18,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:18,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:18,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:18,262 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 14:13:18,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:18,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213578370] [2024-11-13 14:13:18,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213578370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:18,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:18,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:13:18,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075452429] [2024-11-13 14:13:18,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:18,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:13:18,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:13:18,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:13:18,266 INFO L87 Difference]: Start difference. First operand 3119 states and 4644 transitions. Second operand has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 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 14:13:18,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:18,521 INFO L93 Difference]: Finished difference Result 8048 states and 11989 transitions. [2024-11-13 14:13:18,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:13:18,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 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 725 [2024-11-13 14:13:18,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:18,535 INFO L225 Difference]: With dead ends: 8048 [2024-11-13 14:13:18,536 INFO L226 Difference]: Without dead ends: 5416 [2024-11-13 14:13:18,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:13:18,540 INFO L432 NwaCegarLoop]: 2467 mSDtfsCounter, 7026 mSDsluCounter, 7395 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7033 SdHoareTripleChecker+Valid, 9862 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:18,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7033 Valid, 9862 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:13:18,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-13 14:13:18,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-13 14:13:18,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.4874651810584958) internal successors, (8010), 5385 states have internal predecessors, (8010), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8068 transitions. [2024-11-13 14:13:18,646 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8068 transitions. Word has length 725 [2024-11-13 14:13:18,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:18,647 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8068 transitions. [2024-11-13 14:13:18,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.5) internal successors, (693), 6 states have internal predecessors, (693), 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 14:13:18,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8068 transitions. [2024-11-13 14:13:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1546 [2024-11-13 14:13:18,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:18,675 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:13:18,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 14:13:18,676 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:18,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:18,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1197810106, now seen corresponding path program 1 times [2024-11-13 14:13:18,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:18,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181621665] [2024-11-13 14:13:18,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:18,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 892 [2024-11-13 14:13:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2024-11-13 14:13:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2024-11-13 14:13:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2024-11-13 14:13:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2024-11-13 14:13:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2024-11-13 14:13:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2024-11-13 14:13:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:13:21,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:21,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181621665] [2024-11-13 14:13:21,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181621665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:21,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:21,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:13:21,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572142342] [2024-11-13 14:13:21,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:21,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:13:21,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:21,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:13:21,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:13:21,654 INFO L87 Difference]: Start difference. First operand 5416 states and 8068 transitions. Second operand has 5 states, 5 states have (on average 295.6) internal successors, (1478), 5 states have internal predecessors, (1478), 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 14:13:21,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:21,831 INFO L93 Difference]: Finished difference Result 8048 states and 11988 transitions. [2024-11-13 14:13:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:13:21,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 295.6) internal successors, (1478), 5 states have internal predecessors, (1478), 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 1545 [2024-11-13 14:13:21,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:21,845 INFO L225 Difference]: With dead ends: 8048 [2024-11-13 14:13:21,845 INFO L226 Difference]: Without dead ends: 5416 [2024-11-13 14:13:21,849 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 14:13:21,850 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 1900 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1907 SdHoareTripleChecker+Valid, 4895 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 14:13:21,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1907 Valid, 4895 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:13:21,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-13 14:13:21,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-13 14:13:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.4872794800371403) internal successors, (8009), 5385 states have internal predecessors, (8009), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8067 transitions. [2024-11-13 14:13:21,938 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8067 transitions. Word has length 1545 [2024-11-13 14:13:21,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:21,939 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8067 transitions. [2024-11-13 14:13:21,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 295.6) internal successors, (1478), 5 states have internal predecessors, (1478), 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 14:13:21,940 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8067 transitions. [2024-11-13 14:13:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1547 [2024-11-13 14:13:21,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:21,965 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:13:21,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:13:21,965 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:21,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:21,966 INFO L85 PathProgramCache]: Analyzing trace with hash -917722379, now seen corresponding path program 1 times [2024-11-13 14:13:21,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:21,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171508458] [2024-11-13 14:13:21,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:21,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 893 [2024-11-13 14:13:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2024-11-13 14:13:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2024-11-13 14:13:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 942 [2024-11-13 14:13:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2024-11-13 14:13:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 964 [2024-11-13 14:13:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2024-11-13 14:13:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:13:24,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:24,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171508458] [2024-11-13 14:13:24,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171508458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:24,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:24,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:13:24,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959849795] [2024-11-13 14:13:24,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:24,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:13:24,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:24,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:13:24,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:13:24,903 INFO L87 Difference]: Start difference. First operand 5416 states and 8067 transitions. Second operand has 5 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 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 14:13:25,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:25,074 INFO L93 Difference]: Finished difference Result 8048 states and 11986 transitions. [2024-11-13 14:13:25,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:13:25,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 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 1546 [2024-11-13 14:13:25,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:25,088 INFO L225 Difference]: With dead ends: 8048 [2024-11-13 14:13:25,088 INFO L226 Difference]: Without dead ends: 5416 [2024-11-13 14:13:25,091 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 14:13:25,092 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 3636 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3643 SdHoareTripleChecker+Valid, 4884 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 14:13:25,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3643 Valid, 4884 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:13:25,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-13 14:13:25,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-13 14:13:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.4870937790157845) internal successors, (8008), 5385 states have internal predecessors, (8008), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8066 transitions. [2024-11-13 14:13:25,173 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8066 transitions. Word has length 1546 [2024-11-13 14:13:25,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:25,174 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8066 transitions. [2024-11-13 14:13:25,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 295.8) internal successors, (1479), 5 states have internal predecessors, (1479), 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 14:13:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8066 transitions. [2024-11-13 14:13:25,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1548 [2024-11-13 14:13:25,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:25,201 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:13:25,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:13:25,202 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:25,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:25,203 INFO L85 PathProgramCache]: Analyzing trace with hash 517615121, now seen corresponding path program 1 times [2024-11-13 14:13:25,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:25,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735556338] [2024-11-13 14:13:25,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:25,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 894 [2024-11-13 14:13:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2024-11-13 14:13:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 927 [2024-11-13 14:13:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2024-11-13 14:13:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2024-11-13 14:13:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 965 [2024-11-13 14:13:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2024-11-13 14:13:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:13:28,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:28,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735556338] [2024-11-13 14:13:28,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735556338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:28,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:28,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:13:28,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043589939] [2024-11-13 14:13:28,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:28,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:13:28,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:28,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:13:28,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:13:28,472 INFO L87 Difference]: Start difference. First operand 5416 states and 8066 transitions. Second operand has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 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 14:13:29,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:29,033 INFO L93 Difference]: Finished difference Result 8048 states and 11984 transitions. [2024-11-13 14:13:29,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:13:29,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 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 1547 [2024-11-13 14:13:29,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:29,044 INFO L225 Difference]: With dead ends: 8048 [2024-11-13 14:13:29,045 INFO L226 Difference]: Without dead ends: 5416 [2024-11-13 14:13:29,048 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 14:13:29,049 INFO L432 NwaCegarLoop]: 2173 mSDtfsCounter, 1817 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 4359 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:29,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1819 Valid, 4359 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:13:29,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-13 14:13:29,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-13 14:13:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.486908077994429) internal successors, (8007), 5385 states have internal predecessors, (8007), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8065 transitions. [2024-11-13 14:13:29,126 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8065 transitions. Word has length 1547 [2024-11-13 14:13:29,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:29,126 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8065 transitions. [2024-11-13 14:13:29,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 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 14:13:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8065 transitions. [2024-11-13 14:13:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1549 [2024-11-13 14:13:29,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:29,150 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:13:29,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 14:13:29,151 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:29,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:29,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1218663584, now seen corresponding path program 1 times [2024-11-13 14:13:29,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:29,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225901925] [2024-11-13 14:13:29,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:29,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 895 [2024-11-13 14:13:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2024-11-13 14:13:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2024-11-13 14:13:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2024-11-13 14:13:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2024-11-13 14:13:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2024-11-13 14:13:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2024-11-13 14:13:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:13:31,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:31,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225901925] [2024-11-13 14:13:31,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225901925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:31,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:31,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:13:31,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128864527] [2024-11-13 14:13:31,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:31,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:13:31,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:31,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:13:31,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:13:31,797 INFO L87 Difference]: Start difference. First operand 5416 states and 8065 transitions. Second operand has 5 states, 5 states have (on average 296.2) internal successors, (1481), 5 states have internal predecessors, (1481), 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 14:13:31,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:31,930 INFO L93 Difference]: Finished difference Result 8048 states and 11982 transitions. [2024-11-13 14:13:31,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:13:31,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 296.2) internal successors, (1481), 5 states have internal predecessors, (1481), 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 1548 [2024-11-13 14:13:31,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:31,943 INFO L225 Difference]: With dead ends: 8048 [2024-11-13 14:13:31,943 INFO L226 Difference]: Without dead ends: 5416 [2024-11-13 14:13:31,946 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 14:13:31,948 INFO L432 NwaCegarLoop]: 2440 mSDtfsCounter, 1842 mSDsluCounter, 2453 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 4893 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:31,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1849 Valid, 4893 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:13:31,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-13 14:13:32,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-13 14:13:32,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.4867223769730733) internal successors, (8006), 5385 states have internal predecessors, (8006), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8064 transitions. [2024-11-13 14:13:32,082 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8064 transitions. Word has length 1548 [2024-11-13 14:13:32,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:32,086 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8064 transitions. [2024-11-13 14:13:32,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 296.2) internal successors, (1481), 5 states have internal predecessors, (1481), 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 14:13:32,086 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8064 transitions. [2024-11-13 14:13:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1550 [2024-11-13 14:13:32,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:32,109 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:13:32,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 14:13:32,110 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:32,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:32,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1242567653, now seen corresponding path program 1 times [2024-11-13 14:13:32,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:32,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926256345] [2024-11-13 14:13:32,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:32,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 896 [2024-11-13 14:13:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2024-11-13 14:13:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2024-11-13 14:13:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 945 [2024-11-13 14:13:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2024-11-13 14:13:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 967 [2024-11-13 14:13:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2024-11-13 14:13:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:13:35,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:35,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926256345] [2024-11-13 14:13:35,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926256345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:35,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:35,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:13:35,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550969448] [2024-11-13 14:13:35,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:35,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:13:35,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:35,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:13:35,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:13:35,124 INFO L87 Difference]: Start difference. First operand 5416 states and 8064 transitions. Second operand has 5 states, 5 states have (on average 296.4) internal successors, (1482), 5 states have internal predecessors, (1482), 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 14:13:35,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:35,286 INFO L93 Difference]: Finished difference Result 8048 states and 11980 transitions. [2024-11-13 14:13:35,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:13:35,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 296.4) internal successors, (1482), 5 states have internal predecessors, (1482), 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 1549 [2024-11-13 14:13:35,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:35,300 INFO L225 Difference]: With dead ends: 8048 [2024-11-13 14:13:35,300 INFO L226 Difference]: Without dead ends: 5416 [2024-11-13 14:13:35,304 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 14:13:35,306 INFO L432 NwaCegarLoop]: 2440 mSDtfsCounter, 3520 mSDsluCounter, 2442 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3527 SdHoareTripleChecker+Valid, 4882 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:35,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3527 Valid, 4882 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:13:35,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-13 14:13:35,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-13 14:13:35,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.4865366759517178) internal successors, (8005), 5385 states have internal predecessors, (8005), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8063 transitions. [2024-11-13 14:13:35,414 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8063 transitions. Word has length 1549 [2024-11-13 14:13:35,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:35,415 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8063 transitions. [2024-11-13 14:13:35,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 296.4) internal successors, (1482), 5 states have internal predecessors, (1482), 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 14:13:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8063 transitions. [2024-11-13 14:13:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1551 [2024-11-13 14:13:35,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:35,459 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:13:35,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 14:13:35,459 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:35,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:35,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1316701867, now seen corresponding path program 1 times [2024-11-13 14:13:35,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:35,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792447230] [2024-11-13 14:13:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:35,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 897 [2024-11-13 14:13:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 911 [2024-11-13 14:13:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 930 [2024-11-13 14:13:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 946 [2024-11-13 14:13:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2024-11-13 14:13:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2024-11-13 14:13:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2024-11-13 14:13:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:38,750 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:13:38,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:38,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792447230] [2024-11-13 14:13:38,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792447230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:38,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:38,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:13:38,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345393242] [2024-11-13 14:13:38,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:38,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:13:38,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:38,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:13:38,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:13:38,754 INFO L87 Difference]: Start difference. First operand 5416 states and 8063 transitions. Second operand has 5 states, 5 states have (on average 296.6) internal successors, (1483), 5 states have internal predecessors, (1483), 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 14:13:39,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:39,309 INFO L93 Difference]: Finished difference Result 8048 states and 11978 transitions. [2024-11-13 14:13:39,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:13:39,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 296.6) internal successors, (1483), 5 states have internal predecessors, (1483), 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 1550 [2024-11-13 14:13:39,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:39,320 INFO L225 Difference]: With dead ends: 8048 [2024-11-13 14:13:39,320 INFO L226 Difference]: Without dead ends: 5416 [2024-11-13 14:13:39,323 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 14:13:39,325 INFO L432 NwaCegarLoop]: 2171 mSDtfsCounter, 3437 mSDsluCounter, 2173 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 4344 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:39,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3439 Valid, 4344 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:13:39,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5416 states. [2024-11-13 14:13:39,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5416 to 5416. [2024-11-13 14:13:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 5385 states have (on average 1.486350974930362) internal successors, (8004), 5385 states have internal predecessors, (8004), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 8062 transitions. [2024-11-13 14:13:39,395 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 8062 transitions. Word has length 1550 [2024-11-13 14:13:39,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:39,396 INFO L471 AbstractCegarLoop]: Abstraction has 5416 states and 8062 transitions. [2024-11-13 14:13:39,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 296.6) internal successors, (1483), 5 states have internal predecessors, (1483), 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 14:13:39,397 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 8062 transitions. [2024-11-13 14:13:39,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1552 [2024-11-13 14:13:39,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:39,420 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:13:39,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 14:13:39,421 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:39,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:39,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1026073168, now seen corresponding path program 1 times [2024-11-13 14:13:39,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:39,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569127319] [2024-11-13 14:13:39,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:39,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2024-11-13 14:13:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2024-11-13 14:13:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2024-11-13 14:13:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2024-11-13 14:13:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2024-11-13 14:13:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2024-11-13 14:13:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2024-11-13 14:13:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-13 14:13:42,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:42,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569127319] [2024-11-13 14:13:42,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569127319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:42,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:42,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:13:42,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208561945] [2024-11-13 14:13:42,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:42,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:13:42,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:42,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:13:42,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:13:42,806 INFO L87 Difference]: Start difference. First operand 5416 states and 8062 transitions. Second operand has 6 states, 6 states have (on average 246.16666666666666) internal successors, (1477), 6 states have internal predecessors, (1477), 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 14:13:43,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:43,655 INFO L93 Difference]: Finished difference Result 10376 states and 15447 transitions. [2024-11-13 14:13:43,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:13:43,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 246.16666666666666) internal successors, (1477), 6 states have internal predecessors, (1477), 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 1551 [2024-11-13 14:13:43,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:43,663 INFO L225 Difference]: With dead ends: 10376 [2024-11-13 14:13:43,663 INFO L226 Difference]: Without dead ends: 5430 [2024-11-13 14:13:43,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 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 14:13:43,668 INFO L432 NwaCegarLoop]: 2183 mSDtfsCounter, 1669 mSDsluCounter, 6516 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 8699 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:43,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1669 Valid, 8699 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:13:43,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5430 states. [2024-11-13 14:13:43,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5430 to 5422. [2024-11-13 14:13:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5422 states, 5391 states have (on average 1.4858096828046745) internal successors, (8010), 5391 states have internal predecessors, (8010), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:43,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5422 states to 5422 states and 8068 transitions. [2024-11-13 14:13:43,739 INFO L78 Accepts]: Start accepts. Automaton has 5422 states and 8068 transitions. Word has length 1551 [2024-11-13 14:13:43,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:43,740 INFO L471 AbstractCegarLoop]: Abstraction has 5422 states and 8068 transitions. [2024-11-13 14:13:43,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 246.16666666666666) internal successors, (1477), 6 states have internal predecessors, (1477), 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 14:13:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 5422 states and 8068 transitions. [2024-11-13 14:13:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1552 [2024-11-13 14:13:43,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:43,762 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:13:43,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 14:13:43,762 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:43,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:43,763 INFO L85 PathProgramCache]: Analyzing trace with hash -438163988, now seen corresponding path program 1 times [2024-11-13 14:13:43,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:43,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516740165] [2024-11-13 14:13:43,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:43,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 898 [2024-11-13 14:13:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2024-11-13 14:13:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 931 [2024-11-13 14:13:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2024-11-13 14:13:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2024-11-13 14:13:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2024-11-13 14:13:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2024-11-13 14:13:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 633 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:13:49,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:49,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516740165] [2024-11-13 14:13:49,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516740165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:49,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:49,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:13:49,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364522937] [2024-11-13 14:13:49,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:49,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:13:49,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:49,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:13:49,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:13:49,865 INFO L87 Difference]: Start difference. First operand 5422 states and 8068 transitions. Second operand has 4 states, 4 states have (on average 371.0) internal successors, (1484), 4 states have internal predecessors, (1484), 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 14:13:50,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:50,013 INFO L93 Difference]: Finished difference Result 8056 states and 11984 transitions. [2024-11-13 14:13:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:13:50,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 371.0) internal successors, (1484), 4 states have internal predecessors, (1484), 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 1551 [2024-11-13 14:13:50,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:50,022 INFO L225 Difference]: With dead ends: 8056 [2024-11-13 14:13:50,022 INFO L226 Difference]: Without dead ends: 5422 [2024-11-13 14:13:50,025 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 14:13:50,026 INFO L432 NwaCegarLoop]: 2439 mSDtfsCounter, 1740 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1740 SdHoareTripleChecker+Valid, 4880 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:50,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1740 Valid, 4880 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:13:50,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5422 states. [2024-11-13 14:13:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5422 to 5422. [2024-11-13 14:13:50,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5422 states, 5391 states have (on average 1.4856241884622519) internal successors, (8009), 5391 states have internal predecessors, (8009), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5422 states to 5422 states and 8067 transitions. [2024-11-13 14:13:50,097 INFO L78 Accepts]: Start accepts. Automaton has 5422 states and 8067 transitions. Word has length 1551 [2024-11-13 14:13:50,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:50,098 INFO L471 AbstractCegarLoop]: Abstraction has 5422 states and 8067 transitions. [2024-11-13 14:13:50,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 371.0) internal successors, (1484), 4 states have internal predecessors, (1484), 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 14:13:50,098 INFO L276 IsEmpty]: Start isEmpty. Operand 5422 states and 8067 transitions. [2024-11-13 14:13:50,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1553 [2024-11-13 14:13:50,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:50,119 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:13:50,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 14:13:50,120 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:50,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:50,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1023837229, now seen corresponding path program 1 times [2024-11-13 14:13:50,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:50,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407086559] [2024-11-13 14:13:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:50,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:13:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:13:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:13:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:13:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:13:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:13:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:13:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:13:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 899 [2024-11-13 14:13:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 913 [2024-11-13 14:13:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2024-11-13 14:13:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2024-11-13 14:13:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2024-11-13 14:13:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 970 [2024-11-13 14:13:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 982 [2024-11-13 14:13:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:13:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 633 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:13:56,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:13:56,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407086559] [2024-11-13 14:13:56,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407086559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:13:56,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:13:56,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:13:56,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468122124] [2024-11-13 14:13:56,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:13:56,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:13:56,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:13:56,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:13:56,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:13:56,674 INFO L87 Difference]: Start difference. First operand 5422 states and 8067 transitions. Second operand has 4 states, 4 states have (on average 371.25) internal successors, (1485), 4 states have internal predecessors, (1485), 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 14:13:56,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:13:56,789 INFO L93 Difference]: Finished difference Result 8056 states and 11982 transitions. [2024-11-13 14:13:56,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:13:56,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 371.25) internal successors, (1485), 4 states have internal predecessors, (1485), 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 1552 [2024-11-13 14:13:56,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:13:56,796 INFO L225 Difference]: With dead ends: 8056 [2024-11-13 14:13:56,796 INFO L226 Difference]: Without dead ends: 5422 [2024-11-13 14:13:56,800 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 14:13:56,800 INFO L432 NwaCegarLoop]: 2439 mSDtfsCounter, 1683 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 4880 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:13:56,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1683 Valid, 4880 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:13:56,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5422 states. [2024-11-13 14:13:56,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5422 to 5422. [2024-11-13 14:13:56,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5422 states, 5391 states have (on average 1.4854386941198294) internal successors, (8008), 5391 states have internal predecessors, (8008), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:13:56,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5422 states to 5422 states and 8066 transitions. [2024-11-13 14:13:56,870 INFO L78 Accepts]: Start accepts. Automaton has 5422 states and 8066 transitions. Word has length 1552 [2024-11-13 14:13:56,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:13:56,871 INFO L471 AbstractCegarLoop]: Abstraction has 5422 states and 8066 transitions. [2024-11-13 14:13:56,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 371.25) internal successors, (1485), 4 states have internal predecessors, (1485), 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 14:13:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 5422 states and 8066 transitions. [2024-11-13 14:13:56,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1554 [2024-11-13 14:13:56,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:13:56,934 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:13:56,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 14:13:56,935 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:13:56,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:13:56,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1464206892, now seen corresponding path program 1 times [2024-11-13 14:13:56,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:13:56,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468739447] [2024-11-13 14:13:56,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:13:56,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:14:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:14:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 14:14:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 14:14:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:14:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:14:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:14:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 900 [2024-11-13 14:14:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 914 [2024-11-13 14:14:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2024-11-13 14:14:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 949 [2024-11-13 14:14:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2024-11-13 14:14:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2024-11-13 14:14:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 983 [2024-11-13 14:14:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2024-11-13 14:14:09,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:09,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468739447] [2024-11-13 14:14:09,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468739447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:09,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:09,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:14:09,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824220038] [2024-11-13 14:14:09,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:09,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:14:09,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:09,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:14:09,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:14:09,475 INFO L87 Difference]: Start difference. First operand 5422 states and 8066 transitions. Second operand has 7 states, 7 states have (on average 127.85714285714286) internal successors, (895), 7 states have internal predecessors, (895), 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 14:14:09,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:09,902 INFO L93 Difference]: Finished difference Result 10441 states and 15530 transitions. [2024-11-13 14:14:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:14:09,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 127.85714285714286) internal successors, (895), 7 states have internal predecessors, (895), 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 1553 [2024-11-13 14:14:09,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:09,907 INFO L225 Difference]: With dead ends: 10441 [2024-11-13 14:14:09,907 INFO L226 Difference]: Without dead ends: 5463 [2024-11-13 14:14:09,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 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 14:14:09,911 INFO L432 NwaCegarLoop]: 2456 mSDtfsCounter, 2385 mSDsluCounter, 9576 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 12032 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:09,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 12032 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:14:09,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5463 states. [2024-11-13 14:14:09,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5463 to 5431. [2024-11-13 14:14:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5431 states, 5400 states have (on average 1.485) internal successors, (8019), 5400 states have internal predecessors, (8019), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:14:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5431 states to 5431 states and 8077 transitions. [2024-11-13 14:14:10,005 INFO L78 Accepts]: Start accepts. Automaton has 5431 states and 8077 transitions. Word has length 1553 [2024-11-13 14:14:10,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:10,006 INFO L471 AbstractCegarLoop]: Abstraction has 5431 states and 8077 transitions. [2024-11-13 14:14:10,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.85714285714286) internal successors, (895), 7 states have internal predecessors, (895), 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 14:14:10,006 INFO L276 IsEmpty]: Start isEmpty. Operand 5431 states and 8077 transitions. [2024-11-13 14:14:10,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1556 [2024-11-13 14:14:10,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:10,030 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:10,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 14:14:10,030 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:10,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:10,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1462117249, now seen corresponding path program 1 times [2024-11-13 14:14:10,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:10,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570814170] [2024-11-13 14:14:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:10,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:14:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:14:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 14:14:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-13 14:14:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:14:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:14:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:14:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 901 [2024-11-13 14:14:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2024-11-13 14:14:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2024-11-13 14:14:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2024-11-13 14:14:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2024-11-13 14:14:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2024-11-13 14:14:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 985 [2024-11-13 14:14:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:13,300 INFO L134 CoverageAnalysis]: Checked inductivity of 996 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-13 14:14:13,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:13,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570814170] [2024-11-13 14:14:13,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570814170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:13,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:13,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:14:13,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220939611] [2024-11-13 14:14:13,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:13,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:14:13,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:13,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:14:13,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:14:13,305 INFO L87 Difference]: Start difference. First operand 5431 states and 8077 transitions. Second operand has 4 states, 4 states have (on average 223.75) internal successors, (895), 4 states have internal predecessors, (895), 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 14:14:13,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:13,484 INFO L93 Difference]: Finished difference Result 10404 states and 15475 transitions. [2024-11-13 14:14:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:14:13,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 223.75) internal successors, (895), 4 states have internal predecessors, (895), 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 1555 [2024-11-13 14:14:13,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:13,491 INFO L225 Difference]: With dead ends: 10404 [2024-11-13 14:14:13,492 INFO L226 Difference]: Without dead ends: 5445 [2024-11-13 14:14:13,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 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 14:14:13,499 INFO L432 NwaCegarLoop]: 2477 mSDtfsCounter, 0 mSDsluCounter, 4873 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7350 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:13,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7350 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:14:13,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2024-11-13 14:14:13,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 5439. [2024-11-13 14:14:13,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5439 states, 5408 states have (on average 1.4842825443786982) internal successors, (8027), 5408 states have internal predecessors, (8027), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-13 14:14:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 5439 states and 8085 transitions. [2024-11-13 14:14:13,649 INFO L78 Accepts]: Start accepts. Automaton has 5439 states and 8085 transitions. Word has length 1555 [2024-11-13 14:14:13,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:13,650 INFO L471 AbstractCegarLoop]: Abstraction has 5439 states and 8085 transitions. [2024-11-13 14:14:13,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 223.75) internal successors, (895), 4 states have internal predecessors, (895), 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 14:14:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand 5439 states and 8085 transitions. [2024-11-13 14:14:13,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1556 [2024-11-13 14:14:13,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:13,679 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:14:13,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 14:14:13,679 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:13,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:13,680 INFO L85 PathProgramCache]: Analyzing trace with hash 28302118, now seen corresponding path program 1 times [2024-11-13 14:14:13,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:13,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034664589] [2024-11-13 14:14:13,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:13,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:14:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:14:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:14:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:14:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:14:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:14:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:14:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 901 [2024-11-13 14:14:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2024-11-13 14:14:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2024-11-13 14:14:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2024-11-13 14:14:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2024-11-13 14:14:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2024-11-13 14:14:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 985 [2024-11-13 14:14:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 633 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:14:23,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:23,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034664589] [2024-11-13 14:14:23,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034664589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:23,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:23,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:14:23,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301653094] [2024-11-13 14:14:23,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:23,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:14:23,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:23,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:14:23,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:14:23,202 INFO L87 Difference]: Start difference. First operand 5439 states and 8085 transitions. Second operand has 7 states, 7 states have (on average 212.57142857142858) internal successors, (1488), 7 states have internal predecessors, (1488), 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 14:14:24,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:24,761 INFO L93 Difference]: Finished difference Result 10695 states and 15894 transitions. [2024-11-13 14:14:24,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:14:24,762 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 212.57142857142858) internal successors, (1488), 7 states have internal predecessors, (1488), 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 1555 [2024-11-13 14:14:24,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:24,769 INFO L225 Difference]: With dead ends: 10695 [2024-11-13 14:14:24,769 INFO L226 Difference]: Without dead ends: 8056 [2024-11-13 14:14:24,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 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 14:14:24,773 INFO L432 NwaCegarLoop]: 4181 mSDtfsCounter, 4003 mSDsluCounter, 14689 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4015 SdHoareTripleChecker+Valid, 18870 SdHoareTripleChecker+Invalid, 2576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:24,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4015 Valid, 18870 Invalid, 2576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2575 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 14:14:24,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8056 states. [2024-11-13 14:14:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8056 to 5502. [2024-11-13 14:14:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5502 states, 5469 states have (on average 1.4840007313951362) internal successors, (8116), 5469 states have internal predecessors, (8116), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-13 14:14:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5502 states to 5502 states and 8178 transitions. [2024-11-13 14:14:24,857 INFO L78 Accepts]: Start accepts. Automaton has 5502 states and 8178 transitions. Word has length 1555 [2024-11-13 14:14:24,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:24,859 INFO L471 AbstractCegarLoop]: Abstraction has 5502 states and 8178 transitions. [2024-11-13 14:14:24,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 212.57142857142858) internal successors, (1488), 7 states have internal predecessors, (1488), 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 14:14:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 5502 states and 8178 transitions. [2024-11-13 14:14:24,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1557 [2024-11-13 14:14:24,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:24,882 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:24,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 14:14:24,882 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:24,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:24,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2017261088, now seen corresponding path program 1 times [2024-11-13 14:14:24,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:24,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316137149] [2024-11-13 14:14:24,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:24,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:14:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:14:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:14:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:14:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:14:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:14:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:14:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 901 [2024-11-13 14:14:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 915 [2024-11-13 14:14:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2024-11-13 14:14:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 952 [2024-11-13 14:14:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2024-11-13 14:14:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2024-11-13 14:14:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2024-11-13 14:14:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 908 trivial. 0 not checked. [2024-11-13 14:14:30,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:30,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316137149] [2024-11-13 14:14:30,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316137149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:30,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:30,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:14:30,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11495352] [2024-11-13 14:14:30,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:30,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:14:30,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:30,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:14:30,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:14:30,859 INFO L87 Difference]: Start difference. First operand 5502 states and 8178 transitions. Second operand has 4 states, 4 states have (on average 237.0) internal successors, (948), 4 states have internal predecessors, (948), 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 14:14:31,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:31,260 INFO L93 Difference]: Finished difference Result 10789 states and 16022 transitions. [2024-11-13 14:14:31,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:14:31,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 237.0) internal successors, (948), 4 states have internal predecessors, (948), 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 1556 [2024-11-13 14:14:31,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:31,266 INFO L225 Difference]: With dead ends: 10789 [2024-11-13 14:14:31,266 INFO L226 Difference]: Without dead ends: 5411 [2024-11-13 14:14:31,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 14:14:31,270 INFO L432 NwaCegarLoop]: 2601 mSDtfsCounter, 69 mSDsluCounter, 4785 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 7386 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:31,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 7386 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:14:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5411 states. [2024-11-13 14:14:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5411 to 5189. [2024-11-13 14:14:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 5167 states have (on average 1.4848074317785949) internal successors, (7672), 5167 states have internal predecessors, (7672), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 14:14:31,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7712 transitions. [2024-11-13 14:14:31,337 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7712 transitions. Word has length 1556 [2024-11-13 14:14:31,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:31,337 INFO L471 AbstractCegarLoop]: Abstraction has 5189 states and 7712 transitions. [2024-11-13 14:14:31,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 237.0) internal successors, (948), 4 states have internal predecessors, (948), 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 14:14:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7712 transitions. [2024-11-13 14:14:31,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1558 [2024-11-13 14:14:31,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:31,359 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:31,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 14:14:31,360 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:31,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:31,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1258720844, now seen corresponding path program 1 times [2024-11-13 14:14:31,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:31,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123580566] [2024-11-13 14:14:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:14:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:14:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:14:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:14:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:14:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:14:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:14:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 902 [2024-11-13 14:14:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 916 [2024-11-13 14:14:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2024-11-13 14:14:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 953 [2024-11-13 14:14:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2024-11-13 14:14:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2024-11-13 14:14:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2024-11-13 14:14:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2024-11-13 14:14:38,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:38,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123580566] [2024-11-13 14:14:38,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123580566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:38,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:38,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:14:38,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114518092] [2024-11-13 14:14:38,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:38,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:14:38,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:38,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:14:38,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:14:38,216 INFO L87 Difference]: Start difference. First operand 5189 states and 7712 transitions. Second operand has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 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 14:14:38,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:38,718 INFO L93 Difference]: Finished difference Result 8879 states and 13196 transitions. [2024-11-13 14:14:38,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:14:38,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 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 1557 [2024-11-13 14:14:38,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:38,723 INFO L225 Difference]: With dead ends: 8879 [2024-11-13 14:14:38,724 INFO L226 Difference]: Without dead ends: 5189 [2024-11-13 14:14:38,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 14:14:38,727 INFO L432 NwaCegarLoop]: 2183 mSDtfsCounter, 2130 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2132 SdHoareTripleChecker+Valid, 4354 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:38,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2132 Valid, 4354 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:14:38,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5189 states. [2024-11-13 14:14:38,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5189 to 5189. [2024-11-13 14:14:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 5167 states have (on average 1.4840332881749565) internal successors, (7668), 5167 states have internal predecessors, (7668), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 14:14:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7708 transitions. [2024-11-13 14:14:38,783 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7708 transitions. Word has length 1557 [2024-11-13 14:14:38,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:38,783 INFO L471 AbstractCegarLoop]: Abstraction has 5189 states and 7708 transitions. [2024-11-13 14:14:38,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 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 14:14:38,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7708 transitions. [2024-11-13 14:14:38,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1560 [2024-11-13 14:14:38,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:38,855 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:38,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 14:14:38,856 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:38,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:38,857 INFO L85 PathProgramCache]: Analyzing trace with hash 961530958, now seen corresponding path program 1 times [2024-11-13 14:14:38,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:38,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383032084] [2024-11-13 14:14:38,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:38,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:14:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:14:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:14:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:14:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:14:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:14:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:14:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 903 [2024-11-13 14:14:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2024-11-13 14:14:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2024-11-13 14:14:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2024-11-13 14:14:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 964 [2024-11-13 14:14:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2024-11-13 14:14:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2024-11-13 14:14:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2024-11-13 14:14:47,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:47,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383032084] [2024-11-13 14:14:47,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383032084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:47,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:47,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:14:47,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245384547] [2024-11-13 14:14:47,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:47,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:14:47,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:47,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:14:47,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:14:47,385 INFO L87 Difference]: Start difference. First operand 5189 states and 7708 transitions. Second operand has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 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 14:14:47,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:47,463 INFO L93 Difference]: Finished difference Result 10095 states and 15003 transitions. [2024-11-13 14:14:47,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:14:47,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 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 1559 [2024-11-13 14:14:47,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:47,468 INFO L225 Difference]: With dead ends: 10095 [2024-11-13 14:14:47,468 INFO L226 Difference]: Without dead ends: 5183 [2024-11-13 14:14:47,471 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 14:14:47,472 INFO L432 NwaCegarLoop]: 2458 mSDtfsCounter, 2371 mSDsluCounter, 2467 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2376 SdHoareTripleChecker+Valid, 4925 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 14:14:47,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2376 Valid, 4925 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:14:47,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2024-11-13 14:14:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 5183. [2024-11-13 14:14:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5183 states, 5161 states have (on average 1.4840147258283278) internal successors, (7659), 5161 states have internal predecessors, (7659), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 14:14:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 5183 states and 7699 transitions. [2024-11-13 14:14:47,538 INFO L78 Accepts]: Start accepts. Automaton has 5183 states and 7699 transitions. Word has length 1559 [2024-11-13 14:14:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:47,538 INFO L471 AbstractCegarLoop]: Abstraction has 5183 states and 7699 transitions. [2024-11-13 14:14:47,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 224.75) internal successors, (899), 4 states have internal predecessors, (899), 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 14:14:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 5183 states and 7699 transitions. [2024-11-13 14:14:47,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1560 [2024-11-13 14:14:47,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:47,562 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:47,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 14:14:47,563 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:47,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:47,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1695484806, now seen corresponding path program 1 times [2024-11-13 14:14:47,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:47,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686165019] [2024-11-13 14:14:47,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:47,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:14:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:14:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:14:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:14:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 14:14:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 14:14:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:14:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 903 [2024-11-13 14:14:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2024-11-13 14:14:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2024-11-13 14:14:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 954 [2024-11-13 14:14:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 964 [2024-11-13 14:14:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2024-11-13 14:14:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2024-11-13 14:14:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2024-11-13 14:14:57,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:57,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686165019] [2024-11-13 14:14:57,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686165019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:57,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:57,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:14:57,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050070919] [2024-11-13 14:14:57,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:57,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:14:57,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:57,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:14:57,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:14:57,735 INFO L87 Difference]: Start difference. First operand 5183 states and 7699 transitions. Second operand has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:14:58,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:58,594 INFO L93 Difference]: Finished difference Result 10041 states and 14921 transitions. [2024-11-13 14:14:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:14:58,595 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 1559 [2024-11-13 14:14:58,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:58,600 INFO L225 Difference]: With dead ends: 10041 [2024-11-13 14:14:58,600 INFO L226 Difference]: Without dead ends: 5195 [2024-11-13 14:14:58,605 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 14:14:58,605 INFO L432 NwaCegarLoop]: 2162 mSDtfsCounter, 2439 mSDsluCounter, 6482 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2444 SdHoareTripleChecker+Valid, 8644 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:58,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2444 Valid, 8644 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:14:58,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2024-11-13 14:14:58,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 5189. [2024-11-13 14:14:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5189 states, 5167 states have (on average 1.4828720727694988) internal successors, (7662), 5167 states have internal predecessors, (7662), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 14:14:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 5189 states and 7702 transitions. [2024-11-13 14:14:58,701 INFO L78 Accepts]: Start accepts. Automaton has 5189 states and 7702 transitions. Word has length 1559 [2024-11-13 14:14:58,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:58,701 INFO L471 AbstractCegarLoop]: Abstraction has 5189 states and 7702 transitions. [2024-11-13 14:14:58,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:14:58,701 INFO L276 IsEmpty]: Start isEmpty. Operand 5189 states and 7702 transitions. [2024-11-13 14:14:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1562 [2024-11-13 14:14:58,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:58,725 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:14:58,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 14:14:58,725 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:58,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:58,726 INFO L85 PathProgramCache]: Analyzing trace with hash -637302916, now seen corresponding path program 1 times [2024-11-13 14:14:58,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:58,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044989696] [2024-11-13 14:14:58,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:58,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:15:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:15:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:15:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:15:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:15:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 14:15:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-13 14:15:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 14:15:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 904 [2024-11-13 14:15:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 918 [2024-11-13 14:15:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 939 [2024-11-13 14:15:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2024-11-13 14:15:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2024-11-13 14:15:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2024-11-13 14:15:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2024-11-13 14:15:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2024-11-13 14:15:10,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:15:10,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044989696] [2024-11-13 14:15:10,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044989696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:15:10,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:15:10,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:15:10,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222905618] [2024-11-13 14:15:10,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:15:10,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:15:10,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:15:10,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:15:10,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:15:10,843 INFO L87 Difference]: Start difference. First operand 5189 states and 7702 transitions. Second operand has 6 states, 6 states have (on average 153.33333333333334) internal successors, (920), 6 states have internal predecessors, (920), 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 14:15:11,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:15:11,684 INFO L93 Difference]: Finished difference Result 10035 states and 14904 transitions. [2024-11-13 14:15:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:15:11,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 153.33333333333334) internal successors, (920), 6 states have internal predecessors, (920), 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 1561 [2024-11-13 14:15:11,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:15:11,688 INFO L225 Difference]: With dead ends: 10035 [2024-11-13 14:15:11,688 INFO L226 Difference]: Without dead ends: 5195 [2024-11-13 14:15:11,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:15:11,692 INFO L432 NwaCegarLoop]: 2162 mSDtfsCounter, 2358 mSDsluCounter, 6471 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2361 SdHoareTripleChecker+Valid, 8633 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:15:11,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2361 Valid, 8633 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:15:11,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5195 states. [2024-11-13 14:15:11,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5195 to 5192. [2024-11-13 14:15:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5192 states, 5170 states have (on average 1.4825918762088974) internal successors, (7665), 5170 states have internal predecessors, (7665), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 14:15:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5192 states to 5192 states and 7705 transitions. [2024-11-13 14:15:11,733 INFO L78 Accepts]: Start accepts. Automaton has 5192 states and 7705 transitions. Word has length 1561 [2024-11-13 14:15:11,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:15:11,734 INFO L471 AbstractCegarLoop]: Abstraction has 5192 states and 7705 transitions. [2024-11-13 14:15:11,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.33333333333334) internal successors, (920), 6 states have internal predecessors, (920), 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 14:15:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5192 states and 7705 transitions. [2024-11-13 14:15:11,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1564 [2024-11-13 14:15:11,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:15:11,750 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:15:11,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 14:15:11,750 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:15:11,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:15:11,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1988978252, now seen corresponding path program 1 times [2024-11-13 14:15:11,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:15:11,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641285398] [2024-11-13 14:15:11,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:15:11,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:15:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:15:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:15:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:15:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:15:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:15:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:15:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:15:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2024-11-13 14:15:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-11-13 14:15:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2024-11-13 14:15:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2024-11-13 14:15:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2024-11-13 14:15:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2024-11-13 14:15:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2024-11-13 14:15:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2024-11-13 14:15:23,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:15:23,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641285398] [2024-11-13 14:15:23,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641285398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:15:23,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:15:23,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:15:23,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093561490] [2024-11-13 14:15:23,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:15:23,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:15:23,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:15:23,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:15:23,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:15:23,940 INFO L87 Difference]: Start difference. First operand 5192 states and 7705 transitions. Second operand has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 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 14:15:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:15:24,205 INFO L93 Difference]: Finished difference Result 12450 states and 18487 transitions. [2024-11-13 14:15:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:15:24,205 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 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 1563 [2024-11-13 14:15:24,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:15:24,211 INFO L225 Difference]: With dead ends: 12450 [2024-11-13 14:15:24,211 INFO L226 Difference]: Without dead ends: 7597 [2024-11-13 14:15:24,215 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 14:15:24,216 INFO L432 NwaCegarLoop]: 2457 mSDtfsCounter, 11271 mSDsluCounter, 8486 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11278 SdHoareTripleChecker+Valid, 10943 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:15:24,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11278 Valid, 10943 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:15:24,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7597 states. [2024-11-13 14:15:24,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7597 to 5378. [2024-11-13 14:15:24,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5378 states, 5348 states have (on average 1.4803664921465969) internal successors, (7917), 5348 states have internal predecessors, (7917), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-13 14:15:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5378 states to 5378 states and 7973 transitions. [2024-11-13 14:15:24,276 INFO L78 Accepts]: Start accepts. Automaton has 5378 states and 7973 transitions. Word has length 1563 [2024-11-13 14:15:24,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:15:24,276 INFO L471 AbstractCegarLoop]: Abstraction has 5378 states and 7973 transitions. [2024-11-13 14:15:24,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 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 14:15:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 5378 states and 7973 transitions. [2024-11-13 14:15:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1564 [2024-11-13 14:15:24,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:15:24,291 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:15:24,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 14:15:24,291 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:15:24,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:15:24,292 INFO L85 PathProgramCache]: Analyzing trace with hash -26757140, now seen corresponding path program 1 times [2024-11-13 14:15:24,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:15:24,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855790580] [2024-11-13 14:15:24,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:15:24,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:15:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:15:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:15:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:15:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:15:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:15:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:15:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:15:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 905 [2024-11-13 14:15:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-11-13 14:15:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2024-11-13 14:15:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2024-11-13 14:15:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 968 [2024-11-13 14:15:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2024-11-13 14:15:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2024-11-13 14:15:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 636 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:15:35,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:15:35,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855790580] [2024-11-13 14:15:35,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855790580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:15:35,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:15:35,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:15:35,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178767858] [2024-11-13 14:15:35,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:15:35,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:15:35,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:15:35,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:15:35,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:15:35,176 INFO L87 Difference]: Start difference. First operand 5378 states and 7973 transitions. Second operand has 6 states, 6 states have (on average 249.33333333333334) internal successors, (1496), 6 states have internal predecessors, (1496), 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 14:15:36,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:15:36,222 INFO L93 Difference]: Finished difference Result 11038 states and 16356 transitions. [2024-11-13 14:15:36,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:15:36,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 249.33333333333334) internal successors, (1496), 6 states have internal predecessors, (1496), 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 1563 [2024-11-13 14:15:36,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:15:36,230 INFO L225 Difference]: With dead ends: 11038 [2024-11-13 14:15:36,230 INFO L226 Difference]: Without dead ends: 8409 [2024-11-13 14:15:36,234 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 14:15:36,235 INFO L432 NwaCegarLoop]: 4364 mSDtfsCounter, 2939 mSDsluCounter, 11014 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2941 SdHoareTripleChecker+Valid, 15378 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:15:36,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2941 Valid, 15378 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:15:36,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8409 states. [2024-11-13 14:15:36,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8409 to 8264. [2024-11-13 14:15:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8264 states, 8213 states have (on average 1.4786314379642032) internal successors, (12144), 8213 states have internal predecessors, (12144), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-13 14:15:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8264 states to 8264 states and 12242 transitions. [2024-11-13 14:15:36,356 INFO L78 Accepts]: Start accepts. Automaton has 8264 states and 12242 transitions. Word has length 1563 [2024-11-13 14:15:36,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:15:36,358 INFO L471 AbstractCegarLoop]: Abstraction has 8264 states and 12242 transitions. [2024-11-13 14:15:36,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 249.33333333333334) internal successors, (1496), 6 states have internal predecessors, (1496), 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 14:15:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 8264 states and 12242 transitions. [2024-11-13 14:15:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1565 [2024-11-13 14:15:36,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:15:36,405 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:15:36,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-13 14:15:36,406 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:15:36,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:15:36,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1300933678, now seen corresponding path program 1 times [2024-11-13 14:15:36,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:15:36,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809465433] [2024-11-13 14:15:36,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:15:36,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:15:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:15:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:15:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:15:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:15:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:15:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:15:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 14:15:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2024-11-13 14:15:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2024-11-13 14:15:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2024-11-13 14:15:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2024-11-13 14:15:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2024-11-13 14:15:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2024-11-13 14:15:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2024-11-13 14:15:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:15:48,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2024-11-13 14:15:48,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:15:48,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809465433] [2024-11-13 14:15:48,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809465433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:15:48,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:15:48,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:15:48,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884417952] [2024-11-13 14:15:48,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:15:48,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:15:48,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:15:48,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:15:48,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:15:48,684 INFO L87 Difference]: Start difference. First operand 8264 states and 12242 transitions. Second operand has 8 states, 8 states have (on average 117.375) internal successors, (939), 8 states have internal predecessors, (939), 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 14:15:51,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:15:51,108 INFO L93 Difference]: Finished difference Result 18861 states and 27951 transitions. [2024-11-13 14:15:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:15:51,108 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 117.375) internal successors, (939), 8 states have internal predecessors, (939), 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 1564 [2024-11-13 14:15:51,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:15:51,121 INFO L225 Difference]: With dead ends: 18861 [2024-11-13 14:15:51,121 INFO L226 Difference]: Without dead ends: 14078 [2024-11-13 14:15:51,128 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 14:15:51,128 INFO L432 NwaCegarLoop]: 4095 mSDtfsCounter, 6836 mSDsluCounter, 18530 mSDsCounter, 0 mSdLazyCounter, 2990 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6850 SdHoareTripleChecker+Valid, 22625 SdHoareTripleChecker+Invalid, 2991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:15:51,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6850 Valid, 22625 Invalid, 2991 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2990 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 14:15:51,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14078 states. [2024-11-13 14:15:51,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14078 to 8778. [2024-11-13 14:15:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8778 states, 8706 states have (on average 1.4755341144038594) internal successors, (12846), 8706 states have internal predecessors, (12846), 70 states have call successors, (70), 1 states have call predecessors, (70), 1 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-13 14:15:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8778 states to 8778 states and 12986 transitions. [2024-11-13 14:15:51,242 INFO L78 Accepts]: Start accepts. Automaton has 8778 states and 12986 transitions. Word has length 1564 [2024-11-13 14:15:51,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:15:51,243 INFO L471 AbstractCegarLoop]: Abstraction has 8778 states and 12986 transitions. [2024-11-13 14:15:51,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 117.375) internal successors, (939), 8 states have internal predecessors, (939), 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 14:15:51,243 INFO L276 IsEmpty]: Start isEmpty. Operand 8778 states and 12986 transitions. [2024-11-13 14:15:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1565 [2024-11-13 14:15:51,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:15:51,278 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:15:51,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-13 14:15:51,278 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:15:51,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:15:51,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1947875020, now seen corresponding path program 1 times [2024-11-13 14:15:51,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:15:51,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491761190] [2024-11-13 14:15:51,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:15:51,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:16:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:16:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-13 14:16:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 14:16:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 14:16:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-13 14:16:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-13 14:16:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:16:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 906 [2024-11-13 14:16:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2024-11-13 14:16:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 941 [2024-11-13 14:16:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2024-11-13 14:16:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2024-11-13 14:16:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 981 [2024-11-13 14:16:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 993 [2024-11-13 14:16:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:06,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1000 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-11-13 14:16:06,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:16:06,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491761190] [2024-11-13 14:16:06,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491761190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:16:06,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:16:06,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:16:06,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270727841] [2024-11-13 14:16:06,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:16:06,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:16:06,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:16:06,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:16:06,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:16:06,592 INFO L87 Difference]: Start difference. First operand 8778 states and 12986 transitions. Second operand has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 14:16:07,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:16:07,131 INFO L93 Difference]: Finished difference Result 17015 states and 25151 transitions. [2024-11-13 14:16:07,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:16:07,132 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 1564 [2024-11-13 14:16:07,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:16:07,140 INFO L225 Difference]: With dead ends: 17015 [2024-11-13 14:16:07,140 INFO L226 Difference]: Without dead ends: 8830 [2024-11-13 14:16:07,147 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 14:16:07,149 INFO L432 NwaCegarLoop]: 2452 mSDtfsCounter, 2393 mSDsluCounter, 9522 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 11974 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:16:07,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 11974 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:16:07,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8830 states. [2024-11-13 14:16:07,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8830 to 8804. [2024-11-13 14:16:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8804 states, 8732 states have (on average 1.472629409070087) internal successors, (12859), 8732 states have internal predecessors, (12859), 70 states have call successors, (70), 1 states have call predecessors, (70), 1 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-13 14:16:07,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8804 states to 8804 states and 12999 transitions. [2024-11-13 14:16:07,250 INFO L78 Accepts]: Start accepts. Automaton has 8804 states and 12999 transitions. Word has length 1564 [2024-11-13 14:16:07,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:16:07,251 INFO L471 AbstractCegarLoop]: Abstraction has 8804 states and 12999 transitions. [2024-11-13 14:16:07,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 14:16:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 8804 states and 12999 transitions. [2024-11-13 14:16:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1567 [2024-11-13 14:16:07,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:16:07,268 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:16:07,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-13 14:16:07,269 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:16:07,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:16:07,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1584308218, now seen corresponding path program 1 times [2024-11-13 14:16:07,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:16:07,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448797979] [2024-11-13 14:16:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:16:07,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:16:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 14:16:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:16:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 14:16:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:16:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-13 14:16:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-13 14:16:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-13 14:16:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 907 [2024-11-13 14:16:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2024-11-13 14:16:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 943 [2024-11-13 14:16:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2024-11-13 14:16:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 971 [2024-11-13 14:16:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 983 [2024-11-13 14:16:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 995 [2024-11-13 14:16:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:16:19,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:16:19,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448797979] [2024-11-13 14:16:19,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448797979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:16:19,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:16:19,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:16:19,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495673525] [2024-11-13 14:16:19,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:16:19,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:16:19,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:16:19,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:16:19,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:16:19,586 INFO L87 Difference]: Start difference. First operand 8804 states and 12999 transitions. Second operand has 6 states, 6 states have (on average 249.83333333333334) internal successors, (1499), 6 states have internal predecessors, (1499), 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 14:16:20,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:16:20,812 INFO L93 Difference]: Finished difference Result 11462 states and 16939 transitions. [2024-11-13 14:16:20,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:16:20,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 249.83333333333334) internal successors, (1499), 6 states have internal predecessors, (1499), 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 1566 [2024-11-13 14:16:20,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:16:20,817 INFO L225 Difference]: With dead ends: 11462 [2024-11-13 14:16:20,817 INFO L226 Difference]: Without dead ends: 8831 [2024-11-13 14:16:20,819 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 14:16:20,819 INFO L432 NwaCegarLoop]: 2222 mSDtfsCounter, 5262 mSDsluCounter, 6584 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5269 SdHoareTripleChecker+Valid, 8806 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:16:20,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5269 Valid, 8806 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:16:20,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8831 states. [2024-11-13 14:16:20,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8831 to 8805. [2024-11-13 14:16:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8805 states, 8733 states have (on average 1.472575289133173) internal successors, (12860), 8733 states have internal predecessors, (12860), 70 states have call successors, (70), 1 states have call predecessors, (70), 1 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-13 14:16:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8805 states to 8805 states and 13000 transitions. [2024-11-13 14:16:20,905 INFO L78 Accepts]: Start accepts. Automaton has 8805 states and 13000 transitions. Word has length 1566 [2024-11-13 14:16:20,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:16:20,906 INFO L471 AbstractCegarLoop]: Abstraction has 8805 states and 13000 transitions. [2024-11-13 14:16:20,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 249.83333333333334) internal successors, (1499), 6 states have internal predecessors, (1499), 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 14:16:20,906 INFO L276 IsEmpty]: Start isEmpty. Operand 8805 states and 13000 transitions. [2024-11-13 14:16:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1568 [2024-11-13 14:16:20,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:16:20,926 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:16:20,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-13 14:16:20,926 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:16:20,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:16:20,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1763993859, now seen corresponding path program 1 times [2024-11-13 14:16:20,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:16:20,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449386657] [2024-11-13 14:16:20,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:16:20,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:16:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:16:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 14:16:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:16:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 14:16:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:16:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:16:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 14:16:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2024-11-13 14:16:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2024-11-13 14:16:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 944 [2024-11-13 14:16:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2024-11-13 14:16:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 972 [2024-11-13 14:16:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 984 [2024-11-13 14:16:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 996 [2024-11-13 14:16:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 637 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:16:35,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:16:35,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449386657] [2024-11-13 14:16:35,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449386657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:16:35,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:16:35,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:16:35,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932519137] [2024-11-13 14:16:35,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:16:35,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:16:35,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:16:35,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:16:35,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:16:35,842 INFO L87 Difference]: Start difference. First operand 8805 states and 13000 transitions. Second operand has 7 states, 7 states have (on average 214.28571428571428) internal successors, (1500), 7 states have internal predecessors, (1500), 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 14:16:37,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:16:37,431 INFO L93 Difference]: Finished difference Result 14056 states and 20786 transitions. [2024-11-13 14:16:37,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:16:37,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 214.28571428571428) internal successors, (1500), 7 states have internal predecessors, (1500), 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 1567 [2024-11-13 14:16:37,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:16:37,440 INFO L225 Difference]: With dead ends: 14056 [2024-11-13 14:16:37,441 INFO L226 Difference]: Without dead ends: 11425 [2024-11-13 14:16:37,445 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 14:16:37,445 INFO L432 NwaCegarLoop]: 4175 mSDtfsCounter, 3843 mSDsluCounter, 14668 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3848 SdHoareTripleChecker+Valid, 18843 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:16:37,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3848 Valid, 18843 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2557 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 14:16:37,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11425 states. [2024-11-13 14:16:37,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11425 to 8871. [2024-11-13 14:16:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8871 states, 8797 states have (on average 1.4722064340115948) internal successors, (12951), 8797 states have internal predecessors, (12951), 72 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-13 14:16:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8871 states to 8871 states and 13095 transitions. [2024-11-13 14:16:37,551 INFO L78 Accepts]: Start accepts. Automaton has 8871 states and 13095 transitions. Word has length 1567 [2024-11-13 14:16:37,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:16:37,552 INFO L471 AbstractCegarLoop]: Abstraction has 8871 states and 13095 transitions. [2024-11-13 14:16:37,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 214.28571428571428) internal successors, (1500), 7 states have internal predecessors, (1500), 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 14:16:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 8871 states and 13095 transitions. [2024-11-13 14:16:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1569 [2024-11-13 14:16:37,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:16:37,606 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:16:37,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-13 14:16:37,606 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:16:37,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:16:37,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1887714982, now seen corresponding path program 1 times [2024-11-13 14:16:37,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:16:37,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304632393] [2024-11-13 14:16:37,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:16:37,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:16:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:16:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 14:16:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-13 14:16:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 14:16:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-13 14:16:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 14:16:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-13 14:16:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 908 [2024-11-13 14:16:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2024-11-13 14:16:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 945 [2024-11-13 14:16:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2024-11-13 14:16:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2024-11-13 14:16:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 985 [2024-11-13 14:16:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 997 [2024-11-13 14:16:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 634 proven. 3 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:16:55,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:16:55,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304632393] [2024-11-13 14:16:55,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304632393] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:16:55,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160842648] [2024-11-13 14:16:55,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:16:55,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:16:55,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:16:55,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:16:55,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:16:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:16:59,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 7199 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 14:16:59,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:16:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 928 trivial. 0 not checked. [2024-11-13 14:16:59,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:16:59,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160842648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:16:59,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:16:59,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-13 14:16:59,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015295679] [2024-11-13 14:16:59,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:16:59,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:16:59,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:16:59,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:16:59,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:16:59,991 INFO L87 Difference]: Start difference. First operand 8871 states and 13095 transitions. Second operand has 6 states, 6 states have (on average 150.33333333333334) internal successors, (902), 6 states have internal predecessors, (902), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:17:01,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:17:01,168 INFO L93 Difference]: Finished difference Result 17053 states and 25184 transitions. [2024-11-13 14:17:01,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:17:01,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 150.33333333333334) internal successors, (902), 6 states have internal predecessors, (902), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 1568 [2024-11-13 14:17:01,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:17:01,174 INFO L225 Difference]: With dead ends: 17053 [2024-11-13 14:17:01,174 INFO L226 Difference]: Without dead ends: 8899 [2024-11-13 14:17:01,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1604 GetRequests, 1593 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:17:01,178 INFO L432 NwaCegarLoop]: 2161 mSDtfsCounter, 2382 mSDsluCounter, 6446 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 8607 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:17:01,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2388 Valid, 8607 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 14:17:01,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8899 states. [2024-11-13 14:17:01,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8899 to 8885. [2024-11-13 14:17:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8885 states, 8811 states have (on average 1.4714561343774828) internal successors, (12965), 8811 states have internal predecessors, (12965), 72 states have call successors, (72), 1 states have call predecessors, (72), 1 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-13 14:17:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8885 states to 8885 states and 13109 transitions. [2024-11-13 14:17:01,310 INFO L78 Accepts]: Start accepts. Automaton has 8885 states and 13109 transitions. Word has length 1568 [2024-11-13 14:17:01,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:17:01,310 INFO L471 AbstractCegarLoop]: Abstraction has 8885 states and 13109 transitions. [2024-11-13 14:17:01,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 150.33333333333334) internal successors, (902), 6 states have internal predecessors, (902), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:17:01,311 INFO L276 IsEmpty]: Start isEmpty. Operand 8885 states and 13109 transitions. [2024-11-13 14:17:01,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1571 [2024-11-13 14:17:01,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:17:01,337 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:17:01,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:17:01,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:17:01,538 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:17:01,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:17:01,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1741384122, now seen corresponding path program 1 times [2024-11-13 14:17:01,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:17:01,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682123132] [2024-11-13 14:17:01,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:17:01,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:17:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:17:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:17:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 14:17:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:17:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:17:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:17:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:17:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2024-11-13 14:17:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2024-11-13 14:17:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2024-11-13 14:17:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2024-11-13 14:17:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2024-11-13 14:17:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2024-11-13 14:17:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2024-11-13 14:17:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-13 14:17:15,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:17:15,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682123132] [2024-11-13 14:17:15,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682123132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:17:15,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:17:15,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 14:17:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183757726] [2024-11-13 14:17:15,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:17:15,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:17:15,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:17:15,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:17:15,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:17:15,983 INFO L87 Difference]: Start difference. First operand 8885 states and 13109 transitions. Second operand has 10 states, 10 states have (on average 147.6) internal successors, (1476), 10 states have internal predecessors, (1476), 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 14:17:17,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:17:17,970 INFO L93 Difference]: Finished difference Result 24003 states and 35540 transitions. [2024-11-13 14:17:17,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:17:17,971 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 147.6) internal successors, (1476), 10 states have internal predecessors, (1476), 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 1570 [2024-11-13 14:17:17,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:17:17,985 INFO L225 Difference]: With dead ends: 24003 [2024-11-13 14:17:17,985 INFO L226 Difference]: Without dead ends: 16645 [2024-11-13 14:17:17,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:17:17,990 INFO L432 NwaCegarLoop]: 2113 mSDtfsCounter, 3777 mSDsluCounter, 13538 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3779 SdHoareTripleChecker+Valid, 15651 SdHoareTripleChecker+Invalid, 2673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:17:17,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3779 Valid, 15651 Invalid, 2673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2670 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:17:18,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16645 states. [2024-11-13 14:17:18,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16645 to 9473. [2024-11-13 14:17:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9473 states, 9366 states have (on average 1.466047405509289) internal successors, (13731), 9366 states have internal predecessors, (13731), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-11-13 14:17:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9473 states to 9473 states and 13941 transitions. [2024-11-13 14:17:18,139 INFO L78 Accepts]: Start accepts. Automaton has 9473 states and 13941 transitions. Word has length 1570 [2024-11-13 14:17:18,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:17:18,140 INFO L471 AbstractCegarLoop]: Abstraction has 9473 states and 13941 transitions. [2024-11-13 14:17:18,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 147.6) internal successors, (1476), 10 states have internal predecessors, (1476), 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 14:17:18,140 INFO L276 IsEmpty]: Start isEmpty. Operand 9473 states and 13941 transitions. [2024-11-13 14:17:18,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1571 [2024-11-13 14:17:18,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:17:18,158 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:17:18,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-13 14:17:18,158 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:17:18,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:17:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash -136183218, now seen corresponding path program 1 times [2024-11-13 14:17:18,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:17:18,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980451160] [2024-11-13 14:17:18,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:17:18,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:17:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:17:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:17:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 14:17:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:17:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:17:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-13 14:17:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-13 14:17:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2024-11-13 14:17:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 925 [2024-11-13 14:17:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2024-11-13 14:17:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 963 [2024-11-13 14:17:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2024-11-13 14:17:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2024-11-13 14:17:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 999 [2024-11-13 14:17:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:24,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 917 trivial. 0 not checked. [2024-11-13 14:17:24,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:17:24,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980451160] [2024-11-13 14:17:24,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980451160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:17:24,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:17:24,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:17:24,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525638445] [2024-11-13 14:17:24,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:17:24,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:17:24,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:17:24,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:17:24,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:17:24,339 INFO L87 Difference]: Start difference. First operand 9473 states and 13941 transitions. Second operand has 6 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 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 14:17:25,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:17:25,976 INFO L93 Difference]: Finished difference Result 24460 states and 36178 transitions. [2024-11-13 14:17:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:17:25,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 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 1570 [2024-11-13 14:17:25,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:17:25,993 INFO L225 Difference]: With dead ends: 24460 [2024-11-13 14:17:25,993 INFO L226 Difference]: Without dead ends: 17216 [2024-11-13 14:17:25,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 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 14:17:25,998 INFO L432 NwaCegarLoop]: 4009 mSDtfsCounter, 4565 mSDsluCounter, 10071 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4570 SdHoareTripleChecker+Valid, 14080 SdHoareTripleChecker+Invalid, 2075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:17:25,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4570 Valid, 14080 Invalid, 2075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 14:17:26,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17216 states. [2024-11-13 14:17:26,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17216 to 10278. [2024-11-13 14:17:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10278 states, 10127 states have (on average 1.4624271748790363) internal successors, (14810), 10127 states have internal predecessors, (14810), 149 states have call successors, (149), 1 states have call predecessors, (149), 1 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-13 14:17:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10278 states to 10278 states and 15108 transitions. [2024-11-13 14:17:26,131 INFO L78 Accepts]: Start accepts. Automaton has 10278 states and 15108 transitions. Word has length 1570 [2024-11-13 14:17:26,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:17:26,132 INFO L471 AbstractCegarLoop]: Abstraction has 10278 states and 15108 transitions. [2024-11-13 14:17:26,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 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 14:17:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 10278 states and 15108 transitions. [2024-11-13 14:17:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1573 [2024-11-13 14:17:26,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:17:26,156 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:17:26,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-13 14:17:26,156 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:17:26,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:17:26,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1140173792, now seen corresponding path program 1 times [2024-11-13 14:17:26,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:17:26,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820777915] [2024-11-13 14:17:26,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:17:26,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:17:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:17:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 14:17:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 14:17:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 14:17:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 14:17:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 14:17:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-13 14:17:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 910 [2024-11-13 14:17:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 926 [2024-11-13 14:17:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 948 [2024-11-13 14:17:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 964 [2024-11-13 14:17:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2024-11-13 14:17:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2024-11-13 14:17:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1001 [2024-11-13 14:17:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2024-11-13 14:17:39,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:17:39,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820777915] [2024-11-13 14:17:39,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820777915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:17:39,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:17:39,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:17:39,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967903324] [2024-11-13 14:17:39,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:17:39,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:17:39,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:17:39,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:17:39,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:17:39,351 INFO L87 Difference]: Start difference. First operand 10278 states and 15108 transitions. Second operand has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 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 14:17:40,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:17:40,318 INFO L93 Difference]: Finished difference Result 20183 states and 29660 transitions. [2024-11-13 14:17:40,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:17:40,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 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 1572 [2024-11-13 14:17:40,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:17:40,326 INFO L225 Difference]: With dead ends: 20183 [2024-11-13 14:17:40,326 INFO L226 Difference]: Without dead ends: 10334 [2024-11-13 14:17:40,333 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 14:17:40,333 INFO L432 NwaCegarLoop]: 2160 mSDtfsCounter, 2434 mSDsluCounter, 6476 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2441 SdHoareTripleChecker+Valid, 8636 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:17:40,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2441 Valid, 8636 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:17:40,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10334 states. [2024-11-13 14:17:40,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10334 to 10306. [2024-11-13 14:17:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10306 states, 10155 states have (on average 1.4597735105859182) internal successors, (14824), 10155 states have internal predecessors, (14824), 149 states have call successors, (149), 1 states have call predecessors, (149), 1 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-13 14:17:40,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10306 states to 10306 states and 15122 transitions. [2024-11-13 14:17:40,510 INFO L78 Accepts]: Start accepts. Automaton has 10306 states and 15122 transitions. Word has length 1572 [2024-11-13 14:17:40,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:17:40,511 INFO L471 AbstractCegarLoop]: Abstraction has 10306 states and 15122 transitions. [2024-11-13 14:17:40,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 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 14:17:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 10306 states and 15122 transitions. [2024-11-13 14:17:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1575 [2024-11-13 14:17:40,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:17:40,537 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:17:40,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-13 14:17:40,538 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:17:40,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:17:40,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1265411246, now seen corresponding path program 1 times [2024-11-13 14:17:40,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:17:40,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587586336] [2024-11-13 14:17:40,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:17:40,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:17:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:55,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:17:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:55,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:17:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:55,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:17:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:55,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:17:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 14:17:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:17:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:17:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2024-11-13 14:17:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2024-11-13 14:17:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2024-11-13 14:17:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2024-11-13 14:17:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2024-11-13 14:17:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2024-11-13 14:17:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2024-11-13 14:17:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:17:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-11-13 14:17:56,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:17:56,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587586336] [2024-11-13 14:17:56,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587586336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:17:56,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:17:56,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:17:56,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460654425] [2024-11-13 14:17:56,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:17:56,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:17:56,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:17:56,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:17:56,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:17:56,027 INFO L87 Difference]: Start difference. First operand 10306 states and 15122 transitions. Second operand has 5 states, 5 states have (on average 285.4) internal successors, (1427), 5 states have internal predecessors, (1427), 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 14:17:56,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:17:56,714 INFO L93 Difference]: Finished difference Result 17605 states and 25952 transitions. [2024-11-13 14:17:56,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:17:56,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 285.4) internal successors, (1427), 5 states have internal predecessors, (1427), 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 1574 [2024-11-13 14:17:56,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:17:56,722 INFO L225 Difference]: With dead ends: 17605 [2024-11-13 14:17:56,722 INFO L226 Difference]: Without dead ends: 10318 [2024-11-13 14:17:56,727 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 14:17:56,728 INFO L432 NwaCegarLoop]: 2178 mSDtfsCounter, 1585 mSDsluCounter, 4334 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 6512 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:17:56,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 6512 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:17:56,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10318 states. [2024-11-13 14:17:56,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10318 to 10312. [2024-11-13 14:17:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10312 states, 10161 states have (on average 1.459502017517961) internal successors, (14830), 10161 states have internal predecessors, (14830), 149 states have call successors, (149), 1 states have call predecessors, (149), 1 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-13 14:17:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10312 states to 10312 states and 15128 transitions. [2024-11-13 14:17:56,837 INFO L78 Accepts]: Start accepts. Automaton has 10312 states and 15128 transitions. Word has length 1574 [2024-11-13 14:17:56,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:17:56,838 INFO L471 AbstractCegarLoop]: Abstraction has 10312 states and 15128 transitions. [2024-11-13 14:17:56,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 285.4) internal successors, (1427), 5 states have internal predecessors, (1427), 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 14:17:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 10312 states and 15128 transitions. [2024-11-13 14:17:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1575 [2024-11-13 14:17:56,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:17:56,854 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:17:56,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 14:17:56,855 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:17:56,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:17:56,855 INFO L85 PathProgramCache]: Analyzing trace with hash 743879548, now seen corresponding path program 1 times [2024-11-13 14:17:56,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:17:56,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785616727] [2024-11-13 14:17:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:17:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:18:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:18:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:18:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:18:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 14:18:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:18:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:18:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 912 [2024-11-13 14:18:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 928 [2024-11-13 14:18:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 950 [2024-11-13 14:18:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 966 [2024-11-13 14:18:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2024-11-13 14:18:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:05,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2024-11-13 14:18:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:06,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2024-11-13 14:18:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 908 trivial. 0 not checked. [2024-11-13 14:18:06,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:06,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785616727] [2024-11-13 14:18:06,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785616727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:18:06,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:18:06,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:18:06,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235420221] [2024-11-13 14:18:06,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:18:06,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:18:06,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:06,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:18:06,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:18:06,008 INFO L87 Difference]: Start difference. First operand 10312 states and 15128 transitions. Second operand has 4 states, 4 states have (on average 241.5) internal successors, (966), 4 states have internal predecessors, (966), 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 14:18:06,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:06,684 INFO L93 Difference]: Finished difference Result 17601 states and 25942 transitions. [2024-11-13 14:18:06,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:18:06,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 241.5) internal successors, (966), 4 states have internal predecessors, (966), 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 1574 [2024-11-13 14:18:06,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:06,695 INFO L225 Difference]: With dead ends: 17601 [2024-11-13 14:18:06,695 INFO L226 Difference]: Without dead ends: 10312 [2024-11-13 14:18:06,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 14:18:06,703 INFO L432 NwaCegarLoop]: 2179 mSDtfsCounter, 2340 mSDsluCounter, 2167 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 4346 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:06,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 4346 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:18:06,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10312 states. [2024-11-13 14:18:06,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10312 to 10312. [2024-11-13 14:18:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10312 states, 10161 states have (on average 1.4589115244562543) internal successors, (14824), 10161 states have internal predecessors, (14824), 149 states have call successors, (149), 1 states have call predecessors, (149), 1 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-13 14:18:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10312 states to 10312 states and 15122 transitions. [2024-11-13 14:18:06,835 INFO L78 Accepts]: Start accepts. Automaton has 10312 states and 15122 transitions. Word has length 1574 [2024-11-13 14:18:06,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:06,836 INFO L471 AbstractCegarLoop]: Abstraction has 10312 states and 15122 transitions. [2024-11-13 14:18:06,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 241.5) internal successors, (966), 4 states have internal predecessors, (966), 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 14:18:06,836 INFO L276 IsEmpty]: Start isEmpty. Operand 10312 states and 15122 transitions. [2024-11-13 14:18:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1577 [2024-11-13 14:18:06,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:06,853 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:18:06,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 14:18:06,853 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:06,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:06,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1295711694, now seen corresponding path program 1 times [2024-11-13 14:18:06,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:06,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939699597] [2024-11-13 14:18:06,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:06,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:18:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:18:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 14:18:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 14:18:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-13 14:18:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-13 14:18:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 14:18:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 913 [2024-11-13 14:18:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 929 [2024-11-13 14:18:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 951 [2024-11-13 14:18:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 967 [2024-11-13 14:18:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2024-11-13 14:18:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2024-11-13 14:18:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2024-11-13 14:18:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 636 proven. 5 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:18:24,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:18:24,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939699597] [2024-11-13 14:18:24,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939699597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:18:24,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747844489] [2024-11-13 14:18:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:24,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:18:24,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:18:24,910 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:18:24,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:18:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:18:28,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 7215 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 14:18:28,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:18:32,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 752 proven. 3 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 14:18:32,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:18:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 599 proven. 3 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-11-13 14:18:38,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747844489] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:18:38,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:18:38,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 10] total 27 [2024-11-13 14:18:38,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532188569] [2024-11-13 14:18:38,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:18:38,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 14:18:38,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:18:38,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 14:18:38,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2024-11-13 14:18:38,304 INFO L87 Difference]: Start difference. First operand 10312 states and 15122 transitions. Second operand has 27 states, 27 states have (on average 121.85185185185185) internal successors, (3290), 27 states have internal predecessors, (3290), 5 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-13 14:18:44,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:18:44,072 INFO L93 Difference]: Finished difference Result 23178 states and 34037 transitions. [2024-11-13 14:18:44,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-13 14:18:44,073 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 121.85185185185185) internal successors, (3290), 27 states have internal predecessors, (3290), 5 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) Word has length 1576 [2024-11-13 14:18:44,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:18:44,084 INFO L225 Difference]: With dead ends: 23178 [2024-11-13 14:18:44,084 INFO L226 Difference]: Without dead ends: 13367 [2024-11-13 14:18:44,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3215 GetRequests, 3166 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=445, Invalid=2105, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 14:18:44,093 INFO L432 NwaCegarLoop]: 4097 mSDtfsCounter, 7164 mSDsluCounter, 59112 mSDsCounter, 0 mSdLazyCounter, 9473 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7164 SdHoareTripleChecker+Valid, 63209 SdHoareTripleChecker+Invalid, 9482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:18:44,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7164 Valid, 63209 Invalid, 9482 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 9473 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-13 14:18:44,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13367 states. [2024-11-13 14:18:44,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13367 to 10816. [2024-11-13 14:18:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10816 states, 10650 states have (on average 1.4469483568075117) internal successors, (15410), 10650 states have internal predecessors, (15410), 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 14:18:44,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10816 states to 10816 states and 15738 transitions. [2024-11-13 14:18:44,223 INFO L78 Accepts]: Start accepts. Automaton has 10816 states and 15738 transitions. Word has length 1576 [2024-11-13 14:18:44,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:18:44,223 INFO L471 AbstractCegarLoop]: Abstraction has 10816 states and 15738 transitions. [2024-11-13 14:18:44,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 121.85185185185185) internal successors, (3290), 27 states have internal predecessors, (3290), 5 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-13 14:18:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand 10816 states and 15738 transitions. [2024-11-13 14:18:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1584 [2024-11-13 14:18:44,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:18:44,240 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:18:44,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:18:44,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-13 14:18:44,441 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:18:44,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:18:44,442 INFO L85 PathProgramCache]: Analyzing trace with hash -646052578, now seen corresponding path program 1 times [2024-11-13 14:18:44,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:18:44,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398648266] [2024-11-13 14:18:44,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:18:44,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:18:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:19:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:19:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:19:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:19:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:19:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 14:19:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-13 14:19:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 917 [2024-11-13 14:19:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 933 [2024-11-13 14:19:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 955 [2024-11-13 14:19:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 973 [2024-11-13 14:19:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 985 [2024-11-13 14:19:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2024-11-13 14:19:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1011 [2024-11-13 14:19:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:00,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 644 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:19:00,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:00,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398648266] [2024-11-13 14:19:00,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398648266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:00,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332124429] [2024-11-13 14:19:00,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:00,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:00,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:00,940 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:00,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:19:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:04,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 7228 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 14:19:05,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2024-11-13 14:19:05,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:19:05,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332124429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:05,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:19:05,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2024-11-13 14:19:05,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614053754] [2024-11-13 14:19:05,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:05,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:19:05,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:05,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:19:05,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:19:05,593 INFO L87 Difference]: Start difference. First operand 10816 states and 15738 transitions. Second operand has 11 states, 11 states have (on average 86.36363636363636) internal successors, (950), 11 states have internal predecessors, (950), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:19:07,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:07,159 INFO L93 Difference]: Finished difference Result 18951 states and 27734 transitions. [2024-11-13 14:19:07,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:19:07,159 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 86.36363636363636) internal successors, (950), 11 states have internal predecessors, (950), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 1583 [2024-11-13 14:19:07,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:07,167 INFO L225 Difference]: With dead ends: 18951 [2024-11-13 14:19:07,168 INFO L226 Difference]: Without dead ends: 10922 [2024-11-13 14:19:07,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1619 GetRequests, 1603 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:19:07,174 INFO L432 NwaCegarLoop]: 2148 mSDtfsCounter, 2338 mSDsluCounter, 17071 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 19219 SdHoareTripleChecker+Invalid, 2957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:07,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 19219 Invalid, 2957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2955 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 14:19:07,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10922 states. [2024-11-13 14:19:07,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10922 to 10824. [2024-11-13 14:19:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10824 states, 10658 states have (on average 1.4436104334772002) internal successors, (15386), 10658 states have internal predecessors, (15386), 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 14:19:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10824 states to 10824 states and 15714 transitions. [2024-11-13 14:19:07,288 INFO L78 Accepts]: Start accepts. Automaton has 10824 states and 15714 transitions. Word has length 1583 [2024-11-13 14:19:07,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:07,289 INFO L471 AbstractCegarLoop]: Abstraction has 10824 states and 15714 transitions. [2024-11-13 14:19:07,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 86.36363636363636) internal successors, (950), 11 states have internal predecessors, (950), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:19:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 10824 states and 15714 transitions. [2024-11-13 14:19:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1586 [2024-11-13 14:19:07,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:07,306 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:19:07,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 14:19:07,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:07,506 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:07,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash 944949186, now seen corresponding path program 1 times [2024-11-13 14:19:07,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:07,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933592166] [2024-11-13 14:19:07,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:19:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:19:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:19:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:19:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:19:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-13 14:19:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-13 14:19:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 918 [2024-11-13 14:19:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 934 [2024-11-13 14:19:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 956 [2024-11-13 14:19:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 974 [2024-11-13 14:19:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 986 [2024-11-13 14:19:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1000 [2024-11-13 14:19:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2024-11-13 14:19:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2024-11-13 14:19:18,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:18,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933592166] [2024-11-13 14:19:18,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933592166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:18,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:18,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:19:18,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181851570] [2024-11-13 14:19:18,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:18,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:19:18,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:18,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:19:18,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:19:18,187 INFO L87 Difference]: Start difference. First operand 10824 states and 15714 transitions. Second operand has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 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 14:19:19,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:19,242 INFO L93 Difference]: Finished difference Result 28534 states and 41421 transitions. [2024-11-13 14:19:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:19:19,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 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 1585 [2024-11-13 14:19:19,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:19,257 INFO L225 Difference]: With dead ends: 28534 [2024-11-13 14:19:19,257 INFO L226 Difference]: Without dead ends: 18547 [2024-11-13 14:19:19,266 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 14:19:19,266 INFO L432 NwaCegarLoop]: 2174 mSDtfsCounter, 4618 mSDsluCounter, 6504 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4630 SdHoareTripleChecker+Valid, 8678 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:19,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4630 Valid, 8678 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:19:19,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18547 states. [2024-11-13 14:19:19,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18547 to 11490. [2024-11-13 14:19:19,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11490 states, 11300 states have (on average 1.4385840707964601) internal successors, (16256), 11300 states have internal predecessors, (16256), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-13 14:19:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11490 states to 11490 states and 16632 transitions. [2024-11-13 14:19:19,515 INFO L78 Accepts]: Start accepts. Automaton has 11490 states and 16632 transitions. Word has length 1585 [2024-11-13 14:19:19,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:19,515 INFO L471 AbstractCegarLoop]: Abstraction has 11490 states and 16632 transitions. [2024-11-13 14:19:19,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 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 14:19:19,516 INFO L276 IsEmpty]: Start isEmpty. Operand 11490 states and 16632 transitions. [2024-11-13 14:19:19,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1587 [2024-11-13 14:19:19,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:19,533 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:19:19,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 14:19:19,533 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:19,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:19,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1227744629, now seen corresponding path program 1 times [2024-11-13 14:19:19,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:19,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731737562] [2024-11-13 14:19:19,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:19,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:19:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:19:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:19:33,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:19:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:19:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:19:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:19:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-11-13 14:19:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2024-11-13 14:19:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2024-11-13 14:19:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2024-11-13 14:19:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2024-11-13 14:19:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1001 [2024-11-13 14:19:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1014 [2024-11-13 14:19:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2024-11-13 14:19:33,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:33,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731737562] [2024-11-13 14:19:33,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731737562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:33,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:33,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:19:33,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446127534] [2024-11-13 14:19:33,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:33,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:19:33,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:33,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:19:33,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:19:33,926 INFO L87 Difference]: Start difference. First operand 11490 states and 16632 transitions. Second operand has 8 states, 8 states have (on average 119.375) internal successors, (955), 8 states have internal predecessors, (955), 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 14:19:34,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:34,275 INFO L93 Difference]: Finished difference Result 24257 states and 35510 transitions. [2024-11-13 14:19:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:19:34,276 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 119.375) internal successors, (955), 8 states have internal predecessors, (955), 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 1586 [2024-11-13 14:19:34,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:34,289 INFO L225 Difference]: With dead ends: 24257 [2024-11-13 14:19:34,289 INFO L226 Difference]: Without dead ends: 16406 [2024-11-13 14:19:34,295 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 14:19:34,296 INFO L432 NwaCegarLoop]: 2450 mSDtfsCounter, 4568 mSDsluCounter, 12210 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4576 SdHoareTripleChecker+Valid, 14660 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:34,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4576 Valid, 14660 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:19:34,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16406 states. [2024-11-13 14:19:34,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16406 to 11478. [2024-11-13 14:19:34,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11478 states, 11288 states have (on average 1.4379872430900071) internal successors, (16232), 11288 states have internal predecessors, (16232), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-13 14:19:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11478 states to 11478 states and 16608 transitions. [2024-11-13 14:19:34,465 INFO L78 Accepts]: Start accepts. Automaton has 11478 states and 16608 transitions. Word has length 1586 [2024-11-13 14:19:34,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:34,466 INFO L471 AbstractCegarLoop]: Abstraction has 11478 states and 16608 transitions. [2024-11-13 14:19:34,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 119.375) internal successors, (955), 8 states have internal predecessors, (955), 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 14:19:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 11478 states and 16608 transitions. [2024-11-13 14:19:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1587 [2024-11-13 14:19:34,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:34,483 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:19:34,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-13 14:19:34,484 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:34,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:34,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1095608242, now seen corresponding path program 1 times [2024-11-13 14:19:34,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:34,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177747959] [2024-11-13 14:19:34,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:34,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:19:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:19:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:19:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:19:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:19:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:19:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:19:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 919 [2024-11-13 14:19:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 935 [2024-11-13 14:19:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 957 [2024-11-13 14:19:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2024-11-13 14:19:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 987 [2024-11-13 14:19:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1001 [2024-11-13 14:19:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1014 [2024-11-13 14:19:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:45,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2024-11-13 14:19:45,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:45,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177747959] [2024-11-13 14:19:45,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177747959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:45,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:45,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:19:45,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583478318] [2024-11-13 14:19:45,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:45,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:19:45,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:45,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:19:45,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:19:45,598 INFO L87 Difference]: Start difference. First operand 11478 states and 16608 transitions. Second operand has 5 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 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 14:19:46,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:46,418 INFO L93 Difference]: Finished difference Result 17081 states and 24852 transitions. [2024-11-13 14:19:46,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:19:46,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 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 1586 [2024-11-13 14:19:46,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:19:46,428 INFO L225 Difference]: With dead ends: 17081 [2024-11-13 14:19:46,428 INFO L226 Difference]: Without dead ends: 11502 [2024-11-13 14:19:46,433 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 14:19:46,433 INFO L432 NwaCegarLoop]: 2176 mSDtfsCounter, 2031 mSDsluCounter, 4330 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 6506 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:19:46,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 6506 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:19:46,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11502 states. [2024-11-13 14:19:46,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11502 to 11496. [2024-11-13 14:19:46,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11496 states, 11306 states have (on average 1.4372899345480277) internal successors, (16250), 11306 states have internal predecessors, (16250), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-13 14:19:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11496 states to 11496 states and 16626 transitions. [2024-11-13 14:19:46,561 INFO L78 Accepts]: Start accepts. Automaton has 11496 states and 16626 transitions. Word has length 1586 [2024-11-13 14:19:46,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:19:46,561 INFO L471 AbstractCegarLoop]: Abstraction has 11496 states and 16626 transitions. [2024-11-13 14:19:46,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 249.0) internal successors, (1245), 5 states have internal predecessors, (1245), 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 14:19:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 11496 states and 16626 transitions. [2024-11-13 14:19:46,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1589 [2024-11-13 14:19:46,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:19:46,579 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:19:46,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-13 14:19:46,579 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:19:46,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:46,579 INFO L85 PathProgramCache]: Analyzing trace with hash -622750064, now seen corresponding path program 1 times [2024-11-13 14:19:46,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:46,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549458731] [2024-11-13 14:19:46,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:46,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:20:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:20:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:20:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:20:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:20:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:20:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:20:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2024-11-13 14:20:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2024-11-13 14:20:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2024-11-13 14:20:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2024-11-13 14:20:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2024-11-13 14:20:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2024-11-13 14:20:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2024-11-13 14:20:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 943 trivial. 0 not checked. [2024-11-13 14:20:03,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:03,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549458731] [2024-11-13 14:20:03,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549458731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:03,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:03,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:20:03,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224314697] [2024-11-13 14:20:03,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:03,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:20:03,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:03,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:20:03,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:20:03,405 INFO L87 Difference]: Start difference. First operand 11496 states and 16626 transitions. Second operand has 8 states, 8 states have (on average 118.625) internal successors, (949), 8 states have internal predecessors, (949), 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 14:20:03,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:03,997 INFO L93 Difference]: Finished difference Result 26636 states and 38980 transitions. [2024-11-13 14:20:03,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:20:03,998 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 118.625) internal successors, (949), 8 states have internal predecessors, (949), 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 1588 [2024-11-13 14:20:03,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:04,011 INFO L225 Difference]: With dead ends: 26636 [2024-11-13 14:20:04,011 INFO L226 Difference]: Without dead ends: 18745 [2024-11-13 14:20:04,019 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 14:20:04,020 INFO L432 NwaCegarLoop]: 2538 mSDtfsCounter, 6474 mSDsluCounter, 12462 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6481 SdHoareTripleChecker+Valid, 15000 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:04,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6481 Valid, 15000 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:20:04,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18745 states. [2024-11-13 14:20:04,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18745 to 11512. [2024-11-13 14:20:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11512 states, 11322 states have (on average 1.4366719660837308) internal successors, (16266), 11322 states have internal predecessors, (16266), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-13 14:20:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11512 states to 11512 states and 16642 transitions. [2024-11-13 14:20:04,212 INFO L78 Accepts]: Start accepts. Automaton has 11512 states and 16642 transitions. Word has length 1588 [2024-11-13 14:20:04,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:04,213 INFO L471 AbstractCegarLoop]: Abstraction has 11512 states and 16642 transitions. [2024-11-13 14:20:04,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 118.625) internal successors, (949), 8 states have internal predecessors, (949), 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 14:20:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 11512 states and 16642 transitions. [2024-11-13 14:20:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1589 [2024-11-13 14:20:04,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:04,230 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:20:04,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-11-13 14:20:04,230 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:04,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:04,231 INFO L85 PathProgramCache]: Analyzing trace with hash -2063222128, now seen corresponding path program 1 times [2024-11-13 14:20:04,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:04,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201926726] [2024-11-13 14:20:04,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:04,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:20:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:20:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:20:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:20:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:20:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:20:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-13 14:20:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 920 [2024-11-13 14:20:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 936 [2024-11-13 14:20:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 958 [2024-11-13 14:20:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 976 [2024-11-13 14:20:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 988 [2024-11-13 14:20:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1002 [2024-11-13 14:20:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1015 [2024-11-13 14:20:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:22,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2024-11-13 14:20:22,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:22,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201926726] [2024-11-13 14:20:22,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201926726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:20:22,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:20:22,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:20:22,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305659424] [2024-11-13 14:20:22,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:20:22,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:20:22,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:22,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:20:22,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:20:22,241 INFO L87 Difference]: Start difference. First operand 11512 states and 16642 transitions. Second operand has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 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 14:20:23,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:23,011 INFO L93 Difference]: Finished difference Result 28092 states and 40947 transitions. [2024-11-13 14:20:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:20:23,012 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 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 1588 [2024-11-13 14:20:23,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:23,029 INFO L225 Difference]: With dead ends: 28092 [2024-11-13 14:20:23,029 INFO L226 Difference]: Without dead ends: 20219 [2024-11-13 14:20:23,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:20:23,037 INFO L432 NwaCegarLoop]: 2570 mSDtfsCounter, 4480 mSDsluCounter, 12614 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4485 SdHoareTripleChecker+Valid, 15184 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:23,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4485 Valid, 15184 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:20:23,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20219 states. [2024-11-13 14:20:23,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20219 to 12368. [2024-11-13 14:20:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12368 states, 12129 states have (on average 1.4265809217577707) internal successors, (17303), 12129 states have internal predecessors, (17303), 237 states have call successors, (237), 1 states have call predecessors, (237), 1 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2024-11-13 14:20:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12368 states to 12368 states and 17777 transitions. [2024-11-13 14:20:23,218 INFO L78 Accepts]: Start accepts. Automaton has 12368 states and 17777 transitions. Word has length 1588 [2024-11-13 14:20:23,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:23,218 INFO L471 AbstractCegarLoop]: Abstraction has 12368 states and 17777 transitions. [2024-11-13 14:20:23,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 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 14:20:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 12368 states and 17777 transitions. [2024-11-13 14:20:23,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1591 [2024-11-13 14:20:23,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:23,237 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:20:23,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-11-13 14:20:23,237 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:23,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:23,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1807704677, now seen corresponding path program 1 times [2024-11-13 14:20:23,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:23,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49624154] [2024-11-13 14:20:23,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:23,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:20:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:20:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:20:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:20:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:20:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:20:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:20:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 921 [2024-11-13 14:20:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2024-11-13 14:20:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2024-11-13 14:20:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2024-11-13 14:20:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2024-11-13 14:20:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2024-11-13 14:20:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2024-11-13 14:20:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 569 proven. 2 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-13 14:20:34,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:20:34,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49624154] [2024-11-13 14:20:34,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49624154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:20:34,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729727091] [2024-11-13 14:20:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:34,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:34,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:20:34,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:20:34,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:20:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:20:38,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 7241 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:20:38,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:20:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 621 proven. 2 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2024-11-13 14:20:41,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:20:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 646 proven. 2 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:20:44,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729727091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:20:44,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:20:44,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 10 [2024-11-13 14:20:44,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616804381] [2024-11-13 14:20:44,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:20:44,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:20:44,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:20:44,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:20:44,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:20:44,095 INFO L87 Difference]: Start difference. First operand 12368 states and 17777 transitions. Second operand has 10 states, 10 states have (on average 328.4) internal successors, (3284), 10 states have internal predecessors, (3284), 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 14:20:44,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:20:44,787 INFO L93 Difference]: Finished difference Result 20515 states and 29751 transitions. [2024-11-13 14:20:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:20:44,788 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 328.4) internal successors, (3284), 10 states have internal predecessors, (3284), 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 1590 [2024-11-13 14:20:44,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:20:44,798 INFO L225 Difference]: With dead ends: 20515 [2024-11-13 14:20:44,799 INFO L226 Difference]: Without dead ends: 12368 [2024-11-13 14:20:44,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3211 GetRequests, 3203 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:20:44,806 INFO L432 NwaCegarLoop]: 2158 mSDtfsCounter, 1578 mSDsluCounter, 2189 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1578 SdHoareTripleChecker+Valid, 4347 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:20:44,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1578 Valid, 4347 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:20:44,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12368 states. [2024-11-13 14:20:45,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12368 to 12344. [2024-11-13 14:20:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12344 states, 12105 states have (on average 1.4266005782734408) internal successors, (17269), 12105 states have internal predecessors, (17269), 237 states have call successors, (237), 1 states have call predecessors, (237), 1 states have return successors, (237), 237 states have call predecessors, (237), 237 states have call successors, (237) [2024-11-13 14:20:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12344 states to 12344 states and 17743 transitions. [2024-11-13 14:20:45,067 INFO L78 Accepts]: Start accepts. Automaton has 12344 states and 17743 transitions. Word has length 1590 [2024-11-13 14:20:45,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:20:45,068 INFO L471 AbstractCegarLoop]: Abstraction has 12344 states and 17743 transitions. [2024-11-13 14:20:45,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 328.4) internal successors, (3284), 10 states have internal predecessors, (3284), 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 14:20:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 12344 states and 17743 transitions. [2024-11-13 14:20:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1591 [2024-11-13 14:20:45,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:20:45,086 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:20:45,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 14:20:45,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:20:45,287 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:20:45,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:20:45,287 INFO L85 PathProgramCache]: Analyzing trace with hash 588715319, now seen corresponding path program 1 times [2024-11-13 14:20:45,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:20:45,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449808022] [2024-11-13 14:20:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:20:45,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:20:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:21:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:21:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:21:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:21:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:21:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:21:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:21:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 921 [2024-11-13 14:21:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 937 [2024-11-13 14:21:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 959 [2024-11-13 14:21:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 977 [2024-11-13 14:21:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 989 [2024-11-13 14:21:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1003 [2024-11-13 14:21:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1017 [2024-11-13 14:21:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2024-11-13 14:21:03,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:21:03,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449808022] [2024-11-13 14:21:03,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449808022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:21:03,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:21:03,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:21:03,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654422006] [2024-11-13 14:21:03,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:21:03,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:21:03,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:21:03,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:21:03,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:21:03,352 INFO L87 Difference]: Start difference. First operand 12344 states and 17743 transitions. Second operand has 8 states, 8 states have (on average 118.25) internal successors, (946), 8 states have internal predecessors, (946), 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 14:21:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:04,015 INFO L93 Difference]: Finished difference Result 34525 states and 50035 transitions. [2024-11-13 14:21:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:21:04,015 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 118.25) internal successors, (946), 8 states have internal predecessors, (946), 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 1590 [2024-11-13 14:21:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:04,039 INFO L225 Difference]: With dead ends: 34525 [2024-11-13 14:21:04,040 INFO L226 Difference]: Without dead ends: 26305 [2024-11-13 14:21:04,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 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 14:21:04,052 INFO L432 NwaCegarLoop]: 2509 mSDtfsCounter, 8670 mSDsluCounter, 11862 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8684 SdHoareTripleChecker+Valid, 14371 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:04,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8684 Valid, 14371 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:21:04,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26305 states. [2024-11-13 14:21:04,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26305 to 14567. [2024-11-13 14:21:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14567 states, 14241 states have (on average 1.4142265290358824) internal successors, (20140), 14241 states have internal predecessors, (20140), 324 states have call successors, (324), 1 states have call predecessors, (324), 1 states have return successors, (324), 324 states have call predecessors, (324), 324 states have call successors, (324) [2024-11-13 14:21:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14567 states to 14567 states and 20788 transitions. [2024-11-13 14:21:04,336 INFO L78 Accepts]: Start accepts. Automaton has 14567 states and 20788 transitions. Word has length 1590 [2024-11-13 14:21:04,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:21:04,336 INFO L471 AbstractCegarLoop]: Abstraction has 14567 states and 20788 transitions. [2024-11-13 14:21:04,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 118.25) internal successors, (946), 8 states have internal predecessors, (946), 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 14:21:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 14567 states and 20788 transitions. [2024-11-13 14:21:04,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1592 [2024-11-13 14:21:04,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:04,357 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:21:04,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-11-13 14:21:04,357 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:21:04,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:04,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1564653602, now seen corresponding path program 1 times [2024-11-13 14:21:04,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:21:04,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691417749] [2024-11-13 14:21:04,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:04,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:21:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:21:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:21:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:21:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:21:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:21:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-13 14:21:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 14:21:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2024-11-13 14:21:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2024-11-13 14:21:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2024-11-13 14:21:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2024-11-13 14:21:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2024-11-13 14:21:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2024-11-13 14:21:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1018 [2024-11-13 14:21:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 645 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:21:08,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:21:08,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691417749] [2024-11-13 14:21:08,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691417749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:21:08,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:21:08,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:21:08,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730419082] [2024-11-13 14:21:08,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:21:08,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:21:08,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:21:08,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:21:08,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:21:08,761 INFO L87 Difference]: Start difference. First operand 14567 states and 20788 transitions. Second operand has 7 states, 7 states have (on average 217.71428571428572) internal successors, (1524), 7 states have internal predecessors, (1524), 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 14:21:10,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:10,428 INFO L93 Difference]: Finished difference Result 25123 states and 36332 transitions. [2024-11-13 14:21:10,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:21:10,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 217.71428571428572) internal successors, (1524), 7 states have internal predecessors, (1524), 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 1591 [2024-11-13 14:21:10,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:10,446 INFO L225 Difference]: With dead ends: 25123 [2024-11-13 14:21:10,446 INFO L226 Difference]: Without dead ends: 21534 [2024-11-13 14:21:10,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:21:10,453 INFO L432 NwaCegarLoop]: 4058 mSDtfsCounter, 5347 mSDsluCounter, 10203 mSDsCounter, 0 mSdLazyCounter, 2143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5352 SdHoareTripleChecker+Valid, 14261 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:10,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5352 Valid, 14261 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2143 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 14:21:10,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21534 states. [2024-11-13 14:21:10,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21534 to 21303. [2024-11-13 14:21:10,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21303 states, 20977 states have (on average 1.437002431234209) internal successors, (30144), 20977 states have internal predecessors, (30144), 324 states have call successors, (324), 1 states have call predecessors, (324), 1 states have return successors, (324), 324 states have call predecessors, (324), 324 states have call successors, (324) [2024-11-13 14:21:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21303 states to 21303 states and 30792 transitions. [2024-11-13 14:21:10,694 INFO L78 Accepts]: Start accepts. Automaton has 21303 states and 30792 transitions. Word has length 1591 [2024-11-13 14:21:10,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:21:10,694 INFO L471 AbstractCegarLoop]: Abstraction has 21303 states and 30792 transitions. [2024-11-13 14:21:10,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 217.71428571428572) internal successors, (1524), 7 states have internal predecessors, (1524), 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 14:21:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 21303 states and 30792 transitions. [2024-11-13 14:21:10,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1592 [2024-11-13 14:21:10,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:10,718 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:21:10,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-11-13 14:21:10,718 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:21:10,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:10,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1960690378, now seen corresponding path program 1 times [2024-11-13 14:21:10,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:21:10,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757079553] [2024-11-13 14:21:10,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:10,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:21:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:21:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:21:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:21:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:21:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:21:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:21:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:21:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2024-11-13 14:21:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2024-11-13 14:21:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2024-11-13 14:21:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2024-11-13 14:21:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2024-11-13 14:21:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2024-11-13 14:21:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1018 [2024-11-13 14:21:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:25,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-11-13 14:21:25,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:21:25,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757079553] [2024-11-13 14:21:25,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757079553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:21:25,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:21:25,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:21:25,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189851028] [2024-11-13 14:21:25,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:21:25,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:21:25,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:21:25,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:21:25,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:21:25,111 INFO L87 Difference]: Start difference. First operand 21303 states and 30792 transitions. Second operand has 7 states, 7 states have (on average 133.14285714285714) internal successors, (932), 7 states have internal predecessors, (932), 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 14:21:26,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:26,126 INFO L93 Difference]: Finished difference Result 39099 states and 56756 transitions. [2024-11-13 14:21:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:21:26,126 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 133.14285714285714) internal successors, (932), 7 states have internal predecessors, (932), 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 1591 [2024-11-13 14:21:26,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:26,143 INFO L225 Difference]: With dead ends: 39099 [2024-11-13 14:21:26,143 INFO L226 Difference]: Without dead ends: 21519 [2024-11-13 14:21:26,154 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 14:21:26,155 INFO L432 NwaCegarLoop]: 2158 mSDtfsCounter, 2394 mSDsluCounter, 6468 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2399 SdHoareTripleChecker+Valid, 8626 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:26,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2399 Valid, 8626 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:21:26,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21519 states. [2024-11-13 14:21:26,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21519 to 21411. [2024-11-13 14:21:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21411 states, 21085 states have (on average 1.4347640502727057) internal successors, (30252), 21085 states have internal predecessors, (30252), 324 states have call successors, (324), 1 states have call predecessors, (324), 1 states have return successors, (324), 324 states have call predecessors, (324), 324 states have call successors, (324) [2024-11-13 14:21:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21411 states to 21411 states and 30900 transitions. [2024-11-13 14:21:26,501 INFO L78 Accepts]: Start accepts. Automaton has 21411 states and 30900 transitions. Word has length 1591 [2024-11-13 14:21:26,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:21:26,501 INFO L471 AbstractCegarLoop]: Abstraction has 21411 states and 30900 transitions. [2024-11-13 14:21:26,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 133.14285714285714) internal successors, (932), 7 states have internal predecessors, (932), 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 14:21:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 21411 states and 30900 transitions. [2024-11-13 14:21:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1592 [2024-11-13 14:21:26,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:26,525 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:21:26,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-11-13 14:21:26,525 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:21:26,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:26,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1538712879, now seen corresponding path program 1 times [2024-11-13 14:21:26,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:21:26,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15314828] [2024-11-13 14:21:26,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:26,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:21:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:21:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:21:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:21:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:21:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:21:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:21:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:21:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2024-11-13 14:21:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 938 [2024-11-13 14:21:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 960 [2024-11-13 14:21:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 978 [2024-11-13 14:21:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 990 [2024-11-13 14:21:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1004 [2024-11-13 14:21:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1018 [2024-11-13 14:21:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2024-11-13 14:21:43,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:21:43,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15314828] [2024-11-13 14:21:43,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15314828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:21:43,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:21:43,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:21:43,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442515140] [2024-11-13 14:21:43,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:21:43,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:21:43,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:21:43,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:21:43,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:21:43,435 INFO L87 Difference]: Start difference. First operand 21411 states and 30900 transitions. Second operand has 8 states, 8 states have (on average 118.375) internal successors, (947), 8 states have internal predecessors, (947), 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 14:21:44,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:44,578 INFO L93 Difference]: Finished difference Result 50554 states and 73486 transitions. [2024-11-13 14:21:44,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:21:44,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 118.375) internal successors, (947), 8 states have internal predecessors, (947), 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 1591 [2024-11-13 14:21:44,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:44,621 INFO L225 Difference]: With dead ends: 50554 [2024-11-13 14:21:44,622 INFO L226 Difference]: Without dead ends: 40024 [2024-11-13 14:21:44,641 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 14:21:44,641 INFO L432 NwaCegarLoop]: 6611 mSDtfsCounter, 6683 mSDsluCounter, 24297 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6690 SdHoareTripleChecker+Valid, 30908 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:44,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6690 Valid, 30908 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:21:44,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40024 states. [2024-11-13 14:21:45,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40024 to 21411. [2024-11-13 14:21:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21411 states, 21085 states have (on average 1.4347640502727057) internal successors, (30252), 21085 states have internal predecessors, (30252), 324 states have call successors, (324), 1 states have call predecessors, (324), 1 states have return successors, (324), 324 states have call predecessors, (324), 324 states have call successors, (324) [2024-11-13 14:21:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21411 states to 21411 states and 30900 transitions. [2024-11-13 14:21:45,251 INFO L78 Accepts]: Start accepts. Automaton has 21411 states and 30900 transitions. Word has length 1591 [2024-11-13 14:21:45,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:21:45,251 INFO L471 AbstractCegarLoop]: Abstraction has 21411 states and 30900 transitions. [2024-11-13 14:21:45,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 118.375) internal successors, (947), 8 states have internal predecessors, (947), 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 14:21:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 21411 states and 30900 transitions. [2024-11-13 14:21:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1593 [2024-11-13 14:21:45,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:21:45,274 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:21:45,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-13 14:21:45,274 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:21:45,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:21:45,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1798819540, now seen corresponding path program 1 times [2024-11-13 14:21:45,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:21:45,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075119832] [2024-11-13 14:21:45,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:21:45,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:21:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:21:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:21:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:21:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:21:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:21:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 14:21:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:21:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2024-11-13 14:21:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 939 [2024-11-13 14:21:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2024-11-13 14:21:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2024-11-13 14:21:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2024-11-13 14:21:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2024-11-13 14:21:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2024-11-13 14:21:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:21:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2024-11-13 14:21:59,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:21:59,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075119832] [2024-11-13 14:21:59,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075119832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:21:59,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:21:59,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:21:59,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499869197] [2024-11-13 14:21:59,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:21:59,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:21:59,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:21:59,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:21:59,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:21:59,165 INFO L87 Difference]: Start difference. First operand 21411 states and 30900 transitions. Second operand has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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 14:21:59,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:21:59,716 INFO L93 Difference]: Finished difference Result 47607 states and 68903 transitions. [2024-11-13 14:21:59,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:21:59,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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 1592 [2024-11-13 14:21:59,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:21:59,762 INFO L225 Difference]: With dead ends: 47607 [2024-11-13 14:21:59,762 INFO L226 Difference]: Without dead ends: 37126 [2024-11-13 14:21:59,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:21:59,782 INFO L432 NwaCegarLoop]: 2437 mSDtfsCounter, 5843 mSDsluCounter, 7277 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5850 SdHoareTripleChecker+Valid, 9714 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:21:59,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5850 Valid, 9714 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:21:59,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37126 states. [2024-11-13 14:22:00,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37126 to 32272. [2024-11-13 14:22:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32272 states, 31670 states have (on average 1.422955478370698) internal successors, (45065), 31670 states have internal predecessors, (45065), 600 states have call successors, (600), 1 states have call predecessors, (600), 1 states have return successors, (600), 600 states have call predecessors, (600), 600 states have call successors, (600) [2024-11-13 14:22:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32272 states to 32272 states and 46265 transitions. [2024-11-13 14:22:00,566 INFO L78 Accepts]: Start accepts. Automaton has 32272 states and 46265 transitions. Word has length 1592 [2024-11-13 14:22:00,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:22:00,567 INFO L471 AbstractCegarLoop]: Abstraction has 32272 states and 46265 transitions. [2024-11-13 14:22:00,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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 14:22:00,567 INFO L276 IsEmpty]: Start isEmpty. Operand 32272 states and 46265 transitions. [2024-11-13 14:22:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1593 [2024-11-13 14:22:00,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:22:00,617 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:22:00,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-11-13 14:22:00,618 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:22:00,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash 140676112, now seen corresponding path program 1 times [2024-11-13 14:22:00,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:00,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565217917] [2024-11-13 14:22:00,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:00,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:22:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:22:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:22:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:22:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:22:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:22:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 14:22:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:22:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2024-11-13 14:22:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 939 [2024-11-13 14:22:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2024-11-13 14:22:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2024-11-13 14:22:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2024-11-13 14:22:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1005 [2024-11-13 14:22:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1019 [2024-11-13 14:22:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 645 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:22:17,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:22:17,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565217917] [2024-11-13 14:22:17,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565217917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:22:17,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000568095] [2024-11-13 14:22:17,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:17,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:22:17,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:22:17,960 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:22:17,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:22:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:22:25,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 7241 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 14:22:25,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:22:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 277 proven. 3 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2024-11-13 14:22:34,136 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:22:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 277 proven. 3 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2024-11-13 14:22:49,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000568095] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:22:49,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:22:49,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 15 [2024-11-13 14:22:49,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235216029] [2024-11-13 14:22:49,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:22:49,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 14:22:49,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:22:49,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 14:22:49,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:22:49,700 INFO L87 Difference]: Start difference. First operand 32272 states and 46265 transitions. Second operand has 15 states, 15 states have (on average 220.2) internal successors, (3303), 15 states have internal predecessors, (3303), 6 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 14:22:53,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:22:53,956 INFO L93 Difference]: Finished difference Result 51114 states and 73969 transitions. [2024-11-13 14:22:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 14:22:53,957 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 220.2) internal successors, (3303), 15 states have internal predecessors, (3303), 6 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) Word has length 1592 [2024-11-13 14:22:53,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:22:53,988 INFO L225 Difference]: With dead ends: 51114 [2024-11-13 14:22:53,988 INFO L226 Difference]: Without dead ends: 40681 [2024-11-13 14:22:54,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3236 GetRequests, 3207 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=719, Unknown=0, NotChecked=0, Total=930 [2024-11-13 14:22:54,002 INFO L432 NwaCegarLoop]: 4058 mSDtfsCounter, 9604 mSDsluCounter, 30045 mSDsCounter, 0 mSdLazyCounter, 6179 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9604 SdHoareTripleChecker+Valid, 34103 SdHoareTripleChecker+Invalid, 6187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:22:54,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9604 Valid, 34103 Invalid, 6187 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 6179 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-13 14:22:54,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40681 states. [2024-11-13 14:22:54,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40681 to 32750. [2024-11-13 14:22:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32750 states, 32130 states have (on average 1.4220666044195456) internal successors, (45691), 32130 states have internal predecessors, (45691), 618 states have call successors, (618), 1 states have call predecessors, (618), 1 states have return successors, (618), 618 states have call predecessors, (618), 618 states have call successors, (618) [2024-11-13 14:22:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32750 states to 32750 states and 46927 transitions. [2024-11-13 14:22:54,805 INFO L78 Accepts]: Start accepts. Automaton has 32750 states and 46927 transitions. Word has length 1592 [2024-11-13 14:22:54,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:22:54,806 INFO L471 AbstractCegarLoop]: Abstraction has 32750 states and 46927 transitions. [2024-11-13 14:22:54,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 220.2) internal successors, (3303), 15 states have internal predecessors, (3303), 6 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 6 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-13 14:22:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 32750 states and 46927 transitions. [2024-11-13 14:22:54,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1594 [2024-11-13 14:22:54,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:22:54,852 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:22:54,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 14:22:55,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-13 14:22:55,053 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:22:55,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:22:55,053 INFO L85 PathProgramCache]: Analyzing trace with hash 491904525, now seen corresponding path program 1 times [2024-11-13 14:22:55,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:22:55,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189665531] [2024-11-13 14:22:55,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:22:55,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:23:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:23:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:23:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:23:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-13 14:23:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 14:23:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-13 14:23:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:23:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2024-11-13 14:23:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2024-11-13 14:23:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2024-11-13 14:23:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2024-11-13 14:23:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2024-11-13 14:23:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2024-11-13 14:23:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2024-11-13 14:23:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:23:11,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:23:11,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189665531] [2024-11-13 14:23:11,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189665531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:23:11,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:23:11,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:23:11,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353900662] [2024-11-13 14:23:11,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:23:11,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:23:11,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:23:11,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:23:11,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:23:11,419 INFO L87 Difference]: Start difference. First operand 32750 states and 46927 transitions. Second operand has 8 states, 8 states have (on average 190.75) internal successors, (1526), 8 states have internal predecessors, (1526), 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 14:23:13,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:23:13,659 INFO L93 Difference]: Finished difference Result 50276 states and 72262 transitions. [2024-11-13 14:23:13,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:23:13,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 190.75) internal successors, (1526), 8 states have internal predecessors, (1526), 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 1593 [2024-11-13 14:23:13,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:23:13,702 INFO L225 Difference]: With dead ends: 50276 [2024-11-13 14:23:13,702 INFO L226 Difference]: Without dead ends: 43946 [2024-11-13 14:23:13,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:23:13,718 INFO L432 NwaCegarLoop]: 4074 mSDtfsCounter, 3907 mSDsluCounter, 16302 mSDsCounter, 0 mSdLazyCounter, 2573 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3914 SdHoareTripleChecker+Valid, 20376 SdHoareTripleChecker+Invalid, 2574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:23:13,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3914 Valid, 20376 Invalid, 2574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2573 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 14:23:13,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43946 states. [2024-11-13 14:23:14,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43946 to 43927. [2024-11-13 14:23:14,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43927 states, 43123 states have (on average 1.4239964751988499) internal successors, (61407), 43123 states have internal predecessors, (61407), 802 states have call successors, (802), 1 states have call predecessors, (802), 1 states have return successors, (802), 802 states have call predecessors, (802), 802 states have call successors, (802) [2024-11-13 14:23:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43927 states to 43927 states and 63011 transitions. [2024-11-13 14:23:14,645 INFO L78 Accepts]: Start accepts. Automaton has 43927 states and 63011 transitions. Word has length 1593 [2024-11-13 14:23:14,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:23:14,646 INFO L471 AbstractCegarLoop]: Abstraction has 43927 states and 63011 transitions. [2024-11-13 14:23:14,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 190.75) internal successors, (1526), 8 states have internal predecessors, (1526), 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 14:23:14,647 INFO L276 IsEmpty]: Start isEmpty. Operand 43927 states and 63011 transitions. [2024-11-13 14:23:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1594 [2024-11-13 14:23:14,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:23:14,707 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:23:14,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-11-13 14:23:14,708 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:23:14,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:23:14,708 INFO L85 PathProgramCache]: Analyzing trace with hash 138900221, now seen corresponding path program 1 times [2024-11-13 14:23:14,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:23:14,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903410766] [2024-11-13 14:23:14,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:14,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:23:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-13 14:23:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:23:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 14:23:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 14:23:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-13 14:23:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 14:23:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-13 14:23:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2024-11-13 14:23:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2024-11-13 14:23:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2024-11-13 14:23:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2024-11-13 14:23:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2024-11-13 14:23:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2024-11-13 14:23:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2024-11-13 14:23:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:23:28,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:23:28,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903410766] [2024-11-13 14:23:28,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903410766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:23:28,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:23:28,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 14:23:28,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456641062] [2024-11-13 14:23:28,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:23:28,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:23:28,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:23:28,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:23:28,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:23:28,466 INFO L87 Difference]: Start difference. First operand 43927 states and 63011 transitions. Second operand has 10 states, 10 states have (on average 152.6) internal successors, (1526), 10 states have internal predecessors, (1526), 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 14:23:31,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:23:31,071 INFO L93 Difference]: Finished difference Result 93527 states and 135439 transitions. [2024-11-13 14:23:31,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:23:31,072 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 152.6) internal successors, (1526), 10 states have internal predecessors, (1526), 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 1593 [2024-11-13 14:23:31,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:23:31,158 INFO L225 Difference]: With dead ends: 93527 [2024-11-13 14:23:31,158 INFO L226 Difference]: Without dead ends: 87197 [2024-11-13 14:23:31,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:23:31,181 INFO L432 NwaCegarLoop]: 2198 mSDtfsCounter, 9870 mSDsluCounter, 15010 mSDsCounter, 0 mSdLazyCounter, 2448 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9884 SdHoareTripleChecker+Valid, 17208 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:23:31,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9884 Valid, 17208 Invalid, 2451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2448 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 14:23:31,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87197 states. [2024-11-13 14:23:32,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87197 to 48249. [2024-11-13 14:23:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48249 states, 47261 states have (on average 1.4165379488373078) internal successors, (66947), 47261 states have internal predecessors, (66947), 986 states have call successors, (986), 1 states have call predecessors, (986), 1 states have return successors, (986), 986 states have call predecessors, (986), 986 states have call successors, (986) [2024-11-13 14:23:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48249 states to 48249 states and 68919 transitions. [2024-11-13 14:23:32,127 INFO L78 Accepts]: Start accepts. Automaton has 48249 states and 68919 transitions. Word has length 1593 [2024-11-13 14:23:32,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:23:32,128 INFO L471 AbstractCegarLoop]: Abstraction has 48249 states and 68919 transitions. [2024-11-13 14:23:32,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 152.6) internal successors, (1526), 10 states have internal predecessors, (1526), 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 14:23:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 48249 states and 68919 transitions. [2024-11-13 14:23:32,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1594 [2024-11-13 14:23:32,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:23:32,190 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:23:32,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-11-13 14:23:32,190 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:23:32,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:23:32,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1512245187, now seen corresponding path program 1 times [2024-11-13 14:23:32,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:23:32,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869940901] [2024-11-13 14:23:32,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:32,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:23:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:23:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:23:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:23:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:23:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:23:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:23:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:23:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2024-11-13 14:23:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2024-11-13 14:23:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2024-11-13 14:23:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2024-11-13 14:23:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2024-11-13 14:23:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2024-11-13 14:23:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2024-11-13 14:23:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:23:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2024-11-13 14:23:50,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:23:50,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869940901] [2024-11-13 14:23:50,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869940901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:23:50,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:23:50,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:23:50,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999929183] [2024-11-13 14:23:50,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:23:50,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:23:50,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:23:50,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:23:50,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:23:50,982 INFO L87 Difference]: Start difference. First operand 48249 states and 68919 transitions. Second operand has 7 states, 7 states have (on average 134.71428571428572) internal successors, (943), 7 states have internal predecessors, (943), 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 14:23:51,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:23:51,611 INFO L93 Difference]: Finished difference Result 80267 states and 115339 transitions. [2024-11-13 14:23:51,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:23:51,611 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 134.71428571428572) internal successors, (943), 7 states have internal predecessors, (943), 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 1593 [2024-11-13 14:23:51,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:23:51,674 INFO L225 Difference]: With dead ends: 80267 [2024-11-13 14:23:51,674 INFO L226 Difference]: Without dead ends: 49241 [2024-11-13 14:23:51,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 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 14:23:51,706 INFO L432 NwaCegarLoop]: 2446 mSDtfsCounter, 2357 mSDsluCounter, 9729 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2361 SdHoareTripleChecker+Valid, 12175 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:23:51,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2361 Valid, 12175 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:23:51,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49241 states. [2024-11-13 14:23:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49241 to 48825. [2024-11-13 14:23:52,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48825 states, 47837 states have (on average 1.4113552271254468) internal successors, (67515), 47837 states have internal predecessors, (67515), 986 states have call successors, (986), 1 states have call predecessors, (986), 1 states have return successors, (986), 986 states have call predecessors, (986), 986 states have call successors, (986) [2024-11-13 14:23:52,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48825 states to 48825 states and 69487 transitions. [2024-11-13 14:23:52,616 INFO L78 Accepts]: Start accepts. Automaton has 48825 states and 69487 transitions. Word has length 1593 [2024-11-13 14:23:52,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:23:52,617 INFO L471 AbstractCegarLoop]: Abstraction has 48825 states and 69487 transitions. [2024-11-13 14:23:52,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 134.71428571428572) internal successors, (943), 7 states have internal predecessors, (943), 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 14:23:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 48825 states and 69487 transitions. [2024-11-13 14:23:52,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1594 [2024-11-13 14:23:52,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:23:52,670 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:23:52,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-11-13 14:23:52,670 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:23:52,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:23:52,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1956748349, now seen corresponding path program 1 times [2024-11-13 14:23:52,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:23:52,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425301177] [2024-11-13 14:23:52,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:23:52,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:24:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:24:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:24:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:24:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:24:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:24:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:24:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:24:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2024-11-13 14:24:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2024-11-13 14:24:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2024-11-13 14:24:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2024-11-13 14:24:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2024-11-13 14:24:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1006 [2024-11-13 14:24:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1020 [2024-11-13 14:24:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 581 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:24:08,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:24:08,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425301177] [2024-11-13 14:24:08,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425301177] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:24:08,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802882387] [2024-11-13 14:24:08,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:24:08,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:24:08,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:24:08,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:24:08,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:24:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:17,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 7240 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 14:24:17,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:24:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 665 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-13 14:24:17,311 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:24:17,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802882387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:24:17,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:24:17,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-13 14:24:17,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300044492] [2024-11-13 14:24:17,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:24:17,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:24:17,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:24:17,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:24:17,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:24:17,319 INFO L87 Difference]: Start difference. First operand 48825 states and 69487 transitions. Second operand has 6 states, 5 states have (on average 294.4) internal successors, (1472), 6 states have internal predecessors, (1472), 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) [2024-11-13 14:24:17,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:24:17,931 INFO L93 Difference]: Finished difference Result 75943 states and 109539 transitions. [2024-11-13 14:24:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:24:17,932 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 294.4) internal successors, (1472), 6 states have internal predecessors, (1472), 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) Word has length 1593 [2024-11-13 14:24:17,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:24:17,972 INFO L225 Difference]: With dead ends: 75943 [2024-11-13 14:24:17,972 INFO L226 Difference]: Without dead ends: 48825 [2024-11-13 14:24:17,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1629 GetRequests, 1618 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 14:24:17,993 INFO L432 NwaCegarLoop]: 2461 mSDtfsCounter, 0 mSDsluCounter, 9817 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12278 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:24:17,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12278 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:24:18,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48825 states. [2024-11-13 14:24:18,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48825 to 48825. [2024-11-13 14:24:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48825 states, 47837 states have (on average 1.4099337333026736) internal successors, (67447), 47837 states have internal predecessors, (67447), 986 states have call successors, (986), 1 states have call predecessors, (986), 1 states have return successors, (986), 986 states have call predecessors, (986), 986 states have call successors, (986) [2024-11-13 14:24:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48825 states to 48825 states and 69419 transitions. [2024-11-13 14:24:18,769 INFO L78 Accepts]: Start accepts. Automaton has 48825 states and 69419 transitions. Word has length 1593 [2024-11-13 14:24:18,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:24:18,771 INFO L471 AbstractCegarLoop]: Abstraction has 48825 states and 69419 transitions. [2024-11-13 14:24:18,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 294.4) internal successors, (1472), 6 states have internal predecessors, (1472), 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) [2024-11-13 14:24:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 48825 states and 69419 transitions. [2024-11-13 14:24:18,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1595 [2024-11-13 14:24:18,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:24:18,830 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:24:18,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 14:24:19,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc911c2e-0c6d-406b-908b-cc6d117db332/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:24:19,031 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:24:19,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:24:19,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1067089505, now seen corresponding path program 1 times [2024-11-13 14:24:19,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:24:19,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547837674] [2024-11-13 14:24:19,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:24:19,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:24:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:24:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:24:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:24:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:24:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:24:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:24:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:24:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2024-11-13 14:24:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 939 [2024-11-13 14:24:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2024-11-13 14:24:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2024-11-13 14:24:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2024-11-13 14:24:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2024-11-13 14:24:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2024-11-13 14:24:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-11-13 14:24:36,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:24:36,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547837674] [2024-11-13 14:24:36,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547837674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:24:36,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:24:36,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 14:24:36,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124180017] [2024-11-13 14:24:36,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:24:36,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:24:36,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:24:36,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:24:36,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:24:36,475 INFO L87 Difference]: Start difference. First operand 48825 states and 69419 transitions. Second operand has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 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 14:24:37,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:24:37,565 INFO L93 Difference]: Finished difference Result 119585 states and 173705 transitions. [2024-11-13 14:24:37,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:24:37,566 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 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 1594 [2024-11-13 14:24:37,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:24:37,637 INFO L225 Difference]: With dead ends: 119585 [2024-11-13 14:24:37,637 INFO L226 Difference]: Without dead ends: 92823 [2024-11-13 14:24:37,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 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 14:24:37,670 INFO L432 NwaCegarLoop]: 2441 mSDtfsCounter, 10870 mSDsluCounter, 11881 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10882 SdHoareTripleChecker+Valid, 14322 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:24:37,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10882 Valid, 14322 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:24:37,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92823 states. [2024-11-13 14:24:38,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92823 to 50995. [2024-11-13 14:24:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50995 states, 49867 states have (on average 1.402270038301883) internal successors, (69927), 49867 states have internal predecessors, (69927), 1126 states have call successors, (1126), 1 states have call predecessors, (1126), 1 states have return successors, (1126), 1126 states have call predecessors, (1126), 1126 states have call successors, (1126) [2024-11-13 14:24:38,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50995 states to 50995 states and 72179 transitions. [2024-11-13 14:24:38,748 INFO L78 Accepts]: Start accepts. Automaton has 50995 states and 72179 transitions. Word has length 1594 [2024-11-13 14:24:38,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:24:38,748 INFO L471 AbstractCegarLoop]: Abstraction has 50995 states and 72179 transitions. [2024-11-13 14:24:38,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 119.75) internal successors, (958), 8 states have internal predecessors, (958), 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 14:24:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 50995 states and 72179 transitions. [2024-11-13 14:24:38,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1595 [2024-11-13 14:24:38,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:24:38,798 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:24:38,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-11-13 14:24:38,799 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:24:38,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:24:38,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1885429759, now seen corresponding path program 1 times [2024-11-13 14:24:38,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:24:38,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848711656] [2024-11-13 14:24:38,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:24:38,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:24:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:24:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:24:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:24:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:24:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:24:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:24:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-13 14:24:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 923 [2024-11-13 14:24:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 939 [2024-11-13 14:24:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 961 [2024-11-13 14:24:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 979 [2024-11-13 14:24:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 991 [2024-11-13 14:24:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1007 [2024-11-13 14:24:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1021 [2024-11-13 14:24:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:24:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 931 trivial. 0 not checked. [2024-11-13 14:24:50,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:24:50,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848711656] [2024-11-13 14:24:50,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848711656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:24:50,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:24:50,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 14:24:50,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132933809] [2024-11-13 14:24:50,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:24:50,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:24:50,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:24:50,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:24:50,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:24:50,740 INFO L87 Difference]: Start difference. First operand 50995 states and 72179 transitions. Second operand has 7 states, 7 states have (on average 137.71428571428572) internal successors, (964), 7 states have internal predecessors, (964), 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 14:24:52,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:24:52,144 INFO L93 Difference]: Finished difference Result 77685 states and 111611 transitions. [2024-11-13 14:24:52,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:24:52,144 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 137.71428571428572) internal successors, (964), 7 states have internal predecessors, (964), 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 1594 [2024-11-13 14:24:52,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:24:52,184 INFO L225 Difference]: With dead ends: 77685 [2024-11-13 14:24:52,184 INFO L226 Difference]: Without dead ends: 51083 [2024-11-13 14:24:52,203 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 14:24:52,203 INFO L432 NwaCegarLoop]: 2157 mSDtfsCounter, 4709 mSDsluCounter, 6456 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4710 SdHoareTripleChecker+Valid, 8613 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:24:52,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4710 Valid, 8613 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 14:24:52,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51083 states. [2024-11-13 14:24:52,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51083 to 50267. [2024-11-13 14:24:52,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50267 states, 49171 states have (on average 1.4029814321449634) internal successors, (68986), 49171 states have internal predecessors, (68986), 1094 states have call successors, (1094), 1 states have call predecessors, (1094), 1 states have return successors, (1094), 1094 states have call predecessors, (1094), 1094 states have call successors, (1094) [2024-11-13 14:24:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50267 states to 50267 states and 71174 transitions. [2024-11-13 14:24:53,053 INFO L78 Accepts]: Start accepts. Automaton has 50267 states and 71174 transitions. Word has length 1594 [2024-11-13 14:24:53,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:24:53,053 INFO L471 AbstractCegarLoop]: Abstraction has 50267 states and 71174 transitions. [2024-11-13 14:24:53,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 137.71428571428572) internal successors, (964), 7 states have internal predecessors, (964), 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 14:24:53,054 INFO L276 IsEmpty]: Start isEmpty. Operand 50267 states and 71174 transitions. [2024-11-13 14:24:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1596 [2024-11-13 14:24:53,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:24:53,104 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 14:24:53,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-11-13 14:24:53,105 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:24:53,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:24:53,105 INFO L85 PathProgramCache]: Analyzing trace with hash -202434913, now seen corresponding path program 1 times [2024-11-13 14:24:53,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:24:53,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448848171] [2024-11-13 14:24:53,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:24:53,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:25:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:25:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:25:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 14:25:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-13 14:25:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-13 14:25:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-13 14:25:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-13 14:25:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 924 [2024-11-13 14:25:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2024-11-13 14:25:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2024-11-13 14:25:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:02,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 980 [2024-11-13 14:25:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:03,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 992 [2024-11-13 14:25:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:03,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1008 [2024-11-13 14:25:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:03,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1022 [2024-11-13 14:25:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:25:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-11-13 14:25:03,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:25:03,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448848171] [2024-11-13 14:25:03,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448848171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:25:03,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:25:03,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:25:03,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426595466] [2024-11-13 14:25:03,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:25:03,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:25:03,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:25:03,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:25:03,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:25:03,005 INFO L87 Difference]: Start difference. First operand 50267 states and 71174 transitions. Second operand has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 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 14:25:03,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:25:03,810 INFO L93 Difference]: Finished difference Result 101749 states and 147406 transitions. [2024-11-13 14:25:03,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:25:03,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 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 1595 [2024-11-13 14:25:03,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:25:03,871 INFO L225 Difference]: With dead ends: 101749 [2024-11-13 14:25:03,871 INFO L226 Difference]: Without dead ends: 75675 [2024-11-13 14:25:03,899 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 14:25:03,899 INFO L432 NwaCegarLoop]: 4478 mSDtfsCounter, 2120 mSDsluCounter, 11340 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2121 SdHoareTripleChecker+Valid, 15818 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:25:03,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2121 Valid, 15818 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:25:03,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75675 states. [2024-11-13 14:25:04,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75675 to 50289. [2024-11-13 14:25:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50289 states, 49193 states have (on average 1.4028012115544894) internal successors, (69008), 49193 states have internal predecessors, (69008), 1094 states have call successors, (1094), 1 states have call predecessors, (1094), 1 states have return successors, (1094), 1094 states have call predecessors, (1094), 1094 states have call successors, (1094) [2024-11-13 14:25:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50289 states to 50289 states and 71196 transitions. [2024-11-13 14:25:04,993 INFO L78 Accepts]: Start accepts. Automaton has 50289 states and 71196 transitions. Word has length 1595 [2024-11-13 14:25:04,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:25:04,993 INFO L471 AbstractCegarLoop]: Abstraction has 50289 states and 71196 transitions. [2024-11-13 14:25:04,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 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 14:25:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 50289 states and 71196 transitions. [2024-11-13 14:25:05,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1596 [2024-11-13 14:25:05,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:25:05,046 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:25:05,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-11-13 14:25:05,046 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:25:05,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:25:05,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1323511783, now seen corresponding path program 1 times [2024-11-13 14:25:05,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:25:05,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338617810] [2024-11-13 14:25:05,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:25:05,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms