./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/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_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/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 32bit --witnessprinter.graph.data.programhash 372612807ec8a09625942983a4318ea5cf13bd58b55643cc4c787d7ad1a0ebc5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:20:42,048 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:20:42,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:20:42,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:20:42,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:20:42,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:20:42,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:20:42,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:20:42,224 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:20:42,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:20:42,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:20:42,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:20:42,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:20:42,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:20:42,227 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:20:42,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:20:42,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:20:42,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:20:42,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:20:42,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:20:42,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:20:42,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:20:42,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:20:42,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:20:42,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:20:42,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:20:42,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:20:42,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:20:42,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:20:42,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:20:42,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:20:42,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:20:42,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:20:42,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:20:42,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:20:42,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:20:42,229 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:20:42,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:20:42,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:20:42,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:20:42,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:20:42,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:20:42,231 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_5bee6da5-1754-48ce-9de3-a13f88122c0a/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 372612807ec8a09625942983a4318ea5cf13bd58b55643cc4c787d7ad1a0ebc5 [2024-11-13 16:20:42,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:20:42,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:20:42,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:20:42,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:20:42,689 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:20:42,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-56.i Unable to find full path for "g++" [2024-11-13 16:20:45,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:20:45,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:20:45,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-56.i [2024-11-13 16:20:45,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/data/6b128debb/a055f8c11bce47c98054356c8c72c241/FLAGf9708d290 [2024-11-13 16:20:45,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/data/6b128debb/a055f8c11bce47c98054356c8c72c241 [2024-11-13 16:20:45,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:20:45,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:20:45,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:20:45,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:20:45,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:20:45,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:20:45" (1/1) ... [2024-11-13 16:20:45,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1b3df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:45, skipping insertion in model container [2024-11-13 16:20:45,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:20:45" (1/1) ... [2024-11-13 16:20:45,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:20:45,757 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_5bee6da5-1754-48ce-9de3-a13f88122c0a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-56.i[916,929] [2024-11-13 16:20:45,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:20:45,980 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:20:45,996 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_5bee6da5-1754-48ce-9de3-a13f88122c0a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-56.i[916,929] [2024-11-13 16:20:46,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:20:46,141 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:20:46,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46 WrapperNode [2024-11-13 16:20:46,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:20:46,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:20:46,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:20:46,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:20:46,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,258 INFO L138 Inliner]: procedures = 26, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 326 [2024-11-13 16:20:46,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:20:46,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:20:46,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:20:46,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:20:46,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,287 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,320 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 16:20:46,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,371 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:20:46,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:20:46,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:20:46,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:20:46,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (1/1) ... [2024-11-13 16:20:46,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:20:46,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:20:46,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:20:46,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bee6da5-1754-48ce-9de3-a13f88122c0a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:20:46,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:20:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:20:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:20:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:20:46,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:20:46,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:20:46,638 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:20:46,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:20:47,471 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 16:20:47,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:20:47,492 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:20:47,496 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:20:47,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:20:47 BoogieIcfgContainer [2024-11-13 16:20:47,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:20:47,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:20:47,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:20:47,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:20:47,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:20:45" (1/3) ... [2024-11-13 16:20:47,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7338ffdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:20:47, skipping insertion in model container [2024-11-13 16:20:47,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:20:46" (2/3) ... [2024-11-13 16:20:47,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7338ffdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:20:47, skipping insertion in model container [2024-11-13 16:20:47,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:20:47" (3/3) ... [2024-11-13 16:20:47,510 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-56.i [2024-11-13 16:20:47,530 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:20:47,533 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-56.i that has 2 procedures, 141 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:20:47,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:20:47,654 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;@3a866a65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:20:47,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:20:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 82 states have internal predecessors, (115), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-13 16:20:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2024-11-13 16:20:47,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:47,689 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:20:47,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:20:47,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:47,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1992771488, now seen corresponding path program 1 times [2024-11-13 16:20:47,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:47,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427396165] [2024-11-13 16:20:47,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:47,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:20:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:20:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:20:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:20:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:20:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:20:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:20:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:20:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:20:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:20:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:20:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:20:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:20:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 16:20:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 16:20:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 16:20:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:20:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:20:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:20:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 16:20:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 16:20:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 16:20:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 16:20:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 16:20:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 16:20:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 16:20:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:20:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 16:20:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:20:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 16:20:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 16:20:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 16:20:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 16:20:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 16:20:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-13 16:20:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-13 16:20:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-13 16:20:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:48,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-13 16:20:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-13 16:20:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-13 16:20:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-13 16:20:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-13 16:20:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-13 16:20:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 16:20:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-13 16:20:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 16:20:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-13 16:20:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-13 16:20:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 16:20:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-13 16:20:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-13 16:20:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-13 16:20:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-13 16:20:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-13 16:20:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-13 16:20:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-13 16:20:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-13 16:20:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-13 16:20:49,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:49,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427396165] [2024-11-13 16:20:49,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427396165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:49,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:20:49,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:20:49,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38680360] [2024-11-13 16:20:49,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:49,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:20:49,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:49,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:20:49,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:20:49,222 INFO L87 Difference]: Start difference. First operand has 141 states, 81 states have (on average 1.4197530864197532) internal successors, (115), 82 states have internal predecessors, (115), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-13 16:20:49,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:49,413 INFO L93 Difference]: Finished difference Result 369 states and 702 transitions. [2024-11-13 16:20:49,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:20:49,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 348 [2024-11-13 16:20:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:49,438 INFO L225 Difference]: With dead ends: 369 [2024-11-13 16:20:49,438 INFO L226 Difference]: Without dead ends: 231 [2024-11-13 16:20:49,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:20:49,453 INFO L432 NwaCegarLoop]: 316 mSDtfsCounter, 145 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:49,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 525 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:49,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-13 16:20:49,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-11-13 16:20:49,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 130 states have (on average 1.376923076923077) internal successors, (179), 131 states have internal predecessors, (179), 95 states have call successors, (95), 2 states have call predecessors, (95), 2 states have return successors, (95), 94 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-13 16:20:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 369 transitions. [2024-11-13 16:20:49,592 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 369 transitions. Word has length 348 [2024-11-13 16:20:49,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:49,594 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 369 transitions. [2024-11-13 16:20:49,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-13 16:20:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 369 transitions. [2024-11-13 16:20:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-13 16:20:49,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:49,613 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:20:49,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:20:49,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:20:49,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:49,614 INFO L85 PathProgramCache]: Analyzing trace with hash -982652002, now seen corresponding path program 1 times [2024-11-13 16:20:49,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:49,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648446024] [2024-11-13 16:20:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:49,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:20:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:20:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:20:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:20:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:20:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:20:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:20:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:20:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:20:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:20:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:20:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:20:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:20:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 16:20:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 16:20:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 16:20:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:20:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:20:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:20:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 16:20:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 16:20:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 16:20:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 16:20:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 16:20:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 16:20:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 16:20:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:20:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 16:20:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:20:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 16:20:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 16:20:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 16:20:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 16:20:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 16:20:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-13 16:20:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-13 16:20:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-13 16:20:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-13 16:20:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-13 16:20:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-13 16:20:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-13 16:20:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-13 16:20:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-13 16:20:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 16:20:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-13 16:20:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 16:20:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-13 16:20:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-13 16:20:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 16:20:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-13 16:20:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-13 16:20:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-13 16:20:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-13 16:20:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-13 16:20:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-13 16:20:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-13 16:20:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-13 16:20:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:20:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-13 16:20:52,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:20:52,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648446024] [2024-11-13 16:20:52,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648446024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:20:52,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:20:52,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:20:52,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289887734] [2024-11-13 16:20:52,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:20:52,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:20:52,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:20:52,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:20:52,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:20:52,345 INFO L87 Difference]: Start difference. First operand 228 states and 369 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-13 16:20:52,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:20:52,575 INFO L93 Difference]: Finished difference Result 533 states and 845 transitions. [2024-11-13 16:20:52,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:20:52,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 349 [2024-11-13 16:20:52,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:20:52,592 INFO L225 Difference]: With dead ends: 533 [2024-11-13 16:20:52,592 INFO L226 Difference]: Without dead ends: 308 [2024-11-13 16:20:52,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:20:52,596 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 50 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:20:52,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 867 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:20:52,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-13 16:20:52,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 282. [2024-11-13 16:20:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 174 states have (on average 1.3735632183908046) internal successors, (239), 177 states have internal predecessors, (239), 103 states have call successors, (103), 4 states have call predecessors, (103), 4 states have return successors, (103), 100 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-13 16:20:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 445 transitions. [2024-11-13 16:20:52,682 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 445 transitions. Word has length 349 [2024-11-13 16:20:52,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:20:52,687 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 445 transitions. [2024-11-13 16:20:52,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-13 16:20:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 445 transitions. [2024-11-13 16:20:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-13 16:20:52,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:20:52,699 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:20:52,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:20:52,699 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:20:52,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:20:52,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1791998628, now seen corresponding path program 1 times [2024-11-13 16:20:52,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:20:52,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359619164] [2024-11-13 16:20:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:20:52,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:20:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,518 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 209 DAG size of output: 193 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:28:20,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:28:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:28:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:28:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:28:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:28:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:28:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:28:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:28:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:28:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:28:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:28:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:28:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:28:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 16:28:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 16:28:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 16:28:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:28:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:28:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:28:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 16:28:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 16:28:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 16:28:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 16:28:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 16:28:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 16:28:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 16:28:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:28:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 16:28:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:28:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 16:28:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 16:28:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 16:28:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 16:28:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 16:28:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-13 16:28:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-13 16:28:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-13 16:28:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-13 16:28:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-13 16:28:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-13 16:28:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-13 16:28:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-13 16:28:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-13 16:28:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 16:28:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-13 16:28:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 16:28:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-13 16:28:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-13 16:28:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 16:28:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-13 16:28:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-13 16:28:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-13 16:28:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-13 16:28:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-13 16:28:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-13 16:28:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-13 16:28:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-13 16:28:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-13 16:28:20,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:20,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359619164] [2024-11-13 16:28:20,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359619164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:20,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:20,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 16:28:20,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508599006] [2024-11-13 16:28:20,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:20,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 16:28:20,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:20,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 16:28:20,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:28:20,872 INFO L87 Difference]: Start difference. First operand 282 states and 445 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-13 16:28:29,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:29,138 INFO L93 Difference]: Finished difference Result 1068 states and 1622 transitions. [2024-11-13 16:28:29,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 16:28:29,139 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 349 [2024-11-13 16:28:29,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:29,148 INFO L225 Difference]: With dead ends: 1068 [2024-11-13 16:28:29,149 INFO L226 Difference]: Without dead ends: 789 [2024-11-13 16:28:29,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:28:29,152 INFO L432 NwaCegarLoop]: 402 mSDtfsCounter, 428 mSDsluCounter, 1392 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1794 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:29,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1794 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 16:28:29,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-13 16:28:29,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 561. [2024-11-13 16:28:29,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 344 states have (on average 1.3546511627906976) internal successors, (466), 350 states have internal predecessors, (466), 206 states have call successors, (206), 10 states have call predecessors, (206), 10 states have return successors, (206), 200 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-13 16:28:29,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 878 transitions. [2024-11-13 16:28:29,402 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 878 transitions. Word has length 349 [2024-11-13 16:28:29,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:29,403 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 878 transitions. [2024-11-13 16:28:29,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-13 16:28:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 878 transitions. [2024-11-13 16:28:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-13 16:28:29,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:29,408 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:28:29,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:28:29,409 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:29,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:29,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1111940258, now seen corresponding path program 1 times [2024-11-13 16:28:29,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:29,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869322251] [2024-11-13 16:28:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:29,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:34:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:34:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:34:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:34:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:34:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:34:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:34:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:34:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:34:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:34:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:34:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 16:34:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:34:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 16:34:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 16:34:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 16:34:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:34:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 16:34:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-13 16:34:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 16:34:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-13 16:34:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 16:34:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-13 16:34:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-13 16:34:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-13 16:34:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-13 16:34:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 16:34:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-13 16:34:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 16:34:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-13 16:34:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-13 16:34:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-13 16:34:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-13 16:34:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-13 16:34:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-13 16:34:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-13 16:34:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-13 16:34:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-13 16:34:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-13 16:34:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-13 16:34:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-13 16:34:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-13 16:34:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-13 16:34:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-13 16:34:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-13 16:34:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-13 16:34:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-13 16:34:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-13 16:34:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-11-13 16:34:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-11-13 16:34:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-11-13 16:34:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-11-13 16:34:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-11-13 16:34:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-11-13 16:34:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-11-13 16:34:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-13 16:34:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-13 16:34:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-13 16:34:40,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:34:40,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869322251] [2024-11-13 16:34:40,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869322251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:34:40,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:34:40,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-13 16:34:40,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443946877] [2024-11-13 16:34:40,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:34:40,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 16:34:40,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:34:40,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 16:34:40,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:34:40,645 INFO L87 Difference]: Start difference. First operand 561 states and 878 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-13 16:34:45,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:34:45,723 INFO L93 Difference]: Finished difference Result 1692 states and 2566 transitions. [2024-11-13 16:34:45,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 16:34:45,725 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 349 [2024-11-13 16:34:45,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:34:45,736 INFO L225 Difference]: With dead ends: 1692 [2024-11-13 16:34:45,738 INFO L226 Difference]: Without dead ends: 1134 [2024-11-13 16:34:45,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-13 16:34:45,745 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 377 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:34:45,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1803 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 16:34:45,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2024-11-13 16:34:46,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 774. [2024-11-13 16:34:46,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 464 states have (on average 1.3426724137931034) internal successors, (623), 469 states have internal predecessors, (623), 293 states have call successors, (293), 16 states have call predecessors, (293), 16 states have return successors, (293), 288 states have call predecessors, (293), 293 states have call successors, (293) [2024-11-13 16:34:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1209 transitions. [2024-11-13 16:34:46,028 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1209 transitions. Word has length 349 [2024-11-13 16:34:46,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:34:46,028 INFO L471 AbstractCegarLoop]: Abstraction has 774 states and 1209 transitions. [2024-11-13 16:34:46,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-13 16:34:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1209 transitions. [2024-11-13 16:34:46,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-13 16:34:46,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:34:46,034 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:34:46,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:34:46,034 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:34:46,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:46,035 INFO L85 PathProgramCache]: Analyzing trace with hash -281587424, now seen corresponding path program 1 times [2024-11-13 16:34:46,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:34:46,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889787175] [2024-11-13 16:34:46,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:34:46,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat