./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1 --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 1a0ae75f5f463a17182a89879ce4658fe5861ec9a86c60f6d3e9ad481b43e0d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:59,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:59,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:49:59,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:59,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:59,292 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:59,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:59,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:59,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:59,294 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:59,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:59,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:59,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:59,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:59,295 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:59,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:59,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:59,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:59,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:49:59,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:59,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:59,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:59,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:59,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:59,296 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:59,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:59,296 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:59,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:59,296 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:59,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:59,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:59,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:59,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:59,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:59,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:59,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:59,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:59,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:59,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:59,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:59,298 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:59,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:59,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:49:59,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:49:59,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:59,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:59,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:59,299 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:59,299 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_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1 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 -> 1a0ae75f5f463a17182a89879ce4658fe5861ec9a86c60f6d3e9ad481b43e0d3 [2024-12-02 05:49:59,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:59,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:59,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:59,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:59,569 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:59,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-12-02 05:50:02,724 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/data/c00d2c8ba/43aefe09233a41deadf111771ea21c89/FLAG02363880e [2024-12-02 05:50:02,974 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:02,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-12-02 05:50:02,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/data/c00d2c8ba/43aefe09233a41deadf111771ea21c89/FLAG02363880e [2024-12-02 05:50:03,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/data/c00d2c8ba/43aefe09233a41deadf111771ea21c89 [2024-12-02 05:50:03,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:03,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:03,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:03,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:03,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:03,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3f2651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03, skipping insertion in model container [2024-12-02 05:50:03,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:03,224 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_9612bc48-e580-4a13-9565-6559f3b389f1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i[916,929] [2024-12-02 05:50:03,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:03,341 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:03,353 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_9612bc48-e580-4a13-9565-6559f3b389f1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i[916,929] [2024-12-02 05:50:03,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:03,423 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:03,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03 WrapperNode [2024-12-02 05:50:03,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:03,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:03,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:03,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:03,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,494 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 342 [2024-12-02 05:50:03,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:03,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:03,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:03,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:03,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,536 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]. [2024-12-02 05:50:03,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,551 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:03,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:03,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:03,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:03,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (1/1) ... [2024-12-02 05:50:03,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:03,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:03,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:03,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9612bc48-e580-4a13-9565-6559f3b389f1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:50:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:03,745 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:03,747 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:04,316 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:04,317 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:04,329 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:04,329 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:04,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:04 BoogieIcfgContainer [2024-12-02 05:50:04,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:04,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:04,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:04,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:04,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:03" (1/3) ... [2024-12-02 05:50:04,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7283f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:04, skipping insertion in model container [2024-12-02 05:50:04,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:03" (2/3) ... [2024-12-02 05:50:04,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7283f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:04, skipping insertion in model container [2024-12-02 05:50:04,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:04" (3/3) ... [2024-12-02 05:50:04,340 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-12-02 05:50:04,356 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:04,359 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-10.i that has 2 procedures, 150 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:50:04,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:04,435 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;@15e76a8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:04,435 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:50:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-12-02 05:50:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-12-02 05:50:04,458 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:04,459 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:04,459 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:04,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:04,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1387648609, now seen corresponding path program 1 times [2024-12-02 05:50:04,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:04,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174203809] [2024-12-02 05:50:04,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:04,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:50:05,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:05,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174203809] [2024-12-02 05:50:05,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174203809] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:05,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:05,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:05,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451798671] [2024-12-02 05:50:05,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:05,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:05,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:05,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:05,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:05,055 INFO L87 Difference]: Start difference. First operand has 150 states, 98 states have (on average 1.4591836734693877) internal successors, (143), 99 states have internal predecessors, (143), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:50:05,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:05,156 INFO L93 Difference]: Finished difference Result 394 states and 715 transitions. [2024-12-02 05:50:05,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:05,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 309 [2024-12-02 05:50:05,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:05,169 INFO L225 Difference]: With dead ends: 394 [2024-12-02 05:50:05,169 INFO L226 Difference]: Without dead ends: 247 [2024-12-02 05:50:05,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:05,177 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 160 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:05,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 534 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:05,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-12-02 05:50:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 244. [2024-12-02 05:50:05,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 166 states have (on average 1.4518072289156627) internal successors, (241), 167 states have internal predecessors, (241), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-12-02 05:50:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 391 transitions. [2024-12-02 05:50:05,256 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 391 transitions. Word has length 309 [2024-12-02 05:50:05,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:05,258 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 391 transitions. [2024-12-02 05:50:05,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:50:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 391 transitions. [2024-12-02 05:50:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-12-02 05:50:05,266 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:05,267 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:05,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 05:50:05,267 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:05,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:05,268 INFO L85 PathProgramCache]: Analyzing trace with hash 21187039, now seen corresponding path program 1 times [2024-12-02 05:50:05,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:05,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471947210] [2024-12-02 05:50:05,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:05,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:50:05,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:05,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471947210] [2024-12-02 05:50:05,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471947210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:05,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:05,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:05,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899592601] [2024-12-02 05:50:05,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:05,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:05,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:05,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:05,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:05,850 INFO L87 Difference]: Start difference. First operand 244 states and 391 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:50:05,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:05,934 INFO L93 Difference]: Finished difference Result 726 states and 1167 transitions. [2024-12-02 05:50:05,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:05,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 309 [2024-12-02 05:50:05,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:05,942 INFO L225 Difference]: With dead ends: 726 [2024-12-02 05:50:05,942 INFO L226 Difference]: Without dead ends: 485 [2024-12-02 05:50:05,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:05,945 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 141 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:05,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 522 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:05,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-12-02 05:50:06,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 481. [2024-12-02 05:50:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 326 states have (on average 1.4478527607361964) internal successors, (472), 328 states have internal predecessors, (472), 150 states have call successors, (150), 4 states have call predecessors, (150), 4 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-12-02 05:50:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 772 transitions. [2024-12-02 05:50:06,050 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 772 transitions. Word has length 309 [2024-12-02 05:50:06,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:06,051 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 772 transitions. [2024-12-02 05:50:06,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:50:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 772 transitions. [2024-12-02 05:50:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-12-02 05:50:06,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:06,059 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:06,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:50:06,060 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:06,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:06,060 INFO L85 PathProgramCache]: Analyzing trace with hash 828180655, now seen corresponding path program 1 times [2024-12-02 05:50:06,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:06,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119807132] [2024-12-02 05:50:06,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:06,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:50:06,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:06,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119807132] [2024-12-02 05:50:06,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119807132] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:06,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:06,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:06,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930331007] [2024-12-02 05:50:06,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:06,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:06,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:06,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:06,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:50:06,919 INFO L87 Difference]: Start difference. First operand 481 states and 772 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:50:07,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:07,325 INFO L93 Difference]: Finished difference Result 1268 states and 2040 transitions. [2024-12-02 05:50:07,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:07,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 311 [2024-12-02 05:50:07,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:07,334 INFO L225 Difference]: With dead ends: 1268 [2024-12-02 05:50:07,334 INFO L226 Difference]: Without dead ends: 790 [2024-12-02 05:50:07,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:07,337 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 175 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:07,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 679 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:07,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-12-02 05:50:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 660. [2024-12-02 05:50:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 454 states have (on average 1.4889867841409692) internal successors, (676), 456 states have internal predecessors, (676), 199 states have call successors, (199), 6 states have call predecessors, (199), 6 states have return successors, (199), 197 states have call predecessors, (199), 199 states have call successors, (199) [2024-12-02 05:50:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1074 transitions. [2024-12-02 05:50:07,454 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1074 transitions. Word has length 311 [2024-12-02 05:50:07,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:07,455 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 1074 transitions. [2024-12-02 05:50:07,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:50:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1074 transitions. [2024-12-02 05:50:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:50:07,462 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:07,463 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:07,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:50:07,463 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:07,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:07,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1345824172, now seen corresponding path program 1 times [2024-12-02 05:50:07,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:07,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749481214] [2024-12-02 05:50:07,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:07,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:50:11,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:11,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749481214] [2024-12-02 05:50:11,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749481214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:11,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:11,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 05:50:11,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022016839] [2024-12-02 05:50:11,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:11,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 05:50:11,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:11,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 05:50:11,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:50:11,359 INFO L87 Difference]: Start difference. First operand 660 states and 1074 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:50:15,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:15,460 INFO L93 Difference]: Finished difference Result 1612 states and 2599 transitions. [2024-12-02 05:50:15,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:50:15,461 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 312 [2024-12-02 05:50:15,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:15,470 INFO L225 Difference]: With dead ends: 1612 [2024-12-02 05:50:15,470 INFO L226 Difference]: Without dead ends: 1368 [2024-12-02 05:50:15,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:50:15,473 INFO L435 NwaCegarLoop]: 403 mSDtfsCounter, 805 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:15,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [805 Valid, 1404 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-02 05:50:15,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2024-12-02 05:50:15,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1075. [2024-12-02 05:50:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 746 states have (on average 1.4986595174262736) internal successors, (1118), 749 states have internal predecessors, (1118), 318 states have call successors, (318), 10 states have call predecessors, (318), 10 states have return successors, (318), 315 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 05:50:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1754 transitions. [2024-12-02 05:50:15,728 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1754 transitions. Word has length 312 [2024-12-02 05:50:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:15,728 INFO L471 AbstractCegarLoop]: Abstraction has 1075 states and 1754 transitions. [2024-12-02 05:50:15,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:50:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1754 transitions. [2024-12-02 05:50:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:50:15,735 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:15,736 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:15,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:50:15,736 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:15,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:15,737 INFO L85 PathProgramCache]: Analyzing trace with hash 459614162, now seen corresponding path program 1 times [2024-12-02 05:50:15,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:15,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118101805] [2024-12-02 05:50:15,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:15,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:50:34,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:34,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118101805] [2024-12-02 05:50:34,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118101805] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:34,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:34,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 05:50:34,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21378829] [2024-12-02 05:50:34,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:34,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 05:50:34,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:34,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 05:50:34,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-12-02 05:50:34,173 INFO L87 Difference]: Start difference. First operand 1075 states and 1754 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:50:36,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:36,571 INFO L93 Difference]: Finished difference Result 2618 states and 4119 transitions. [2024-12-02 05:50:36,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 05:50:36,572 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 312 [2024-12-02 05:50:36,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:36,581 INFO L225 Difference]: With dead ends: 2618 [2024-12-02 05:50:36,581 INFO L226 Difference]: Without dead ends: 1761 [2024-12-02 05:50:36,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-12-02 05:50:36,585 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 754 mSDsluCounter, 1164 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:36,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 1367 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 05:50:36,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2024-12-02 05:50:36,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1165. [2024-12-02 05:50:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1165 states, 836 states have (on average 1.4988038277511961) internal successors, (1253), 839 states have internal predecessors, (1253), 318 states have call successors, (318), 10 states have call predecessors, (318), 10 states have return successors, (318), 315 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 05:50:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1889 transitions. [2024-12-02 05:50:36,775 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1889 transitions. Word has length 312 [2024-12-02 05:50:36,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:36,776 INFO L471 AbstractCegarLoop]: Abstraction has 1165 states and 1889 transitions. [2024-12-02 05:50:36,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 15 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:50:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1889 transitions. [2024-12-02 05:50:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:50:36,779 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:36,779 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:36,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 05:50:36,780 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:50:36,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:36,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1139672532, now seen corresponding path program 1 times [2024-12-02 05:50:36,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:36,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072744925] [2024-12-02 05:50:36,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:36,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:51:43,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:51:43,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:43,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072744925] [2024-12-02 05:51:43,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072744925] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:51:43,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:51:43,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 05:51:43,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33998563] [2024-12-02 05:51:43,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:51:43,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 05:51:43,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:43,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 05:51:43,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-12-02 05:51:43,542 INFO L87 Difference]: Start difference. First operand 1165 states and 1889 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 05:51:52,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:51:52,448 INFO L93 Difference]: Finished difference Result 4235 states and 6578 transitions. [2024-12-02 05:51:52,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 05:51:52,449 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 312 [2024-12-02 05:51:52,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:51:52,463 INFO L225 Difference]: With dead ends: 4235 [2024-12-02 05:51:52,463 INFO L226 Difference]: Without dead ends: 3358 [2024-12-02 05:51:52,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=287, Invalid=973, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 05:51:52,467 INFO L435 NwaCegarLoop]: 217 mSDtfsCounter, 1216 mSDsluCounter, 1833 mSDsCounter, 0 mSdLazyCounter, 2096 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 2050 SdHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 2096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:51:52,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 2050 Invalid, 2341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 2096 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-12-02 05:51:52,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2024-12-02 05:51:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 2276. [2024-12-02 05:51:52,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 1655 states have (on average 1.4610271903323262) internal successors, (2418), 1661 states have internal predecessors, (2418), 587 states have call successors, (587), 33 states have call predecessors, (587), 33 states have return successors, (587), 581 states have call predecessors, (587), 587 states have call successors, (587) [2024-12-02 05:51:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3592 transitions. [2024-12-02 05:51:52,697 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3592 transitions. Word has length 312 [2024-12-02 05:51:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:51:52,698 INFO L471 AbstractCegarLoop]: Abstraction has 2276 states and 3592 transitions. [2024-12-02 05:51:52,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 05:51:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3592 transitions. [2024-12-02 05:51:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:51:52,701 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:51:52,701 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:51:52,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 05:51:52,702 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:51:52,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:51:52,702 INFO L85 PathProgramCache]: Analyzing trace with hash -688511278, now seen corresponding path program 1 times [2024-12-02 05:51:52,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:51:52,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017358777] [2024-12-02 05:51:52,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:51:52,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:51:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:52:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:52:50,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:52:50,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017358777] [2024-12-02 05:52:50,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017358777] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:52:50,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:52:50,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 05:52:50,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899923090] [2024-12-02 05:52:50,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:52:50,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 05:52:50,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:52:50,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 05:52:50,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2024-12-02 05:52:50,106 INFO L87 Difference]: Start difference. First operand 2276 states and 3592 transitions. Second operand has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 05:52:55,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:52:55,516 INFO L93 Difference]: Finished difference Result 4915 states and 7584 transitions. [2024-12-02 05:52:55,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 05:52:55,517 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 312 [2024-12-02 05:52:55,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:52:55,526 INFO L225 Difference]: With dead ends: 4915 [2024-12-02 05:52:55,526 INFO L226 Difference]: Without dead ends: 2965 [2024-12-02 05:52:55,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=237, Invalid=819, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 05:52:55,530 INFO L435 NwaCegarLoop]: 223 mSDtfsCounter, 1033 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 2091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:52:55,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1033 Valid, 1861 Invalid, 2091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 1880 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 05:52:55,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2024-12-02 05:52:55,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2309. [2024-12-02 05:52:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2309 states, 1673 states have (on average 1.438732815301853) internal successors, (2407), 1679 states have internal predecessors, (2407), 587 states have call successors, (587), 48 states have call predecessors, (587), 48 states have return successors, (587), 581 states have call predecessors, (587), 587 states have call successors, (587) [2024-12-02 05:52:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 3581 transitions. [2024-12-02 05:52:55,781 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 3581 transitions. Word has length 312 [2024-12-02 05:52:55,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:52:55,781 INFO L471 AbstractCegarLoop]: Abstraction has 2309 states and 3581 transitions. [2024-12-02 05:52:55,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.6842105263157894) internal successors, (70), 19 states have internal predecessors, (70), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 05:52:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 3581 transitions. [2024-12-02 05:52:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:52:55,783 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:52:55,784 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:52:55,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 05:52:55,784 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:52:55,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:52:55,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1397837970, now seen corresponding path program 1 times [2024-12-02 05:52:55,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:52:55,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575229850] [2024-12-02 05:52:55,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:52:55,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:52:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:53:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:53:15,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:53:15,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575229850] [2024-12-02 05:53:15,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575229850] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:53:15,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:53:15,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 05:53:15,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319451957] [2024-12-02 05:53:15,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:53:15,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 05:53:15,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:53:15,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 05:53:15,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:53:15,532 INFO L87 Difference]: Start difference. First operand 2309 states and 3581 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:53:17,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:53:17,303 INFO L93 Difference]: Finished difference Result 3900 states and 5985 transitions. [2024-12-02 05:53:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 05:53:17,303 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 312 [2024-12-02 05:53:17,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:53:17,316 INFO L225 Difference]: With dead ends: 3900 [2024-12-02 05:53:17,316 INFO L226 Difference]: Without dead ends: 3043 [2024-12-02 05:53:17,319 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2024-12-02 05:53:17,319 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 663 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 957 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:53:17,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1234 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 957 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 05:53:17,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3043 states. [2024-12-02 05:53:17,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3043 to 2340. [2024-12-02 05:53:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2340 states, 1704 states have (on average 1.4419014084507042) internal successors, (2457), 1710 states have internal predecessors, (2457), 587 states have call successors, (587), 48 states have call predecessors, (587), 48 states have return successors, (587), 581 states have call predecessors, (587), 587 states have call successors, (587) [2024-12-02 05:53:17,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 2340 states and 3631 transitions. [2024-12-02 05:53:17,565 INFO L78 Accepts]: Start accepts. Automaton has 2340 states and 3631 transitions. Word has length 312 [2024-12-02 05:53:17,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:53:17,566 INFO L471 AbstractCegarLoop]: Abstraction has 2340 states and 3631 transitions. [2024-12-02 05:53:17,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 12 states have internal predecessors, (70), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:53:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 3631 transitions. [2024-12-02 05:53:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:53:17,567 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:53:17,568 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:53:17,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 05:53:17,568 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:53:17,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:53:17,568 INFO L85 PathProgramCache]: Analyzing trace with hash -430345840, now seen corresponding path program 1 times [2024-12-02 05:53:17,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:53:17,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900321428] [2024-12-02 05:53:17,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:53:17,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:53:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:06,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:54:06,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:06,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900321428] [2024-12-02 05:54:06,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900321428] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:06,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:06,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 05:54:06,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318104203] [2024-12-02 05:54:06,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:06,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 05:54:06,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:06,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 05:54:06,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:54:06,852 INFO L87 Difference]: Start difference. First operand 2340 states and 3631 transitions. Second operand has 16 states, 16 states have (on average 4.375) internal successors, (70), 16 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:54:12,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:12,921 INFO L93 Difference]: Finished difference Result 4041 states and 6174 transitions. [2024-12-02 05:54:12,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 05:54:12,922 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.375) internal successors, (70), 16 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 312 [2024-12-02 05:54:12,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:12,935 INFO L225 Difference]: With dead ends: 4041 [2024-12-02 05:54:12,935 INFO L226 Difference]: Without dead ends: 3184 [2024-12-02 05:54:12,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2024-12-02 05:54:12,939 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 719 mSDsluCounter, 1556 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1776 SdHoareTripleChecker+Invalid, 2049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:12,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1776 Invalid, 2049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-12-02 05:54:12,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3184 states. [2024-12-02 05:54:13,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3184 to 2355. [2024-12-02 05:54:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 1719 states have (on average 1.4438627108784177) internal successors, (2482), 1725 states have internal predecessors, (2482), 587 states have call successors, (587), 48 states have call predecessors, (587), 48 states have return successors, (587), 581 states have call predecessors, (587), 587 states have call successors, (587) [2024-12-02 05:54:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3656 transitions. [2024-12-02 05:54:13,189 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3656 transitions. Word has length 312 [2024-12-02 05:54:13,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:13,189 INFO L471 AbstractCegarLoop]: Abstraction has 2355 states and 3656 transitions. [2024-12-02 05:54:13,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.375) internal successors, (70), 16 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:54:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3656 transitions. [2024-12-02 05:54:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:54:13,192 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:13,192 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:13,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 05:54:13,192 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:13,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash 118604178, now seen corresponding path program 1 times [2024-12-02 05:54:13,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:13,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564575910] [2024-12-02 05:54:13,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:13,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:54:29,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:29,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564575910] [2024-12-02 05:54:29,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564575910] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:29,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:29,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 05:54:29,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946262783] [2024-12-02 05:54:29,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:29,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:54:29,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:29,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:54:29,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:54:29,913 INFO L87 Difference]: Start difference. First operand 2355 states and 3656 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:54:31,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:31,248 INFO L93 Difference]: Finished difference Result 4903 states and 7503 transitions. [2024-12-02 05:54:31,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 05:54:31,249 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 312 [2024-12-02 05:54:31,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:31,263 INFO L225 Difference]: With dead ends: 4903 [2024-12-02 05:54:31,263 INFO L226 Difference]: Without dead ends: 2883 [2024-12-02 05:54:31,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:54:31,268 INFO L435 NwaCegarLoop]: 247 mSDtfsCounter, 343 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:31,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 1191 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 05:54:31,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2883 states. [2024-12-02 05:54:31,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 2369. [2024-12-02 05:54:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2369 states, 1733 states have (on average 1.4402769763416041) internal successors, (2496), 1739 states have internal predecessors, (2496), 587 states have call successors, (587), 48 states have call predecessors, (587), 48 states have return successors, (587), 581 states have call predecessors, (587), 587 states have call successors, (587) [2024-12-02 05:54:31,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 3670 transitions. [2024-12-02 05:54:31,673 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 3670 transitions. Word has length 312 [2024-12-02 05:54:31,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:31,674 INFO L471 AbstractCegarLoop]: Abstraction has 2369 states and 3670 transitions. [2024-12-02 05:54:31,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:54:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 3670 transitions. [2024-12-02 05:54:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:54:31,677 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:31,678 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:31,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 05:54:31,678 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:31,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:31,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1534530544, now seen corresponding path program 1 times [2024-12-02 05:54:31,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:31,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923599607] [2024-12-02 05:54:31,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:31,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:54:45,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:45,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923599607] [2024-12-02 05:54:45,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923599607] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:45,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:45,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 05:54:45,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175969912] [2024-12-02 05:54:45,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:45,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 05:54:45,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:45,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 05:54:45,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:54:45,019 INFO L87 Difference]: Start difference. First operand 2369 states and 3670 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:54:48,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:48,145 INFO L93 Difference]: Finished difference Result 5003 states and 7705 transitions. [2024-12-02 05:54:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 05:54:48,146 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 312 [2024-12-02 05:54:48,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:48,167 INFO L225 Difference]: With dead ends: 5003 [2024-12-02 05:54:48,167 INFO L226 Difference]: Without dead ends: 4146 [2024-12-02 05:54:48,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2024-12-02 05:54:48,171 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 581 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:48,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1820 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 05:54:48,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4146 states. [2024-12-02 05:54:48,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4146 to 3382. [2024-12-02 05:54:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3382 states, 2455 states have (on average 1.4313645621181263) internal successors, (3514), 2464 states have internal predecessors, (3514), 856 states have call successors, (856), 70 states have call predecessors, (856), 70 states have return successors, (856), 847 states have call predecessors, (856), 856 states have call successors, (856) [2024-12-02 05:54:48,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3382 states to 3382 states and 5226 transitions. [2024-12-02 05:54:48,519 INFO L78 Accepts]: Start accepts. Automaton has 3382 states and 5226 transitions. Word has length 312 [2024-12-02 05:54:48,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:48,520 INFO L471 AbstractCegarLoop]: Abstraction has 3382 states and 5226 transitions. [2024-12-02 05:54:48,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 14 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:54:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3382 states and 5226 transitions. [2024-12-02 05:54:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:54:48,523 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:48,523 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:48,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 05:54:48,523 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:54:48,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:48,524 INFO L85 PathProgramCache]: Analyzing trace with hash -854472174, now seen corresponding path program 1 times [2024-12-02 05:54:48,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:48,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78786711] [2024-12-02 05:54:48,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:48,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:25,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:55:25,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:55:25,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78786711] [2024-12-02 05:55:25,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78786711] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:25,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:55:25,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 05:55:25,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309622756] [2024-12-02 05:55:25,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:25,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 05:55:25,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:55:25,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 05:55:25,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:55:25,241 INFO L87 Difference]: Start difference. First operand 3382 states and 5226 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:55:27,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:27,995 INFO L93 Difference]: Finished difference Result 5457 states and 8476 transitions. [2024-12-02 05:55:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 05:55:27,996 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 312 [2024-12-02 05:55:27,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:28,009 INFO L225 Difference]: With dead ends: 5457 [2024-12-02 05:55:28,009 INFO L226 Difference]: Without dead ends: 4600 [2024-12-02 05:55:28,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-12-02 05:55:28,012 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 473 mSDsluCounter, 1387 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:28,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 1613 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 05:55:28,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4600 states. [2024-12-02 05:55:28,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4600 to 3075. [2024-12-02 05:55:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3075 states, 2148 states have (on average 1.3971135940409682) internal successors, (3001), 2158 states have internal predecessors, (3001), 856 states have call successors, (856), 70 states have call predecessors, (856), 70 states have return successors, (856), 846 states have call predecessors, (856), 856 states have call successors, (856) [2024-12-02 05:55:28,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 3075 states and 4713 transitions. [2024-12-02 05:55:28,377 INFO L78 Accepts]: Start accepts. Automaton has 3075 states and 4713 transitions. Word has length 312 [2024-12-02 05:55:28,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:28,377 INFO L471 AbstractCegarLoop]: Abstraction has 3075 states and 4713 transitions. [2024-12-02 05:55:28,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:55:28,377 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 4713 transitions. [2024-12-02 05:55:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-12-02 05:55:28,379 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:28,379 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:55:28,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 05:55:28,380 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:28,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:28,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1875540528, now seen corresponding path program 1 times [2024-12-02 05:55:28,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:55:28,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469415881] [2024-12-02 05:55:28,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:28,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:55:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:55:41,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:55:41,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469415881] [2024-12-02 05:55:41,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469415881] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:41,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:55:41,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 05:55:41,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613598675] [2024-12-02 05:55:41,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:41,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 05:55:41,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:55:41,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 05:55:41,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:55:41,084 INFO L87 Difference]: Start difference. First operand 3075 states and 4713 transitions. Second operand has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:55:42,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:42,682 INFO L93 Difference]: Finished difference Result 5262 states and 8075 transitions. [2024-12-02 05:55:42,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 05:55:42,683 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 312 [2024-12-02 05:55:42,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:42,697 INFO L225 Difference]: With dead ends: 5262 [2024-12-02 05:55:42,697 INFO L226 Difference]: Without dead ends: 3382 [2024-12-02 05:55:42,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2024-12-02 05:55:42,701 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 403 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:42,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 1334 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 05:55:42,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3382 states. [2024-12-02 05:55:43,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3382 to 3089. [2024-12-02 05:55:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3089 states, 2162 states have (on average 1.3945420906567993) internal successors, (3015), 2172 states have internal predecessors, (3015), 856 states have call successors, (856), 70 states have call predecessors, (856), 70 states have return successors, (856), 846 states have call predecessors, (856), 856 states have call successors, (856) [2024-12-02 05:55:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 3089 states and 4727 transitions. [2024-12-02 05:55:43,143 INFO L78 Accepts]: Start accepts. Automaton has 3089 states and 4727 transitions. Word has length 312 [2024-12-02 05:55:43,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:43,143 INFO L471 AbstractCegarLoop]: Abstraction has 3089 states and 4727 transitions. [2024-12-02 05:55:43,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.384615384615385) internal successors, (70), 13 states have internal predecessors, (70), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:55:43,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 4727 transitions. [2024-12-02 05:55:43,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 05:55:43,145 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:43,145 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:55:43,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 05:55:43,145 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:43,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:43,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1908068870, now seen corresponding path program 1 times [2024-12-02 05:55:43,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:55:43,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229723716] [2024-12-02 05:55:43,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:43,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:55:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:55:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:55:56,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:55:56,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229723716] [2024-12-02 05:55:56,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229723716] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:55:56,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:55:56,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 05:55:56,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245513219] [2024-12-02 05:55:56,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:55:56,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 05:55:56,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:55:56,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 05:55:56,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-12-02 05:55:56,792 INFO L87 Difference]: Start difference. First operand 3089 states and 4727 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:55:59,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:55:59,227 INFO L93 Difference]: Finished difference Result 5190 states and 7869 transitions. [2024-12-02 05:55:59,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 05:55:59,228 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 313 [2024-12-02 05:55:59,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:55:59,241 INFO L225 Difference]: With dead ends: 5190 [2024-12-02 05:55:59,241 INFO L226 Difference]: Without dead ends: 4333 [2024-12-02 05:55:59,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-12-02 05:55:59,246 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 642 mSDsluCounter, 1482 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1692 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:55:59,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 1692 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1113 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 05:55:59,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4333 states. [2024-12-02 05:55:59,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4333 to 3299. [2024-12-02 05:55:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3299 states, 2372 states have (on average 1.4224283305227656) internal successors, (3374), 2381 states have internal predecessors, (3374), 856 states have call successors, (856), 70 states have call predecessors, (856), 70 states have return successors, (856), 847 states have call predecessors, (856), 856 states have call successors, (856) [2024-12-02 05:55:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 5086 transitions. [2024-12-02 05:55:59,623 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 5086 transitions. Word has length 313 [2024-12-02 05:55:59,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:55:59,623 INFO L471 AbstractCegarLoop]: Abstraction has 3299 states and 5086 transitions. [2024-12-02 05:55:59,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 05:55:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 5086 transitions. [2024-12-02 05:55:59,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 05:55:59,625 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:55:59,626 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:55:59,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 05:55:59,626 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:55:59,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:55:59,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1515041860, now seen corresponding path program 1 times [2024-12-02 05:55:59,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:55:59,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202718756] [2024-12-02 05:55:59,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:55:59,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:55:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:57:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:57:02,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:57:02,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202718756] [2024-12-02 05:57:02,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202718756] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:57:02,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:57:02,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 05:57:02,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975891997] [2024-12-02 05:57:02,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:57:02,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 05:57:02,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:57:02,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 05:57:02,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:57:02,731 INFO L87 Difference]: Start difference. First operand 3299 states and 5086 transitions. Second operand has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 states have internal predecessors, (71), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 05:57:09,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:57:09,131 INFO L93 Difference]: Finished difference Result 5305 states and 8031 transitions. [2024-12-02 05:57:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 05:57:09,132 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 states have internal predecessors, (71), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 313 [2024-12-02 05:57:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:57:09,147 INFO L225 Difference]: With dead ends: 5305 [2024-12-02 05:57:09,147 INFO L226 Difference]: Without dead ends: 4448 [2024-12-02 05:57:09,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=244, Invalid=812, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 05:57:09,152 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 809 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 1872 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1897 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 05:57:09,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 1897 Invalid, 2040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1872 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 05:57:09,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4448 states. [2024-12-02 05:57:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4448 to 3324. [2024-12-02 05:57:09,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3324 states, 2397 states have (on average 1.4242803504380475) internal successors, (3414), 2406 states have internal predecessors, (3414), 856 states have call successors, (856), 70 states have call predecessors, (856), 70 states have return successors, (856), 847 states have call predecessors, (856), 856 states have call successors, (856) [2024-12-02 05:57:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 3324 states and 5126 transitions. [2024-12-02 05:57:09,657 INFO L78 Accepts]: Start accepts. Automaton has 3324 states and 5126 transitions. Word has length 313 [2024-12-02 05:57:09,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:57:09,658 INFO L471 AbstractCegarLoop]: Abstraction has 3324 states and 5126 transitions. [2024-12-02 05:57:09,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.176470588235294) internal successors, (71), 17 states have internal predecessors, (71), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 05:57:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 5126 transitions. [2024-12-02 05:57:09,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 05:57:09,660 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:57:09,660 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:57:09,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 05:57:09,660 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:57:09,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:57:09,661 INFO L85 PathProgramCache]: Analyzing trace with hash 675918598, now seen corresponding path program 1 times [2024-12-02 05:57:09,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:57:09,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421788434] [2024-12-02 05:57:09,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:57:09,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:57:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:58:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:58:14,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:14,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421788434] [2024-12-02 05:58:14,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421788434] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:58:14,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:58:14,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-12-02 05:58:14,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438123732] [2024-12-02 05:58:14,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:58:14,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 05:58:14,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:14,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 05:58:14,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2024-12-02 05:58:14,302 INFO L87 Difference]: Start difference. First operand 3324 states and 5126 transitions. Second operand has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 05:58:22,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:22,964 INFO L93 Difference]: Finished difference Result 5358 states and 8107 transitions. [2024-12-02 05:58:22,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 05:58:22,965 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 313 [2024-12-02 05:58:22,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:22,979 INFO L225 Difference]: With dead ends: 5358 [2024-12-02 05:58:22,979 INFO L226 Difference]: Without dead ends: 4501 [2024-12-02 05:58:22,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=300, Invalid=1032, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 05:58:22,984 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 787 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 2761 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 2761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:22,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 2439 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 2761 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-12-02 05:58:22,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2024-12-02 05:58:23,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 3365. [2024-12-02 05:58:23,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3365 states, 2438 states have (on average 1.4237079573420837) internal successors, (3471), 2447 states have internal predecessors, (3471), 856 states have call successors, (856), 70 states have call predecessors, (856), 70 states have return successors, (856), 847 states have call predecessors, (856), 856 states have call successors, (856) [2024-12-02 05:58:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 3365 states and 5183 transitions. [2024-12-02 05:58:23,475 INFO L78 Accepts]: Start accepts. Automaton has 3365 states and 5183 transitions. Word has length 313 [2024-12-02 05:58:23,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:23,475 INFO L471 AbstractCegarLoop]: Abstraction has 3365 states and 5183 transitions. [2024-12-02 05:58:23,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.55) internal successors, (71), 20 states have internal predecessors, (71), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 05:58:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3365 states and 5183 transitions. [2024-12-02 05:58:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 05:58:23,478 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:58:23,478 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:23,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 05:58:23,478 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:58:23,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:58:23,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1321262856, now seen corresponding path program 1 times [2024-12-02 05:58:23,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:58:23,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476662474] [2024-12-02 05:58:23,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:58:23,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:58:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:58:23,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:58:23,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:23,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476662474] [2024-12-02 05:58:23,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476662474] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:58:23,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:58:23,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 05:58:23,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490383746] [2024-12-02 05:58:23,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:58:23,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:58:23,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:23,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:58:23,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:58:23,818 INFO L87 Difference]: Start difference. First operand 3365 states and 5183 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:58:24,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:24,435 INFO L93 Difference]: Finished difference Result 7910 states and 11833 transitions. [2024-12-02 05:58:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:58:24,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-12-02 05:58:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:24,447 INFO L225 Difference]: With dead ends: 7910 [2024-12-02 05:58:24,447 INFO L226 Difference]: Without dead ends: 4874 [2024-12-02 05:58:24,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:58:24,453 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 90 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:24,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 922 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:58:24,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4874 states. [2024-12-02 05:58:24,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4874 to 4387. [2024-12-02 05:58:24,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4387 states, 3355 states have (on average 1.3976154992548435) internal successors, (4689), 3385 states have internal predecessors, (4689), 926 states have call successors, (926), 105 states have call predecessors, (926), 105 states have return successors, (926), 896 states have call predecessors, (926), 926 states have call successors, (926) [2024-12-02 05:58:24,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 4387 states and 6541 transitions. [2024-12-02 05:58:24,975 INFO L78 Accepts]: Start accepts. Automaton has 4387 states and 6541 transitions. Word has length 313 [2024-12-02 05:58:24,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:24,976 INFO L471 AbstractCegarLoop]: Abstraction has 4387 states and 6541 transitions. [2024-12-02 05:58:24,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:58:24,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4387 states and 6541 transitions. [2024-12-02 05:58:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 05:58:24,978 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:58:24,979 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:24,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 05:58:24,979 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:58:24,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:58:24,979 INFO L85 PathProgramCache]: Analyzing trace with hash -73306042, now seen corresponding path program 1 times [2024-12-02 05:58:24,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:58:24,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018137052] [2024-12-02 05:58:24,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:58:24,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:58:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:58:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:58:40,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:40,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018137052] [2024-12-02 05:58:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018137052] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:58:40,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:58:40,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 05:58:40,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717756036] [2024-12-02 05:58:40,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:58:40,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 05:58:40,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:40,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 05:58:40,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:58:40,272 INFO L87 Difference]: Start difference. First operand 4387 states and 6541 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:58:41,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:41,650 INFO L93 Difference]: Finished difference Result 9244 states and 13634 transitions. [2024-12-02 05:58:41,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 05:58:41,651 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-12-02 05:58:41,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:41,665 INFO L225 Difference]: With dead ends: 9244 [2024-12-02 05:58:41,665 INFO L226 Difference]: Without dead ends: 5186 [2024-12-02 05:58:41,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:58:41,675 INFO L435 NwaCegarLoop]: 252 mSDtfsCounter, 375 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:41,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 1349 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 05:58:41,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5186 states. [2024-12-02 05:58:42,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5186 to 4373. [2024-12-02 05:58:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4373 states, 3341 states have (on average 1.3971864711164321) internal successors, (4668), 3371 states have internal predecessors, (4668), 926 states have call successors, (926), 105 states have call predecessors, (926), 105 states have return successors, (926), 896 states have call predecessors, (926), 926 states have call successors, (926) [2024-12-02 05:58:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 4373 states and 6520 transitions. [2024-12-02 05:58:42,187 INFO L78 Accepts]: Start accepts. Automaton has 4373 states and 6520 transitions. Word has length 313 [2024-12-02 05:58:42,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:42,187 INFO L471 AbstractCegarLoop]: Abstraction has 4373 states and 6520 transitions. [2024-12-02 05:58:42,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:58:42,188 INFO L276 IsEmpty]: Start isEmpty. Operand 4373 states and 6520 transitions. [2024-12-02 05:58:42,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 05:58:42,189 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:58:42,189 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:42,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 05:58:42,189 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:58:42,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:58:42,190 INFO L85 PathProgramCache]: Analyzing trace with hash 219125128, now seen corresponding path program 1 times [2024-12-02 05:58:42,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:58:42,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293116035] [2024-12-02 05:58:42,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:58:42,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:58:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:58:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:58:55,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:55,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293116035] [2024-12-02 05:58:55,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293116035] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:58:55,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:58:55,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 05:58:55,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885371176] [2024-12-02 05:58:55,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:58:55,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 05:58:55,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:55,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 05:58:55,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:58:55,162 INFO L87 Difference]: Start difference. First operand 4373 states and 6520 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:58:57,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:57,080 INFO L93 Difference]: Finished difference Result 6971 states and 10233 transitions. [2024-12-02 05:58:57,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 05:58:57,080 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-12-02 05:58:57,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:57,088 INFO L225 Difference]: With dead ends: 6971 [2024-12-02 05:58:57,088 INFO L226 Difference]: Without dead ends: 5610 [2024-12-02 05:58:57,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2024-12-02 05:58:57,091 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 387 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:57,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 1453 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 05:58:57,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5610 states. [2024-12-02 05:58:57,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5610 to 4453. [2024-12-02 05:58:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4453 states, 3421 states have (on average 1.401052323881906) internal successors, (4793), 3451 states have internal predecessors, (4793), 926 states have call successors, (926), 105 states have call predecessors, (926), 105 states have return successors, (926), 896 states have call predecessors, (926), 926 states have call successors, (926) [2024-12-02 05:58:57,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4453 states to 4453 states and 6645 transitions. [2024-12-02 05:58:57,574 INFO L78 Accepts]: Start accepts. Automaton has 4453 states and 6645 transitions. Word has length 313 [2024-12-02 05:58:57,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:57,574 INFO L471 AbstractCegarLoop]: Abstraction has 4453 states and 6645 transitions. [2024-12-02 05:58:57,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:58:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 4453 states and 6645 transitions. [2024-12-02 05:58:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 05:58:57,576 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:58:57,576 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:57,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 05:58:57,576 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:58:57,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:58:57,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1994132490, now seen corresponding path program 1 times [2024-12-02 05:58:57,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:58:57,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38486516] [2024-12-02 05:58:57,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:58:57,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:58:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:58:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:58:57,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:57,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38486516] [2024-12-02 05:58:57,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38486516] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:58:57,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:58:57,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:58:57,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579089752] [2024-12-02 05:58:57,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:58:57,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:58:57,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:57,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:58:57,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:58:57,769 INFO L87 Difference]: Start difference. First operand 4453 states and 6645 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:58:58,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:58,343 INFO L93 Difference]: Finished difference Result 6580 states and 9710 transitions. [2024-12-02 05:58:58,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:58:58,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-12-02 05:58:58,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:58,352 INFO L225 Difference]: With dead ends: 6580 [2024-12-02 05:58:58,352 INFO L226 Difference]: Without dead ends: 5219 [2024-12-02 05:58:58,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 05:58:58,355 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 49 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:58,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 486 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:58:58,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5219 states. [2024-12-02 05:58:58,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5219 to 5165. [2024-12-02 05:58:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5165 states, 4006 states have (on average 1.3756864702945582) internal successors, (5511), 4057 states have internal predecessors, (5511), 1024 states have call successors, (1024), 134 states have call predecessors, (1024), 134 states have return successors, (1024), 973 states have call predecessors, (1024), 1024 states have call successors, (1024) [2024-12-02 05:58:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 5165 states and 7559 transitions. [2024-12-02 05:58:58,942 INFO L78 Accepts]: Start accepts. Automaton has 5165 states and 7559 transitions. Word has length 313 [2024-12-02 05:58:58,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:58,943 INFO L471 AbstractCegarLoop]: Abstraction has 5165 states and 7559 transitions. [2024-12-02 05:58:58,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:58:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 5165 states and 7559 transitions. [2024-12-02 05:58:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 05:58:58,945 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:58:58,945 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:58,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 05:58:58,945 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:58:58,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:58:58,946 INFO L85 PathProgramCache]: Analyzing trace with hash -173901882, now seen corresponding path program 1 times [2024-12-02 05:58:58,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:58:58,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21140623] [2024-12-02 05:58:58,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:58:58,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:58:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:59:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 05:59:19,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:59:19,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21140623] [2024-12-02 05:59:19,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21140623] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:59:19,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:59:19,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 05:59:19,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814972552] [2024-12-02 05:59:19,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:59:19,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 05:59:19,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:59:19,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 05:59:19,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:59:19,442 INFO L87 Difference]: Start difference. First operand 5165 states and 7559 transitions. Second operand has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:59:21,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:59:21,608 INFO L93 Difference]: Finished difference Result 8430 states and 12124 transitions. [2024-12-02 05:59:21,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 05:59:21,609 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-12-02 05:59:21,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:59:21,620 INFO L225 Difference]: With dead ends: 8430 [2024-12-02 05:59:21,620 INFO L226 Difference]: Without dead ends: 6460 [2024-12-02 05:59:21,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-12-02 05:59:21,625 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 451 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1243 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:59:21,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1243 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 05:59:21,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6460 states. [2024-12-02 05:59:22,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6460 to 5175. [2024-12-02 05:59:22,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5175 states, 4016 states have (on average 1.375996015936255) internal successors, (5526), 4067 states have internal predecessors, (5526), 1024 states have call successors, (1024), 134 states have call predecessors, (1024), 134 states have return successors, (1024), 973 states have call predecessors, (1024), 1024 states have call successors, (1024) [2024-12-02 05:59:22,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 7574 transitions. [2024-12-02 05:59:22,228 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 7574 transitions. Word has length 313 [2024-12-02 05:59:22,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:59:22,229 INFO L471 AbstractCegarLoop]: Abstraction has 5175 states and 7574 transitions. [2024-12-02 05:59:22,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.461538461538462) internal successors, (71), 13 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 05:59:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 7574 transitions. [2024-12-02 05:59:22,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 05:59:22,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:59:22,231 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:59:22,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 05:59:22,231 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:59:22,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:59:22,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1013025144, now seen corresponding path program 1 times [2024-12-02 05:59:22,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:59:22,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384364868] [2024-12-02 05:59:22,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:59:22,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:59:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:00:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:00:00,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:00:00,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384364868] [2024-12-02 06:00:00,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384364868] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:00:00,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:00:00,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:00:00,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138959664] [2024-12-02 06:00:00,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:00:00,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:00:00,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:00:00,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:00:00,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:00:00,476 INFO L87 Difference]: Start difference. First operand 5175 states and 7574 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:00:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:00:02,270 INFO L93 Difference]: Finished difference Result 8147 states and 11779 transitions. [2024-12-02 06:00:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:00:02,271 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-12-02 06:00:02,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:00:02,282 INFO L225 Difference]: With dead ends: 8147 [2024-12-02 06:00:02,282 INFO L226 Difference]: Without dead ends: 6177 [2024-12-02 06:00:02,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:00:02,288 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 444 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:00:02,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 1026 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 06:00:02,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6177 states. [2024-12-02 06:00:02,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6177 to 5032. [2024-12-02 06:00:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5032 states, 3873 states have (on average 1.3738703847146914) internal successors, (5321), 3924 states have internal predecessors, (5321), 1024 states have call successors, (1024), 134 states have call predecessors, (1024), 134 states have return successors, (1024), 973 states have call predecessors, (1024), 1024 states have call successors, (1024) [2024-12-02 06:00:02,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5032 states to 5032 states and 7369 transitions. [2024-12-02 06:00:02,901 INFO L78 Accepts]: Start accepts. Automaton has 5032 states and 7369 transitions. Word has length 313 [2024-12-02 06:00:02,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:00:02,902 INFO L471 AbstractCegarLoop]: Abstraction has 5032 states and 7369 transitions. [2024-12-02 06:00:02,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:00:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 5032 states and 7369 transitions. [2024-12-02 06:00:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 06:00:02,904 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:00:02,904 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:00:02,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 06:00:02,904 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:00:02,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:00:02,904 INFO L85 PathProgramCache]: Analyzing trace with hash 761982218, now seen corresponding path program 1 times [2024-12-02 06:00:02,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:00:02,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129315851] [2024-12-02 06:00:02,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:00:02,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:00:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:00:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:00:04,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:00:04,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129315851] [2024-12-02 06:00:04,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129315851] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:00:04,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:00:04,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:00:04,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29253413] [2024-12-02 06:00:04,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:00:04,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:00:04,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:00:04,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:00:04,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:00:04,112 INFO L87 Difference]: Start difference. First operand 5032 states and 7369 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:00:05,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:00:05,851 INFO L93 Difference]: Finished difference Result 10287 states and 14792 transitions. [2024-12-02 06:00:05,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 06:00:05,852 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-12-02 06:00:05,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:00:05,865 INFO L225 Difference]: With dead ends: 10287 [2024-12-02 06:00:05,866 INFO L226 Difference]: Without dead ends: 8307 [2024-12-02 06:00:05,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:00:05,871 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 189 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:00:05,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 1116 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 06:00:05,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8307 states. [2024-12-02 06:00:06,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8307 to 5550. [2024-12-02 06:00:06,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5550 states, 4391 states have (on average 1.391710316556593) internal successors, (6111), 4442 states have internal predecessors, (6111), 1024 states have call successors, (1024), 134 states have call predecessors, (1024), 134 states have return successors, (1024), 973 states have call predecessors, (1024), 1024 states have call successors, (1024) [2024-12-02 06:00:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5550 states to 5550 states and 8159 transitions. [2024-12-02 06:00:06,510 INFO L78 Accepts]: Start accepts. Automaton has 5550 states and 8159 transitions. Word has length 313 [2024-12-02 06:00:06,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:00:06,510 INFO L471 AbstractCegarLoop]: Abstraction has 5550 states and 8159 transitions. [2024-12-02 06:00:06,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:00:06,510 INFO L276 IsEmpty]: Start isEmpty. Operand 5550 states and 8159 transitions. [2024-12-02 06:00:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 06:00:06,512 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:00:06,512 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:00:06,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 06:00:06,513 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:00:06,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:00:06,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1762249784, now seen corresponding path program 1 times [2024-12-02 06:00:06,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:00:06,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145514223] [2024-12-02 06:00:06,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:00:06,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:00:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:00:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:00:23,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:00:23,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145514223] [2024-12-02 06:00:23,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145514223] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:00:23,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:00:23,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 06:00:23,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818407630] [2024-12-02 06:00:23,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:00:23,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 06:00:23,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:00:23,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 06:00:23,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:00:23,143 INFO L87 Difference]: Start difference. First operand 5550 states and 8159 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:00:26,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:00:26,212 INFO L93 Difference]: Finished difference Result 10714 states and 15540 transitions. [2024-12-02 06:00:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:00:26,212 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 313 [2024-12-02 06:00:26,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:00:26,222 INFO L225 Difference]: With dead ends: 10714 [2024-12-02 06:00:26,222 INFO L226 Difference]: Without dead ends: 6559 [2024-12-02 06:00:26,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-12-02 06:00:26,228 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 422 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:00:26,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1569 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 06:00:26,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6559 states. [2024-12-02 06:00:26,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6559 to 5599. [2024-12-02 06:00:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5599 states, 4440 states have (on average 1.3921171171171172) internal successors, (6181), 4491 states have internal predecessors, (6181), 1024 states have call successors, (1024), 134 states have call predecessors, (1024), 134 states have return successors, (1024), 973 states have call predecessors, (1024), 1024 states have call successors, (1024) [2024-12-02 06:00:26,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5599 states to 5599 states and 8229 transitions. [2024-12-02 06:00:26,834 INFO L78 Accepts]: Start accepts. Automaton has 5599 states and 8229 transitions. Word has length 313 [2024-12-02 06:00:26,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:00:26,834 INFO L471 AbstractCegarLoop]: Abstraction has 5599 states and 8229 transitions. [2024-12-02 06:00:26,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:00:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 5599 states and 8229 transitions. [2024-12-02 06:00:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-12-02 06:00:26,836 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:00:26,836 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:00:26,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 06:00:26,836 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:00:26,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:00:26,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1945911498, now seen corresponding path program 1 times [2024-12-02 06:00:26,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:00:26,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927820758] [2024-12-02 06:00:26,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:00:26,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:00:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:00:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:00:27,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:00:27,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927820758] [2024-12-02 06:00:27,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927820758] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:00:27,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:00:27,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:00:27,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286773225] [2024-12-02 06:00:27,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:00:27,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 06:00:27,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:00:27,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 06:00:27,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 06:00:27,002 INFO L87 Difference]: Start difference. First operand 5599 states and 8229 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:00:27,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:00:27,759 INFO L93 Difference]: Finished difference Result 10832 states and 15714 transitions. [2024-12-02 06:00:27,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 06:00:27,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 313 [2024-12-02 06:00:27,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:00:27,779 INFO L225 Difference]: With dead ends: 10832 [2024-12-02 06:00:27,779 INFO L226 Difference]: Without dead ends: 6623 [2024-12-02 06:00:27,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:00:27,785 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 39 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:00:27,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 743 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:00:27,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2024-12-02 06:00:28,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 5956. [2024-12-02 06:00:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5956 states, 4727 states have (on average 1.3786756928284325) internal successors, (6517), 4792 states have internal predecessors, (6517), 1080 states have call successors, (1080), 148 states have call predecessors, (1080), 148 states have return successors, (1080), 1015 states have call predecessors, (1080), 1080 states have call successors, (1080) [2024-12-02 06:00:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5956 states to 5956 states and 8677 transitions. [2024-12-02 06:00:28,529 INFO L78 Accepts]: Start accepts. Automaton has 5956 states and 8677 transitions. Word has length 313 [2024-12-02 06:00:28,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:00:28,529 INFO L471 AbstractCegarLoop]: Abstraction has 5956 states and 8677 transitions. [2024-12-02 06:00:28,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:00:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand 5956 states and 8677 transitions. [2024-12-02 06:00:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-12-02 06:00:28,531 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:00:28,532 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:00:28,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 06:00:28,532 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:00:28,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:00:28,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1057365841, now seen corresponding path program 1 times [2024-12-02 06:00:28,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:00:28,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41910980] [2024-12-02 06:00:28,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:00:28,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:00:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:00:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:00:46,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:00:46,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41910980] [2024-12-02 06:00:46,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41910980] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:00:46,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:00:46,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 06:00:46,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942286007] [2024-12-02 06:00:46,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:00:46,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 06:00:46,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:00:46,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 06:00:46,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:00:46,415 INFO L87 Difference]: Start difference. First operand 5956 states and 8677 transitions. Second operand has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 19 states have internal predecessors, (72), 4 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-12-02 06:01:00,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:01:00,150 INFO L93 Difference]: Finished difference Result 10931 states and 15809 transitions. [2024-12-02 06:01:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 06:01:00,151 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 19 states have internal predecessors, (72), 4 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 314 [2024-12-02 06:01:00,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:01:00,166 INFO L225 Difference]: With dead ends: 10931 [2024-12-02 06:01:00,166 INFO L226 Difference]: Without dead ends: 8261 [2024-12-02 06:01:00,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=306, Invalid=954, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 06:01:00,171 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 1211 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 2818 mSolverCounterSat, 462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 2458 SdHoareTripleChecker+Invalid, 3280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 462 IncrementalHoareTripleChecker+Valid, 2818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:01:00,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 2458 Invalid, 3280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [462 Valid, 2818 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 06:01:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8261 states. [2024-12-02 06:01:01,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8261 to 7244. [2024-12-02 06:01:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7244 states, 5683 states have (on average 1.3737462607777582) internal successors, (7807), 5758 states have internal predecessors, (7807), 1377 states have call successors, (1377), 183 states have call predecessors, (1377), 183 states have return successors, (1377), 1302 states have call predecessors, (1377), 1377 states have call successors, (1377) [2024-12-02 06:01:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7244 states to 7244 states and 10561 transitions. [2024-12-02 06:01:01,068 INFO L78 Accepts]: Start accepts. Automaton has 7244 states and 10561 transitions. Word has length 314 [2024-12-02 06:01:01,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:01:01,068 INFO L471 AbstractCegarLoop]: Abstraction has 7244 states and 10561 transitions. [2024-12-02 06:01:01,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.789473684210526) internal successors, (72), 19 states have internal predecessors, (72), 4 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-12-02 06:01:01,069 INFO L276 IsEmpty]: Start isEmpty. Operand 7244 states and 10561 transitions. [2024-12-02 06:01:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:01:01,070 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:01:01,070 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:01:01,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 06:01:01,071 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:01:01,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:01:01,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1670733977, now seen corresponding path program 1 times [2024-12-02 06:01:01,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:01:01,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730842305] [2024-12-02 06:01:01,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:01:01,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:01:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:01:04,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:01:04,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:01:04,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730842305] [2024-12-02 06:01:04,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730842305] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:01:04,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:01:04,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 06:01:04,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834334799] [2024-12-02 06:01:04,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:01:04,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 06:01:04,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:01:04,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 06:01:04,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:01:04,293 INFO L87 Difference]: Start difference. First operand 7244 states and 10561 transitions. Second operand has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:01:07,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:01:07,774 INFO L93 Difference]: Finished difference Result 9111 states and 12997 transitions. [2024-12-02 06:01:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 06:01:07,775 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2024-12-02 06:01:07,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:01:07,789 INFO L225 Difference]: With dead ends: 9111 [2024-12-02 06:01:07,789 INFO L226 Difference]: Without dead ends: 9109 [2024-12-02 06:01:07,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2024-12-02 06:01:07,791 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 422 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 1625 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 1774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:01:07,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 2450 Invalid, 1774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1625 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 06:01:07,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9109 states. [2024-12-02 06:01:08,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9109 to 7354. [2024-12-02 06:01:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7354 states, 5793 states have (on average 1.37441740031072) internal successors, (7962), 5868 states have internal predecessors, (7962), 1377 states have call successors, (1377), 183 states have call predecessors, (1377), 183 states have return successors, (1377), 1302 states have call predecessors, (1377), 1377 states have call successors, (1377) [2024-12-02 06:01:08,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7354 states to 7354 states and 10716 transitions. [2024-12-02 06:01:08,667 INFO L78 Accepts]: Start accepts. Automaton has 7354 states and 10716 transitions. Word has length 315 [2024-12-02 06:01:08,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:01:08,667 INFO L471 AbstractCegarLoop]: Abstraction has 7354 states and 10716 transitions. [2024-12-02 06:01:08,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:01:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 7354 states and 10716 transitions. [2024-12-02 06:01:08,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:01:08,669 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:01:08,669 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:01:08,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 06:01:08,670 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:01:08,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:01:08,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1928899415, now seen corresponding path program 1 times [2024-12-02 06:01:08,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:01:08,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805028769] [2024-12-02 06:01:08,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:01:08,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:01:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:01:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:01:11,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:01:11,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805028769] [2024-12-02 06:01:11,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805028769] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:01:11,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:01:11,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:01:11,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957257452] [2024-12-02 06:01:11,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:01:11,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:01:11,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:01:11,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:01:11,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:01:11,756 INFO L87 Difference]: Start difference. First operand 7354 states and 10716 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:01:13,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:01:13,895 INFO L93 Difference]: Finished difference Result 10727 states and 15272 transitions. [2024-12-02 06:01:13,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:01:13,896 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2024-12-02 06:01:13,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:01:13,912 INFO L225 Difference]: With dead ends: 10727 [2024-12-02 06:01:13,912 INFO L226 Difference]: Without dead ends: 10725 [2024-12-02 06:01:13,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:01:13,915 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 145 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:01:13,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 2219 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:01:13,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10725 states. [2024-12-02 06:01:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10725 to 9452. [2024-12-02 06:01:15,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9452 states, 7709 states have (on average 1.3744973407705279) internal successors, (10596), 7812 states have internal predecessors, (10596), 1531 states have call successors, (1531), 211 states have call predecessors, (1531), 211 states have return successors, (1531), 1428 states have call predecessors, (1531), 1531 states have call successors, (1531) [2024-12-02 06:01:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9452 states to 9452 states and 13658 transitions. [2024-12-02 06:01:15,048 INFO L78 Accepts]: Start accepts. Automaton has 9452 states and 13658 transitions. Word has length 315 [2024-12-02 06:01:15,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:01:15,048 INFO L471 AbstractCegarLoop]: Abstraction has 9452 states and 13658 transitions. [2024-12-02 06:01:15,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:01:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 9452 states and 13658 transitions. [2024-12-02 06:01:15,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:01:15,051 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:01:15,051 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:01:15,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 06:01:15,051 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:01:15,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:01:15,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1309671015, now seen corresponding path program 1 times [2024-12-02 06:01:15,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:01:15,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44096127] [2024-12-02 06:01:15,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:01:15,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:01:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:01:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:01:20,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:01:20,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44096127] [2024-12-02 06:01:20,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44096127] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:01:20,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:01:20,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 06:01:20,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136855065] [2024-12-02 06:01:20,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:01:20,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 06:01:20,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:01:20,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 06:01:20,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:01:20,949 INFO L87 Difference]: Start difference. First operand 9452 states and 13658 transitions. Second operand has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:01:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:01:25,469 INFO L93 Difference]: Finished difference Result 16552 states and 23524 transitions. [2024-12-02 06:01:25,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 06:01:25,469 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 315 [2024-12-02 06:01:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:01:25,490 INFO L225 Difference]: With dead ends: 16552 [2024-12-02 06:01:25,490 INFO L226 Difference]: Without dead ends: 12699 [2024-12-02 06:01:25,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-12-02 06:01:25,498 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 351 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 1836 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 1886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:01:25,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1765 Invalid, 1886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1836 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-12-02 06:01:25,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12699 states. [2024-12-02 06:01:26,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12699 to 10467. [2024-12-02 06:01:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10467 states, 8521 states have (on average 1.3675624926651802) internal successors, (11653), 8659 states have internal predecessors, (11653), 1699 states have call successors, (1699), 246 states have call predecessors, (1699), 246 states have return successors, (1699), 1561 states have call predecessors, (1699), 1699 states have call successors, (1699) [2024-12-02 06:01:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10467 states to 10467 states and 15051 transitions. [2024-12-02 06:01:26,954 INFO L78 Accepts]: Start accepts. Automaton has 10467 states and 15051 transitions. Word has length 315 [2024-12-02 06:01:26,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:01:26,955 INFO L471 AbstractCegarLoop]: Abstraction has 10467 states and 15051 transitions. [2024-12-02 06:01:26,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:01:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 10467 states and 15051 transitions. [2024-12-02 06:01:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:01:26,957 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:01:26,958 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:01:26,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 06:01:26,958 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:01:26,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:01:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash 390870299, now seen corresponding path program 1 times [2024-12-02 06:01:26,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:01:26,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38906766] [2024-12-02 06:01:26,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:01:26,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:01:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:01:28,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:01:28,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:01:28,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38906766] [2024-12-02 06:01:28,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38906766] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:01:28,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:01:28,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 06:01:28,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203188188] [2024-12-02 06:01:28,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:01:28,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 06:01:28,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:01:28,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 06:01:28,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 06:01:28,618 INFO L87 Difference]: Start difference. First operand 10467 states and 15051 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:01:30,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:01:30,978 INFO L93 Difference]: Finished difference Result 13450 states and 18751 transitions. [2024-12-02 06:01:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:01:30,978 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2024-12-02 06:01:30,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:01:30,999 INFO L225 Difference]: With dead ends: 13450 [2024-12-02 06:01:30,999 INFO L226 Difference]: Without dead ends: 13448 [2024-12-02 06:01:31,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:01:31,002 INFO L435 NwaCegarLoop]: 250 mSDtfsCounter, 158 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1845 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 06:01:31,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 1845 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 06:01:31,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13448 states. [2024-12-02 06:01:32,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13448 to 10761. [2024-12-02 06:01:32,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10761 states, 8815 states have (on average 1.3664208735110608) internal successors, (12045), 8953 states have internal predecessors, (12045), 1699 states have call successors, (1699), 246 states have call predecessors, (1699), 246 states have return successors, (1699), 1561 states have call predecessors, (1699), 1699 states have call successors, (1699) [2024-12-02 06:01:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10761 states to 10761 states and 15443 transitions. [2024-12-02 06:01:32,436 INFO L78 Accepts]: Start accepts. Automaton has 10761 states and 15443 transitions. Word has length 315 [2024-12-02 06:01:32,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:01:32,436 INFO L471 AbstractCegarLoop]: Abstraction has 10761 states and 15443 transitions. [2024-12-02 06:01:32,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:01:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 10761 states and 15443 transitions. [2024-12-02 06:01:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:01:32,439 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:01:32,439 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:01:32,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 06:01:32,439 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:01:32,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:01:32,440 INFO L85 PathProgramCache]: Analyzing trace with hash 649035737, now seen corresponding path program 1 times [2024-12-02 06:01:32,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:01:32,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147265148] [2024-12-02 06:01:32,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:01:32,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:01:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:01:36,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:01:36,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:01:36,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147265148] [2024-12-02 06:01:36,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147265148] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:01:36,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:01:36,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 06:01:36,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788747538] [2024-12-02 06:01:36,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:01:36,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 06:01:36,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:01:36,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 06:01:36,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-12-02 06:01:36,645 INFO L87 Difference]: Start difference. First operand 10761 states and 15443 transitions. Second operand has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:01:42,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:01:42,980 INFO L93 Difference]: Finished difference Result 19353 states and 27115 transitions. [2024-12-02 06:01:42,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 06:01:42,980 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2024-12-02 06:01:42,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:01:43,008 INFO L225 Difference]: With dead ends: 19353 [2024-12-02 06:01:43,008 INFO L226 Difference]: Without dead ends: 19351 [2024-12-02 06:01:43,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=281, Invalid=1051, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 06:01:43,012 INFO L435 NwaCegarLoop]: 229 mSDtfsCounter, 575 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 1673 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 3141 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:01:43,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 3141 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1673 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 06:01:43,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19351 states. [2024-12-02 06:01:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19351 to 12133. [2024-12-02 06:01:44,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12133 states, 10040 states have (on average 1.3696215139442232) internal successors, (13751), 10213 states have internal predecessors, (13751), 1811 states have call successors, (1811), 281 states have call predecessors, (1811), 281 states have return successors, (1811), 1638 states have call predecessors, (1811), 1811 states have call successors, (1811) [2024-12-02 06:01:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12133 states to 12133 states and 17373 transitions. [2024-12-02 06:01:44,827 INFO L78 Accepts]: Start accepts. Automaton has 12133 states and 17373 transitions. Word has length 315 [2024-12-02 06:01:44,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:01:44,828 INFO L471 AbstractCegarLoop]: Abstraction has 12133 states and 17373 transitions. [2024-12-02 06:01:44,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:01:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 12133 states and 17373 transitions. [2024-12-02 06:01:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:01:44,831 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:01:44,831 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:01:44,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 06:01:44,831 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:01:44,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:01:44,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1705432603, now seen corresponding path program 1 times [2024-12-02 06:01:44,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:01:44,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471135488] [2024-12-02 06:01:44,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:01:44,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:01:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:01:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:01:47,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:01:47,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471135488] [2024-12-02 06:01:47,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471135488] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:01:47,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:01:47,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 06:01:47,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703849241] [2024-12-02 06:01:47,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:01:47,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 06:01:47,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:01:47,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 06:01:47,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:01:47,928 INFO L87 Difference]: Start difference. First operand 12133 states and 17373 transitions. Second operand has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 06:01:52,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:01:52,433 INFO L93 Difference]: Finished difference Result 21627 states and 30137 transitions. [2024-12-02 06:01:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 06:01:52,434 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 315 [2024-12-02 06:01:52,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:01:52,458 INFO L225 Difference]: With dead ends: 21627 [2024-12-02 06:01:52,458 INFO L226 Difference]: Without dead ends: 15331 [2024-12-02 06:01:52,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2024-12-02 06:01:52,468 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 394 mSDsluCounter, 1837 mSDsCounter, 0 mSdLazyCounter, 1892 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:01:52,468 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2080 Invalid, 1916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1892 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 06:01:52,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15331 states. [2024-12-02 06:01:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15331 to 9823. [2024-12-02 06:01:53,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9823 states, 7905 states have (on average 1.3676154332700823) internal successors, (10811), 8001 states have internal predecessors, (10811), 1629 states have call successors, (1629), 288 states have call predecessors, (1629), 288 states have return successors, (1629), 1533 states have call predecessors, (1629), 1629 states have call successors, (1629) [2024-12-02 06:01:53,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9823 states to 9823 states and 14069 transitions. [2024-12-02 06:01:53,860 INFO L78 Accepts]: Start accepts. Automaton has 9823 states and 14069 transitions. Word has length 315 [2024-12-02 06:01:53,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:01:53,861 INFO L471 AbstractCegarLoop]: Abstraction has 9823 states and 14069 transitions. [2024-12-02 06:01:53,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 06:01:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 9823 states and 14069 transitions. [2024-12-02 06:01:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:01:53,864 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:01:53,864 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:01:53,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 06:01:53,864 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:01:53,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:01:53,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1554517977, now seen corresponding path program 1 times [2024-12-02 06:01:53,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:01:53,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082618353] [2024-12-02 06:01:53,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:01:53,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:01:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:01:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:01:56,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:01:56,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082618353] [2024-12-02 06:01:56,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082618353] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:01:56,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:01:56,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 06:01:56,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504036519] [2024-12-02 06:01:56,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:01:56,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 06:01:56,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:01:56,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 06:01:56,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:01:56,743 INFO L87 Difference]: Start difference. First operand 9823 states and 14069 transitions. Second operand has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:02:00,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:00,244 INFO L93 Difference]: Finished difference Result 15593 states and 22038 transitions. [2024-12-02 06:02:00,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 06:02:00,245 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 315 [2024-12-02 06:02:00,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:00,264 INFO L225 Difference]: With dead ends: 15593 [2024-12-02 06:02:00,264 INFO L226 Difference]: Without dead ends: 11369 [2024-12-02 06:02:00,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-12-02 06:02:00,271 INFO L435 NwaCegarLoop]: 237 mSDtfsCounter, 328 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:00,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 1486 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 06:02:00,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11369 states. [2024-12-02 06:02:01,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11369 to 9830. [2024-12-02 06:02:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9830 states, 7912 states have (on average 1.3575581395348837) internal successors, (10741), 8008 states have internal predecessors, (10741), 1629 states have call successors, (1629), 288 states have call predecessors, (1629), 288 states have return successors, (1629), 1533 states have call predecessors, (1629), 1629 states have call successors, (1629) [2024-12-02 06:02:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9830 states to 9830 states and 13999 transitions. [2024-12-02 06:02:01,620 INFO L78 Accepts]: Start accepts. Automaton has 9830 states and 13999 transitions. Word has length 315 [2024-12-02 06:02:01,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:01,621 INFO L471 AbstractCegarLoop]: Abstraction has 9830 states and 13999 transitions. [2024-12-02 06:02:01,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:02:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 9830 states and 13999 transitions. [2024-12-02 06:02:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:02:01,624 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:01,624 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:02:01,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 06:02:01,624 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:01,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:01,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1039908005, now seen corresponding path program 1 times [2024-12-02 06:02:01,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:01,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155403062] [2024-12-02 06:02:01,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:01,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:02:13,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:13,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155403062] [2024-12-02 06:02:13,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155403062] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:13,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:13,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-12-02 06:02:13,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193936675] [2024-12-02 06:02:13,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:13,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 06:02:13,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:13,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 06:02:13,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-12-02 06:02:13,219 INFO L87 Difference]: Start difference. First operand 9830 states and 13999 transitions. Second operand has 21 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 21 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:02:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:18,460 INFO L93 Difference]: Finished difference Result 13833 states and 19267 transitions. [2024-12-02 06:02:18,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 06:02:18,460 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 21 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2024-12-02 06:02:18,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:18,482 INFO L225 Difference]: With dead ends: 13833 [2024-12-02 06:02:18,482 INFO L226 Difference]: Without dead ends: 13831 [2024-12-02 06:02:18,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=302, Invalid=1104, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 06:02:18,487 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 515 mSDsluCounter, 2037 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 2272 SdHoareTripleChecker+Invalid, 1808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:18,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 2272 Invalid, 1808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-12-02 06:02:18,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13831 states. [2024-12-02 06:02:19,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13831 to 9865. [2024-12-02 06:02:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9865 states, 7947 states have (on average 1.356864225493897) internal successors, (10783), 8043 states have internal predecessors, (10783), 1629 states have call successors, (1629), 288 states have call predecessors, (1629), 288 states have return successors, (1629), 1533 states have call predecessors, (1629), 1629 states have call successors, (1629) [2024-12-02 06:02:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9865 states to 9865 states and 14041 transitions. [2024-12-02 06:02:19,868 INFO L78 Accepts]: Start accepts. Automaton has 9865 states and 14041 transitions. Word has length 315 [2024-12-02 06:02:19,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:19,869 INFO L471 AbstractCegarLoop]: Abstraction has 9865 states and 14041 transitions. [2024-12-02 06:02:19,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 21 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:02:19,869 INFO L276 IsEmpty]: Start isEmpty. Operand 9865 states and 14041 transitions. [2024-12-02 06:02:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:02:19,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:19,871 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:02:19,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 06:02:19,872 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:19,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:19,872 INFO L85 PathProgramCache]: Analyzing trace with hash 274654299, now seen corresponding path program 1 times [2024-12-02 06:02:19,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:19,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287145562] [2024-12-02 06:02:19,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:19,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:02:23,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:23,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287145562] [2024-12-02 06:02:23,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287145562] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:23,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:23,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 06:02:23,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305783009] [2024-12-02 06:02:23,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:23,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 06:02:23,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:23,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 06:02:23,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-12-02 06:02:23,395 INFO L87 Difference]: Start difference. First operand 9865 states and 14041 transitions. Second operand has 19 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 19 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:02:29,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:29,783 INFO L93 Difference]: Finished difference Result 12609 states and 17544 transitions. [2024-12-02 06:02:29,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 06:02:29,784 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 19 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2024-12-02 06:02:29,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:29,804 INFO L225 Difference]: With dead ends: 12609 [2024-12-02 06:02:29,804 INFO L226 Difference]: Without dead ends: 12607 [2024-12-02 06:02:29,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=214, Invalid=976, Unknown=0, NotChecked=0, Total=1190 [2024-12-02 06:02:29,807 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 352 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 2289 SdHoareTripleChecker+Invalid, 2579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:29,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 2289 Invalid, 2579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 06:02:29,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12607 states. [2024-12-02 06:02:31,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12607 to 9905. [2024-12-02 06:02:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9905 states, 7987 states have (on average 1.357581069237511) internal successors, (10843), 8083 states have internal predecessors, (10843), 1629 states have call successors, (1629), 288 states have call predecessors, (1629), 288 states have return successors, (1629), 1533 states have call predecessors, (1629), 1629 states have call successors, (1629) [2024-12-02 06:02:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9905 states to 9905 states and 14101 transitions. [2024-12-02 06:02:31,196 INFO L78 Accepts]: Start accepts. Automaton has 9905 states and 14101 transitions. Word has length 315 [2024-12-02 06:02:31,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:31,197 INFO L471 AbstractCegarLoop]: Abstraction has 9905 states and 14101 transitions. [2024-12-02 06:02:31,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 19 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:02:31,197 INFO L276 IsEmpty]: Start isEmpty. Operand 9905 states and 14101 transitions. [2024-12-02 06:02:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:02:31,200 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:31,200 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:02:31,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 06:02:31,200 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:31,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:31,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2093435803, now seen corresponding path program 1 times [2024-12-02 06:02:31,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:31,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623575775] [2024-12-02 06:02:31,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:31,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:33,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:02:33,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:33,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623575775] [2024-12-02 06:02:33,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623575775] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:33,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:33,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 06:02:33,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279678963] [2024-12-02 06:02:33,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:33,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 06:02:33,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:33,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 06:02:33,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:02:33,135 INFO L87 Difference]: Start difference. First operand 9905 states and 14101 transitions. Second operand has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 06:02:36,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:36,563 INFO L93 Difference]: Finished difference Result 11810 states and 16464 transitions. [2024-12-02 06:02:36,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 06:02:36,563 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 315 [2024-12-02 06:02:36,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:36,582 INFO L225 Difference]: With dead ends: 11810 [2024-12-02 06:02:36,583 INFO L226 Difference]: Without dead ends: 11808 [2024-12-02 06:02:36,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2024-12-02 06:02:36,585 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 544 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:36,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 1737 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1444 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 06:02:36,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11808 states. [2024-12-02 06:02:37,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11808 to 9846. [2024-12-02 06:02:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9846 states, 7928 states have (on average 1.3539354187689203) internal successors, (10734), 8024 states have internal predecessors, (10734), 1629 states have call successors, (1629), 288 states have call predecessors, (1629), 288 states have return successors, (1629), 1533 states have call predecessors, (1629), 1629 states have call successors, (1629) [2024-12-02 06:02:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9846 states to 9846 states and 13992 transitions. [2024-12-02 06:02:38,005 INFO L78 Accepts]: Start accepts. Automaton has 9846 states and 13992 transitions. Word has length 315 [2024-12-02 06:02:38,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:38,005 INFO L471 AbstractCegarLoop]: Abstraction has 9846 states and 13992 transitions. [2024-12-02 06:02:38,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 3 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2024-12-02 06:02:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 9846 states and 13992 transitions. [2024-12-02 06:02:38,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:02:38,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:38,010 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:02:38,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 06:02:38,010 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:38,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:38,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1071737563, now seen corresponding path program 1 times [2024-12-02 06:02:38,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:38,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034966867] [2024-12-02 06:02:38,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:38,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:02:40,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:40,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034966867] [2024-12-02 06:02:40,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034966867] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:40,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:40,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 06:02:40,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483091109] [2024-12-02 06:02:40,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:40,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 06:02:40,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:40,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 06:02:40,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-12-02 06:02:40,710 INFO L87 Difference]: Start difference. First operand 9846 states and 13992 transitions. Second operand has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:02:43,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:43,834 INFO L93 Difference]: Finished difference Result 12411 states and 17391 transitions. [2024-12-02 06:02:43,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 06:02:43,834 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2024-12-02 06:02:43,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:43,853 INFO L225 Difference]: With dead ends: 12411 [2024-12-02 06:02:43,853 INFO L226 Difference]: Without dead ends: 12409 [2024-12-02 06:02:43,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-12-02 06:02:43,856 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 272 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1951 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:43,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1951 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 06:02:43,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12409 states. [2024-12-02 06:02:45,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12409 to 9846. [2024-12-02 06:02:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9846 states, 7928 states have (on average 1.3539354187689203) internal successors, (10734), 8024 states have internal predecessors, (10734), 1629 states have call successors, (1629), 288 states have call predecessors, (1629), 288 states have return successors, (1629), 1533 states have call predecessors, (1629), 1629 states have call successors, (1629) [2024-12-02 06:02:45,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9846 states to 9846 states and 13992 transitions. [2024-12-02 06:02:45,287 INFO L78 Accepts]: Start accepts. Automaton has 9846 states and 13992 transitions. Word has length 315 [2024-12-02 06:02:45,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:45,288 INFO L471 AbstractCegarLoop]: Abstraction has 9846 states and 13992 transitions. [2024-12-02 06:02:45,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:02:45,288 INFO L276 IsEmpty]: Start isEmpty. Operand 9846 states and 13992 transitions. [2024-12-02 06:02:45,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:02:45,290 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:45,291 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:02:45,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 06:02:45,291 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:45,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:45,291 INFO L85 PathProgramCache]: Analyzing trace with hash -617206179, now seen corresponding path program 1 times [2024-12-02 06:02:45,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:45,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459213283] [2024-12-02 06:02:45,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:45,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:02:50,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:50,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459213283] [2024-12-02 06:02:50,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459213283] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:50,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:50,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 06:02:50,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186264592] [2024-12-02 06:02:50,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:50,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 06:02:50,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:50,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 06:02:50,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:02:50,182 INFO L87 Difference]: Start difference. First operand 9846 states and 13992 transitions. Second operand has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:02:54,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:02:54,573 INFO L93 Difference]: Finished difference Result 10756 states and 15104 transitions. [2024-12-02 06:02:54,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 06:02:54,574 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2024-12-02 06:02:54,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:02:54,594 INFO L225 Difference]: With dead ends: 10756 [2024-12-02 06:02:54,594 INFO L226 Difference]: Without dead ends: 10754 [2024-12-02 06:02:54,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:02:54,598 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 335 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1591 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 06:02:54,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 1591 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 06:02:54,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10754 states. [2024-12-02 06:02:56,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10754 to 9916. [2024-12-02 06:02:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9916 states, 7998 states have (on average 1.3525881470367591) internal successors, (10818), 8094 states have internal predecessors, (10818), 1629 states have call successors, (1629), 288 states have call predecessors, (1629), 288 states have return successors, (1629), 1533 states have call predecessors, (1629), 1629 states have call successors, (1629) [2024-12-02 06:02:56,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9916 states to 9916 states and 14076 transitions. [2024-12-02 06:02:56,089 INFO L78 Accepts]: Start accepts. Automaton has 9916 states and 14076 transitions. Word has length 315 [2024-12-02 06:02:56,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:02:56,089 INFO L471 AbstractCegarLoop]: Abstraction has 9916 states and 14076 transitions. [2024-12-02 06:02:56,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:02:56,090 INFO L276 IsEmpty]: Start isEmpty. Operand 9916 states and 14076 transitions. [2024-12-02 06:02:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-12-02 06:02:56,092 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:02:56,092 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:02:56,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 06:02:56,093 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:02:56,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:02:56,093 INFO L85 PathProgramCache]: Analyzing trace with hash 697356125, now seen corresponding path program 1 times [2024-12-02 06:02:56,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:02:56,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960992661] [2024-12-02 06:02:56,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:02:56,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:02:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:02:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:02:58,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:02:58,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960992661] [2024-12-02 06:02:58,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960992661] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:02:58,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:02:58,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 06:02:58,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809011592] [2024-12-02 06:02:58,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:02:58,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 06:02:58,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:02:58,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 06:02:58,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-12-02 06:02:58,200 INFO L87 Difference]: Start difference. First operand 9916 states and 14076 transitions. Second operand has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:00,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:00,788 INFO L93 Difference]: Finished difference Result 11687 states and 16315 transitions. [2024-12-02 06:03:00,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 06:03:00,789 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 315 [2024-12-02 06:03:00,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:00,807 INFO L225 Difference]: With dead ends: 11687 [2024-12-02 06:03:00,807 INFO L226 Difference]: Without dead ends: 11685 [2024-12-02 06:03:00,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-12-02 06:03:00,810 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 135 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:00,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1635 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 06:03:00,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11685 states. [2024-12-02 06:03:02,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11685 to 9908. [2024-12-02 06:03:02,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9908 states, 7990 states have (on average 1.3506883604505633) internal successors, (10792), 8086 states have internal predecessors, (10792), 1629 states have call successors, (1629), 288 states have call predecessors, (1629), 288 states have return successors, (1629), 1533 states have call predecessors, (1629), 1629 states have call successors, (1629) [2024-12-02 06:03:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9908 states to 9908 states and 14050 transitions. [2024-12-02 06:03:02,269 INFO L78 Accepts]: Start accepts. Automaton has 9908 states and 14050 transitions. Word has length 315 [2024-12-02 06:03:02,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:02,269 INFO L471 AbstractCegarLoop]: Abstraction has 9908 states and 14050 transitions. [2024-12-02 06:03:02,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 9908 states and 14050 transitions. [2024-12-02 06:03:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-12-02 06:03:02,272 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:02,272 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:03:02,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 06:03:02,273 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:02,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:02,273 INFO L85 PathProgramCache]: Analyzing trace with hash 511087618, now seen corresponding path program 1 times [2024-12-02 06:03:02,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:02,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918456282] [2024-12-02 06:03:02,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:02,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:03:02,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:02,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918456282] [2024-12-02 06:03:02,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918456282] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:02,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:03:02,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:03:02,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089021071] [2024-12-02 06:03:02,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:02,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:03:02,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:02,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:03:02,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:03:02,351 INFO L87 Difference]: Start difference. First operand 9908 states and 14050 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:04,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:04,388 INFO L93 Difference]: Finished difference Result 23068 states and 32089 transitions. [2024-12-02 06:03:04,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:03:04,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 316 [2024-12-02 06:03:04,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:04,412 INFO L225 Difference]: With dead ends: 23068 [2024-12-02 06:03:04,412 INFO L226 Difference]: Without dead ends: 13588 [2024-12-02 06:03:04,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:03:04,425 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 45 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:04,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 459 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:03:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13588 states. [2024-12-02 06:03:06,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13588 to 13488. [2024-12-02 06:03:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13488 states, 11065 states have (on average 1.3090826931766832) internal successors, (14485), 11217 states have internal predecessors, (14485), 1965 states have call successors, (1965), 457 states have call predecessors, (1965), 457 states have return successors, (1965), 1813 states have call predecessors, (1965), 1965 states have call successors, (1965) [2024-12-02 06:03:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13488 states to 13488 states and 18415 transitions. [2024-12-02 06:03:06,567 INFO L78 Accepts]: Start accepts. Automaton has 13488 states and 18415 transitions. Word has length 316 [2024-12-02 06:03:06,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:06,568 INFO L471 AbstractCegarLoop]: Abstraction has 13488 states and 18415 transitions. [2024-12-02 06:03:06,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 13488 states and 18415 transitions. [2024-12-02 06:03:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-12-02 06:03:06,572 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:06,572 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:03:06,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-12-02 06:03:06,572 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:06,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:06,573 INFO L85 PathProgramCache]: Analyzing trace with hash 648186706, now seen corresponding path program 1 times [2024-12-02 06:03:06,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:06,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903564866] [2024-12-02 06:03:06,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:06,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:03:06,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:06,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903564866] [2024-12-02 06:03:06,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903564866] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:06,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:03:06,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:03:06,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197549819] [2024-12-02 06:03:06,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:06,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:03:06,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:06,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:03:06,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:03:06,680 INFO L87 Difference]: Start difference. First operand 13488 states and 18415 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:09,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:09,731 INFO L93 Difference]: Finished difference Result 28896 states and 38944 transitions. [2024-12-02 06:03:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:03:09,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 317 [2024-12-02 06:03:09,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:09,762 INFO L225 Difference]: With dead ends: 28896 [2024-12-02 06:03:09,762 INFO L226 Difference]: Without dead ends: 15870 [2024-12-02 06:03:09,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:03:09,778 INFO L435 NwaCegarLoop]: 262 mSDtfsCounter, 64 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:09,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 914 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:03:09,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15870 states. [2024-12-02 06:03:12,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15870 to 15357. [2024-12-02 06:03:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15357 states, 12234 states have (on average 1.2755435671080595) internal successors, (15605), 12442 states have internal predecessors, (15605), 2483 states have call successors, (2483), 639 states have call predecessors, (2483), 639 states have return successors, (2483), 2275 states have call predecessors, (2483), 2483 states have call successors, (2483) [2024-12-02 06:03:13,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15357 states to 15357 states and 20571 transitions. [2024-12-02 06:03:13,031 INFO L78 Accepts]: Start accepts. Automaton has 15357 states and 20571 transitions. Word has length 317 [2024-12-02 06:03:13,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:13,031 INFO L471 AbstractCegarLoop]: Abstraction has 15357 states and 20571 transitions. [2024-12-02 06:03:13,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:13,031 INFO L276 IsEmpty]: Start isEmpty. Operand 15357 states and 20571 transitions. [2024-12-02 06:03:13,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-12-02 06:03:13,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:13,035 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:03:13,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-12-02 06:03:13,035 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:13,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:13,035 INFO L85 PathProgramCache]: Analyzing trace with hash -744399072, now seen corresponding path program 1 times [2024-12-02 06:03:13,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:13,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201811747] [2024-12-02 06:03:13,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:13,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:13,139 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:03:13,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:13,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201811747] [2024-12-02 06:03:13,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201811747] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:13,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:03:13,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:03:13,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786524618] [2024-12-02 06:03:13,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:13,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:03:13,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:13,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:03:13,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:03:13,140 INFO L87 Difference]: Start difference. First operand 15357 states and 20571 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:16,619 INFO L93 Difference]: Finished difference Result 32970 states and 43725 transitions. [2024-12-02 06:03:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:03:16,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 317 [2024-12-02 06:03:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:16,656 INFO L225 Difference]: With dead ends: 32970 [2024-12-02 06:03:16,656 INFO L226 Difference]: Without dead ends: 18075 [2024-12-02 06:03:16,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:03:16,673 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 67 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 856 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:16,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 856 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:03:16,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18075 states. [2024-12-02 06:03:19,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18075 to 17275. [2024-12-02 06:03:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17275 states, 13760 states have (on average 1.2556686046511627) internal successors, (17278), 13989 states have internal predecessors, (17278), 2763 states have call successors, (2763), 751 states have call predecessors, (2763), 751 states have return successors, (2763), 2534 states have call predecessors, (2763), 2763 states have call successors, (2763) [2024-12-02 06:03:19,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17275 states to 17275 states and 22804 transitions. [2024-12-02 06:03:19,932 INFO L78 Accepts]: Start accepts. Automaton has 17275 states and 22804 transitions. Word has length 317 [2024-12-02 06:03:19,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:19,933 INFO L471 AbstractCegarLoop]: Abstraction has 17275 states and 22804 transitions. [2024-12-02 06:03:19,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 17275 states and 22804 transitions. [2024-12-02 06:03:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-12-02 06:03:19,936 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:19,937 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:03:19,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-12-02 06:03:19,937 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:19,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:19,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1747853154, now seen corresponding path program 1 times [2024-12-02 06:03:19,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:19,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274610179] [2024-12-02 06:03:19,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:19,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:03:24,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:24,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274610179] [2024-12-02 06:03:24,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274610179] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:24,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:03:24,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 06:03:24,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993808360] [2024-12-02 06:03:24,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:24,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 06:03:24,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:24,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 06:03:24,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-12-02 06:03:24,939 INFO L87 Difference]: Start difference. First operand 17275 states and 22804 transitions. Second operand has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:03:30,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:30,382 INFO L93 Difference]: Finished difference Result 18345 states and 23990 transitions. [2024-12-02 06:03:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 06:03:30,383 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 317 [2024-12-02 06:03:30,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:30,417 INFO L225 Difference]: With dead ends: 18345 [2024-12-02 06:03:30,417 INFO L226 Difference]: Without dead ends: 18343 [2024-12-02 06:03:30,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2024-12-02 06:03:30,422 INFO L435 NwaCegarLoop]: 233 mSDtfsCounter, 218 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1615 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:30,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 1615 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 06:03:30,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18343 states. [2024-12-02 06:03:33,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18343 to 17212. [2024-12-02 06:03:33,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17212 states, 13697 states have (on average 1.2563335036869387) internal successors, (17208), 13926 states have internal predecessors, (17208), 2763 states have call successors, (2763), 751 states have call predecessors, (2763), 751 states have return successors, (2763), 2534 states have call predecessors, (2763), 2763 states have call successors, (2763) [2024-12-02 06:03:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17212 states to 17212 states and 22734 transitions. [2024-12-02 06:03:33,647 INFO L78 Accepts]: Start accepts. Automaton has 17212 states and 22734 transitions. Word has length 317 [2024-12-02 06:03:33,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:33,647 INFO L471 AbstractCegarLoop]: Abstraction has 17212 states and 22734 transitions. [2024-12-02 06:03:33,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-12-02 06:03:33,647 INFO L276 IsEmpty]: Start isEmpty. Operand 17212 states and 22734 transitions. [2024-12-02 06:03:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-12-02 06:03:33,652 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:33,652 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:03:33,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-12-02 06:03:33,652 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:33,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:33,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1974554187, now seen corresponding path program 1 times [2024-12-02 06:03:33,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:33,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57333545] [2024-12-02 06:03:33,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:33,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:33,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:03:43,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:43,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57333545] [2024-12-02 06:03:43,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57333545] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:43,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:03:43,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 06:03:43,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574025484] [2024-12-02 06:03:43,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:43,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 06:03:43,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:43,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 06:03:43,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:03:43,080 INFO L87 Difference]: Start difference. First operand 17212 states and 22734 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:51,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:51,215 INFO L93 Difference]: Finished difference Result 33532 states and 43156 transitions. [2024-12-02 06:03:51,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 06:03:51,215 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 317 [2024-12-02 06:03:51,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:51,255 INFO L225 Difference]: With dead ends: 33532 [2024-12-02 06:03:51,255 INFO L226 Difference]: Without dead ends: 25969 [2024-12-02 06:03:51,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2024-12-02 06:03:51,265 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 429 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1828 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:51,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1828 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1855 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 06:03:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25969 states. [2024-12-02 06:03:54,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25969 to 17242. [2024-12-02 06:03:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17242 states, 13727 states have (on average 1.256866030450936) internal successors, (17253), 13956 states have internal predecessors, (17253), 2763 states have call successors, (2763), 751 states have call predecessors, (2763), 751 states have return successors, (2763), 2534 states have call predecessors, (2763), 2763 states have call successors, (2763) [2024-12-02 06:03:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17242 states to 17242 states and 22779 transitions. [2024-12-02 06:03:54,547 INFO L78 Accepts]: Start accepts. Automaton has 17242 states and 22779 transitions. Word has length 317 [2024-12-02 06:03:54,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:54,548 INFO L471 AbstractCegarLoop]: Abstraction has 17242 states and 22779 transitions. [2024-12-02 06:03:54,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 17242 states and 22779 transitions. [2024-12-02 06:03:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-12-02 06:03:54,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:54,552 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:03:54,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-12-02 06:03:54,552 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:54,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:54,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1516228872, now seen corresponding path program 1 times [2024-12-02 06:03:54,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:54,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686342803] [2024-12-02 06:03:54,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:54,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:03:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:03:54,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:03:54,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686342803] [2024-12-02 06:03:54,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686342803] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:03:54,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:03:54,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:03:54,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627652689] [2024-12-02 06:03:54,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:03:54,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:03:54,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:03:54,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:03:54,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:03:54,667 INFO L87 Difference]: Start difference. First operand 17242 states and 22779 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:57,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:03:57,579 INFO L93 Difference]: Finished difference Result 32860 states and 43308 transitions. [2024-12-02 06:03:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:03:57,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 319 [2024-12-02 06:03:57,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:03:57,618 INFO L225 Difference]: With dead ends: 32860 [2024-12-02 06:03:57,618 INFO L226 Difference]: Without dead ends: 15865 [2024-12-02 06:03:57,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:03:57,639 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 43 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:03:57,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 452 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:03:57,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15865 states. [2024-12-02 06:03:59,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15865 to 12356. [2024-12-02 06:03:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12356 states, 10150 states have (on average 1.2784236453201971) internal successors, (12976), 10260 states have internal predecessors, (12976), 1769 states have call successors, (1769), 436 states have call predecessors, (1769), 436 states have return successors, (1769), 1659 states have call predecessors, (1769), 1769 states have call successors, (1769) [2024-12-02 06:03:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12356 states to 12356 states and 16514 transitions. [2024-12-02 06:03:59,555 INFO L78 Accepts]: Start accepts. Automaton has 12356 states and 16514 transitions. Word has length 319 [2024-12-02 06:03:59,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:03:59,556 INFO L471 AbstractCegarLoop]: Abstraction has 12356 states and 16514 transitions. [2024-12-02 06:03:59,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-12-02 06:03:59,556 INFO L276 IsEmpty]: Start isEmpty. Operand 12356 states and 16514 transitions. [2024-12-02 06:03:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-12-02 06:03:59,559 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:03:59,559 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:03:59,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-12-02 06:03:59,559 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:03:59,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:03:59,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1012333543, now seen corresponding path program 1 times [2024-12-02 06:03:59,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:03:59,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000061546] [2024-12-02 06:03:59,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:03:59,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:03:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:04:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-12-02 06:04:01,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:04:01,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000061546] [2024-12-02 06:04:01,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000061546] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:04:01,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:04:01,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 06:04:01,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447222633] [2024-12-02 06:04:01,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:04:01,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 06:04:01,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:04:01,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 06:04:01,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-02 06:04:01,715 INFO L87 Difference]: Start difference. First operand 12356 states and 16514 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49)