./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/Problem05_label43+token_ring.13.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/Problem05_label43+token_ring.13.cil-1.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 787fd4e7c035abcc01b5459445c9a556e2360c9914b85bc4573ad4dc94fc74c0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 17:10:41,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 17:10:41,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 17:10:41,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 17:10:41,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 17:10:41,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 17:10:41,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 17:10:41,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 17:10:41,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 17:10:41,264 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 17:10:41,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 17:10:41,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 17:10:41,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 17:10:41,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 17:10:41,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 17:10:41,266 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 17:10:41,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 17:10:41,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 17:10:41,266 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 17:10:41,266 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 17:10:41,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 17:10:41,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 17:10:41,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 17:10:41,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 17:10:41,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 17:10:41,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 17:10:41,267 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 17:10:41,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 17:10:41,267 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 17:10:41,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 17:10:41,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 17:10:41,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 17:10:41,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 17:10:41,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 17:10:41,267 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 787fd4e7c035abcc01b5459445c9a556e2360c9914b85bc4573ad4dc94fc74c0 [2025-02-05 17:10:41,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 17:10:41,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 17:10:41,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 17:10:41,496 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 17:10:41,496 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 17:10:41,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/Problem05_label43+token_ring.13.cil-1.c [2025-02-05 17:10:42,649 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf9bb28dd/08229f420afe4f56bea845bde441c1bc/FLAG228762482 [2025-02-05 17:10:43,260 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 17:10:43,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.13.cil-1.c [2025-02-05 17:10:43,308 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf9bb28dd/08229f420afe4f56bea845bde441c1bc/FLAG228762482 [2025-02-05 17:10:43,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cf9bb28dd/08229f420afe4f56bea845bde441c1bc [2025-02-05 17:10:43,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 17:10:43,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 17:10:43,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 17:10:43,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 17:10:43,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 17:10:43,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 05:10:43" (1/1) ... [2025-02-05 17:10:43,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9287a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:43, skipping insertion in model container [2025-02-05 17:10:43,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 05:10:43" (1/1) ... [2025-02-05 17:10:43,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 17:10:44,534 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.13.cil-1.c[381679,381692] [2025-02-05 17:10:44,561 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.13.cil-1.c[383339,383352] [2025-02-05 17:10:44,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 17:10:44,777 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 17:10:45,364 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.13.cil-1.c[381679,381692] [2025-02-05 17:10:45,367 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/Problem05_label43+token_ring.13.cil-1.c[383339,383352] [2025-02-05 17:10:45,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 17:10:45,441 INFO L204 MainTranslator]: Completed translation [2025-02-05 17:10:45,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45 WrapperNode [2025-02-05 17:10:45,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 17:10:45,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 17:10:45,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 17:10:45,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 17:10:45,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:45,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:45,851 INFO L138 Inliner]: procedures = 70, calls = 81, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 13248 [2025-02-05 17:10:45,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 17:10:45,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 17:10:45,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 17:10:45,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 17:10:45,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:45,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:45,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:45,971 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]. [2025-02-05 17:10:45,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:45,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:46,153 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:46,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:46,192 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:46,211 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:46,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 17:10:46,253 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 17:10:46,253 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 17:10:46,253 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 17:10:46,254 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (1/1) ... [2025-02-05 17:10:46,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 17:10:46,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 17:10:46,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 17:10:46,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 17:10:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 17:10:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2025-02-05 17:10:46,297 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2025-02-05 17:10:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2025-02-05 17:10:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2025-02-05 17:10:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2025-02-05 17:10:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2025-02-05 17:10:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure error [2025-02-05 17:10:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2025-02-05 17:10:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2025-02-05 17:10:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2025-02-05 17:10:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2025-02-05 17:10:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2025-02-05 17:10:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2025-02-05 17:10:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2025-02-05 17:10:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 17:10:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 17:10:46,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 17:10:46,379 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 17:10:46,381 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 17:10:53,783 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4481: havoc calculate_output3_#t~ret16#1; [2025-02-05 17:10:53,784 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7469: havoc calculate_output5_#t~ret18#1; [2025-02-05 17:10:53,784 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3033: havoc calculate_output2_#t~ret15#1; [2025-02-05 17:10:53,784 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10440: havoc calculate_output7_#t~ret20#1; [2025-02-05 17:10:53,784 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L8922: havoc calculate_output6_#t~ret19#1; [2025-02-05 17:10:53,785 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6035: havoc calculate_output4_#t~ret17#1; [2025-02-05 17:10:53,786 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1543: havoc calculate_output_#t~ret14#1; [2025-02-05 17:10:54,178 INFO L? ?]: Removed 1765 outVars from TransFormulas that were not future-live. [2025-02-05 17:10:54,178 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 17:10:54,223 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 17:10:54,224 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 17:10:54,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 05:10:54 BoogieIcfgContainer [2025-02-05 17:10:54,224 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 17:10:54,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 17:10:54,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 17:10:54,229 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 17:10:54,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 05:10:43" (1/3) ... [2025-02-05 17:10:54,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f96761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 05:10:54, skipping insertion in model container [2025-02-05 17:10:54,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 05:10:45" (2/3) ... [2025-02-05 17:10:54,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f96761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 05:10:54, skipping insertion in model container [2025-02-05 17:10:54,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 05:10:54" (3/3) ... [2025-02-05 17:10:54,231 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem05_label43+token_ring.13.cil-1.c [2025-02-05 17:10:54,242 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 17:10:54,245 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem05_label43+token_ring.13.cil-1.c that has 8 procedures, 2626 locations, 1 initial locations, 17 loop locations, and 2 error locations. [2025-02-05 17:10:54,321 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 17:10:54,332 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;@73f68924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 17:10:54,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-05 17:10:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 2626 states, 2587 states have (on average 1.826439891766525) internal successors, (4725), 2592 states have internal predecessors, (4725), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-05 17:10:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:10:54,353 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:10:54,354 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:10:54,354 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:10:54,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:10:54,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1841650084, now seen corresponding path program 1 times [2025-02-05 17:10:54,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:10:54,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000327951] [2025-02-05 17:10:54,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:10:54,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:10:54,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:10:54,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:10:54,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:10:54,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:10:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:10:54,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:10:54,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000327951] [2025-02-05 17:10:54,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000327951] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:10:54,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:10:54,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:10:54,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002295708] [2025-02-05 17:10:54,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:10:54,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:10:54,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:10:54,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:10:54,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:10:54,912 INFO L87 Difference]: Start difference. First operand has 2626 states, 2587 states have (on average 1.826439891766525) internal successors, (4725), 2592 states have internal predecessors, (4725), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:10:55,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:10:55,811 INFO L93 Difference]: Finished difference Result 5701 states and 10295 transitions. [2025-02-05 17:10:55,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-05 17:10:55,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:10:55,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:10:55,834 INFO L225 Difference]: With dead ends: 5701 [2025-02-05 17:10:55,834 INFO L226 Difference]: Without dead ends: 3026 [2025-02-05 17:10:55,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:10:55,842 INFO L435 NwaCegarLoop]: 4561 mSDtfsCounter, 5303 mSDsluCounter, 9438 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5324 SdHoareTripleChecker+Valid, 13999 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:10:55,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5324 Valid, 13999 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:10:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3026 states. [2025-02-05 17:10:55,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3026 to 2993. [2025-02-05 17:10:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2993 states, 2927 states have (on average 1.7810044414075845) internal successors, (5213), 2931 states have internal predecessors, (5213), 51 states have call successors, (51), 13 states have call predecessors, (51), 13 states have return successors, (50), 49 states have call predecessors, (50), 49 states have call successors, (50) [2025-02-05 17:10:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2993 states and 5314 transitions. [2025-02-05 17:10:55,975 INFO L78 Accepts]: Start accepts. Automaton has 2993 states and 5314 transitions. Word has length 190 [2025-02-05 17:10:55,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:10:55,975 INFO L471 AbstractCegarLoop]: Abstraction has 2993 states and 5314 transitions. [2025-02-05 17:10:55,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 4 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:10:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2993 states and 5314 transitions. [2025-02-05 17:10:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:10:55,979 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:10:55,979 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:10:55,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 17:10:55,980 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:10:55,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:10:55,980 INFO L85 PathProgramCache]: Analyzing trace with hash -617679654, now seen corresponding path program 1 times [2025-02-05 17:10:55,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:10:55,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554747214] [2025-02-05 17:10:55,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:10:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:10:55,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:10:55,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:10:55,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:10:55,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:10:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:10:56,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:10:56,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554747214] [2025-02-05 17:10:56,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554747214] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:10:56,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:10:56,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:10:56,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055918800] [2025-02-05 17:10:56,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:10:56,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:10:56,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:10:56,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:10:56,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:10:56,159 INFO L87 Difference]: Start difference. First operand 2993 states and 5314 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:10:56,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:10:56,904 INFO L93 Difference]: Finished difference Result 4390 states and 7525 transitions. [2025-02-05 17:10:56,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:10:56,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:10:56,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:10:56,917 INFO L225 Difference]: With dead ends: 4390 [2025-02-05 17:10:56,917 INFO L226 Difference]: Without dead ends: 3539 [2025-02-05 17:10:56,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:10:56,920 INFO L435 NwaCegarLoop]: 4866 mSDtfsCounter, 5244 mSDsluCounter, 14692 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5265 SdHoareTripleChecker+Valid, 19558 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:10:56,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5265 Valid, 19558 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:10:56,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2025-02-05 17:10:56,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3398. [2025-02-05 17:10:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3398 states, 3303 states have (on average 1.7523463518013926) internal successors, (5788), 3308 states have internal predecessors, (5788), 73 states have call successors, (73), 19 states have call predecessors, (73), 20 states have return successors, (75), 72 states have call predecessors, (75), 71 states have call successors, (75) [2025-02-05 17:10:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 5936 transitions. [2025-02-05 17:10:56,995 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 5936 transitions. Word has length 190 [2025-02-05 17:10:56,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:10:56,995 INFO L471 AbstractCegarLoop]: Abstraction has 3398 states and 5936 transitions. [2025-02-05 17:10:56,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:10:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 5936 transitions. [2025-02-05 17:10:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:10:56,998 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:10:56,998 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:10:56,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 17:10:56,998 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:10:56,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:10:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1479983815, now seen corresponding path program 1 times [2025-02-05 17:10:56,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:10:56,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365657141] [2025-02-05 17:10:56,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:10:56,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:10:57,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:10:57,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:10:57,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:10:57,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:10:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:10:57,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:10:57,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365657141] [2025-02-05 17:10:57,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365657141] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:10:57,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:10:57,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:10:57,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524228780] [2025-02-05 17:10:57,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:10:57,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:10:57,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:10:57,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:10:57,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:10:57,436 INFO L87 Difference]: Start difference. First operand 3398 states and 5936 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:10:58,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:10:58,203 INFO L93 Difference]: Finished difference Result 5678 states and 9536 transitions. [2025-02-05 17:10:58,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:10:58,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:10:58,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:10:58,218 INFO L225 Difference]: With dead ends: 5678 [2025-02-05 17:10:58,218 INFO L226 Difference]: Without dead ends: 4422 [2025-02-05 17:10:58,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:10:58,222 INFO L435 NwaCegarLoop]: 4862 mSDtfsCounter, 5239 mSDsluCounter, 14680 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5260 SdHoareTripleChecker+Valid, 19542 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:10:58,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5260 Valid, 19542 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:10:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4422 states. [2025-02-05 17:10:58,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4422 to 4259. [2025-02-05 17:10:58,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4259 states, 4104 states have (on average 1.7136939571150098) internal successors, (7033), 4113 states have internal predecessors, (7033), 117 states have call successors, (117), 31 states have call predecessors, (117), 36 states have return successors, (131), 118 states have call predecessors, (131), 115 states have call successors, (131) [2025-02-05 17:10:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4259 states to 4259 states and 7281 transitions. [2025-02-05 17:10:58,319 INFO L78 Accepts]: Start accepts. Automaton has 4259 states and 7281 transitions. Word has length 190 [2025-02-05 17:10:58,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:10:58,319 INFO L471 AbstractCegarLoop]: Abstraction has 4259 states and 7281 transitions. [2025-02-05 17:10:58,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:10:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4259 states and 7281 transitions. [2025-02-05 17:10:58,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:10:58,322 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:10:58,322 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:10:58,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-05 17:10:58,322 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:10:58,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:10:58,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1230705414, now seen corresponding path program 1 times [2025-02-05 17:10:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:10:58,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205585187] [2025-02-05 17:10:58,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:10:58,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:10:58,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:10:58,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:10:58,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:10:58,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:10:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:10:58,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:10:58,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205585187] [2025-02-05 17:10:58,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205585187] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:10:58,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:10:58,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:10:58,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784582289] [2025-02-05 17:10:58,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:10:58,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:10:58,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:10:58,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:10:58,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:10:58,487 INFO L87 Difference]: Start difference. First operand 4259 states and 7281 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:10:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:10:59,233 INFO L93 Difference]: Finished difference Result 8453 states and 13959 transitions. [2025-02-05 17:10:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:10:59,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:10:59,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:10:59,255 INFO L225 Difference]: With dead ends: 8453 [2025-02-05 17:10:59,255 INFO L226 Difference]: Without dead ends: 6336 [2025-02-05 17:10:59,260 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:10:59,260 INFO L435 NwaCegarLoop]: 4859 mSDtfsCounter, 5234 mSDsluCounter, 14671 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5255 SdHoareTripleChecker+Valid, 19530 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:10:59,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5255 Valid, 19530 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:10:59,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6336 states. [2025-02-05 17:10:59,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6336 to 6128. [2025-02-05 17:10:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6128 states, 5847 states have (on average 1.6755601162989566) internal successors, (9797), 5870 states have internal predecessors, (9797), 205 states have call successors, (205), 55 states have call predecessors, (205), 74 states have return successors, (267), 210 states have call predecessors, (267), 203 states have call successors, (267) [2025-02-05 17:10:59,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6128 states to 6128 states and 10269 transitions. [2025-02-05 17:10:59,385 INFO L78 Accepts]: Start accepts. Automaton has 6128 states and 10269 transitions. Word has length 190 [2025-02-05 17:10:59,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:10:59,385 INFO L471 AbstractCegarLoop]: Abstraction has 6128 states and 10269 transitions. [2025-02-05 17:10:59,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:10:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 6128 states and 10269 transitions. [2025-02-05 17:10:59,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:10:59,388 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:10:59,388 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:10:59,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-05 17:10:59,389 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:10:59,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:10:59,389 INFO L85 PathProgramCache]: Analyzing trace with hash -945569511, now seen corresponding path program 1 times [2025-02-05 17:10:59,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:10:59,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086364756] [2025-02-05 17:10:59,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:10:59,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:10:59,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:10:59,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:10:59,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:10:59,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:10:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:10:59,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:10:59,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086364756] [2025-02-05 17:10:59,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086364756] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:10:59,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:10:59,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:10:59,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630738745] [2025-02-05 17:10:59,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:10:59,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:10:59,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:10:59,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:10:59,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:10:59,526 INFO L87 Difference]: Start difference. First operand 6128 states and 10269 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:00,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:00,387 INFO L93 Difference]: Finished difference Result 14572 states and 23985 transitions. [2025-02-05 17:11:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:11:00,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:00,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:00,424 INFO L225 Difference]: With dead ends: 14572 [2025-02-05 17:11:00,424 INFO L226 Difference]: Without dead ends: 10586 [2025-02-05 17:11:00,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:11:00,436 INFO L435 NwaCegarLoop]: 4856 mSDtfsCounter, 5229 mSDsluCounter, 14662 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5250 SdHoareTripleChecker+Valid, 19518 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:00,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5250 Valid, 19518 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-05 17:11:00,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10586 states. [2025-02-05 17:11:00,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10586 to 10289. [2025-02-05 17:11:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10289 states, 9738 states have (on average 1.6546518792359828) internal successors, (16113), 9807 states have internal predecessors, (16113), 381 states have call successors, (381), 103 states have call predecessors, (381), 168 states have return successors, (635), 394 states have call predecessors, (635), 379 states have call successors, (635) [2025-02-05 17:11:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10289 states to 10289 states and 17129 transitions. [2025-02-05 17:11:00,685 INFO L78 Accepts]: Start accepts. Automaton has 10289 states and 17129 transitions. Word has length 190 [2025-02-05 17:11:00,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:00,685 INFO L471 AbstractCegarLoop]: Abstraction has 10289 states and 17129 transitions. [2025-02-05 17:11:00,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand 10289 states and 17129 transitions. [2025-02-05 17:11:00,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:00,691 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:00,691 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:00,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-05 17:11:00,691 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:00,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:00,692 INFO L85 PathProgramCache]: Analyzing trace with hash -243634918, now seen corresponding path program 1 times [2025-02-05 17:11:00,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:00,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659097909] [2025-02-05 17:11:00,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:00,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:00,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:00,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:00,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:00,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:11:00,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:11:00,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:11:00,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659097909] [2025-02-05 17:11:00,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659097909] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:11:00,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:11:00,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:11:00,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920402860] [2025-02-05 17:11:00,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:11:00,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:11:00,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:11:00,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:11:00,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:11:00,931 INFO L87 Difference]: Start difference. First operand 10289 states and 17129 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:01,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:01,962 INFO L93 Difference]: Finished difference Result 28443 states and 47555 transitions. [2025-02-05 17:11:01,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:11:01,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:01,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:02,024 INFO L225 Difference]: With dead ends: 28443 [2025-02-05 17:11:02,024 INFO L226 Difference]: Without dead ends: 20296 [2025-02-05 17:11:02,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:11:02,057 INFO L435 NwaCegarLoop]: 4853 mSDtfsCounter, 5224 mSDsluCounter, 14653 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5245 SdHoareTripleChecker+Valid, 19506 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:02,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5245 Valid, 19506 Invalid, 1198 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:11:02,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20296 states. [2025-02-05 17:11:02,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20296 to 19826. [2025-02-05 17:11:02,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19826 states, 18681 states have (on average 1.6597077244258873) internal successors, (31005), 18896 states have internal predecessors, (31005), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:11:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19826 states to 19826 states and 33493 transitions. [2025-02-05 17:11:02,615 INFO L78 Accepts]: Start accepts. Automaton has 19826 states and 33493 transitions. Word has length 190 [2025-02-05 17:11:02,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:02,615 INFO L471 AbstractCegarLoop]: Abstraction has 19826 states and 33493 transitions. [2025-02-05 17:11:02,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 19826 states and 33493 transitions. [2025-02-05 17:11:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:02,622 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:02,622 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:02,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-05 17:11:02,623 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:02,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:02,623 INFO L85 PathProgramCache]: Analyzing trace with hash -636633863, now seen corresponding path program 1 times [2025-02-05 17:11:02,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:02,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802724483] [2025-02-05 17:11:02,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:02,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:02,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:02,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:02,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:02,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:11:02,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:11:02,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:11:02,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802724483] [2025-02-05 17:11:02,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802724483] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:11:02,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:11:02,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:11:02,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499213719] [2025-02-05 17:11:02,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:11:02,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:11:02,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:11:02,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:11:02,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:11:02,876 INFO L87 Difference]: Start difference. First operand 19826 states and 33493 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:03,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:03,585 INFO L93 Difference]: Finished difference Result 42900 states and 74128 transitions. [2025-02-05 17:11:03,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:11:03,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:03,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:03,672 INFO L225 Difference]: With dead ends: 42900 [2025-02-05 17:11:03,672 INFO L226 Difference]: Without dead ends: 25216 [2025-02-05 17:11:03,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:11:03,719 INFO L435 NwaCegarLoop]: 4468 mSDtfsCounter, 4865 mSDsluCounter, 8767 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4886 SdHoareTripleChecker+Valid, 13235 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:03,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4886 Valid, 13235 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 17:11:03,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25216 states. [2025-02-05 17:11:04,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25216 to 19826. [2025-02-05 17:11:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19826 states, 18681 states have (on average 1.6579412237032278) internal successors, (30972), 18896 states have internal predecessors, (30972), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:11:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19826 states to 19826 states and 33460 transitions. [2025-02-05 17:11:04,587 INFO L78 Accepts]: Start accepts. Automaton has 19826 states and 33460 transitions. Word has length 190 [2025-02-05 17:11:04,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:04,588 INFO L471 AbstractCegarLoop]: Abstraction has 19826 states and 33460 transitions. [2025-02-05 17:11:04,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 19826 states and 33460 transitions. [2025-02-05 17:11:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:04,597 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:04,597 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:04,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-05 17:11:04,597 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:04,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:04,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1844540730, now seen corresponding path program 1 times [2025-02-05 17:11:04,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:04,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771806778] [2025-02-05 17:11:04,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:04,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:04,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:04,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:04,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:04,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:11:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:11:04,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:11:04,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771806778] [2025-02-05 17:11:04,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771806778] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:11:04,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:11:04,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:11:04,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252612570] [2025-02-05 17:11:04,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:11:04,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:11:04,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:11:04,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:11:04,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:11:04,739 INFO L87 Difference]: Start difference. First operand 19826 states and 33460 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:05,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:05,530 INFO L93 Difference]: Finished difference Result 42655 states and 73572 transitions. [2025-02-05 17:11:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:11:05,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:05,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:05,611 INFO L225 Difference]: With dead ends: 42655 [2025-02-05 17:11:05,612 INFO L226 Difference]: Without dead ends: 24971 [2025-02-05 17:11:05,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:11:05,647 INFO L435 NwaCegarLoop]: 4465 mSDtfsCounter, 4862 mSDsluCounter, 8762 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4883 SdHoareTripleChecker+Valid, 13227 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:05,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4883 Valid, 13227 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 17:11:05,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24971 states. [2025-02-05 17:11:06,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24971 to 19826. [2025-02-05 17:11:06,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19826 states, 18681 states have (on average 1.6561747229805686) internal successors, (30939), 18896 states have internal predecessors, (30939), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:11:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19826 states to 19826 states and 33427 transitions. [2025-02-05 17:11:06,273 INFO L78 Accepts]: Start accepts. Automaton has 19826 states and 33427 transitions. Word has length 190 [2025-02-05 17:11:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:06,273 INFO L471 AbstractCegarLoop]: Abstraction has 19826 states and 33427 transitions. [2025-02-05 17:11:06,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 19826 states and 33427 transitions. [2025-02-05 17:11:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:06,280 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:06,280 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:06,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-05 17:11:06,281 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:06,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1400557351, now seen corresponding path program 1 times [2025-02-05 17:11:06,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:06,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243294018] [2025-02-05 17:11:06,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:06,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:06,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:06,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:06,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:11:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:11:06,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:11:06,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243294018] [2025-02-05 17:11:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243294018] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:11:06,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:11:06,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:11:06,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752439581] [2025-02-05 17:11:06,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:11:06,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:11:06,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:11:06,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:11:06,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:11:06,400 INFO L87 Difference]: Start difference. First operand 19826 states and 33427 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:07,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:07,675 INFO L93 Difference]: Finished difference Result 42165 states and 72526 transitions. [2025-02-05 17:11:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:11:07,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:07,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:07,754 INFO L225 Difference]: With dead ends: 42165 [2025-02-05 17:11:07,754 INFO L226 Difference]: Without dead ends: 24481 [2025-02-05 17:11:07,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:11:07,785 INFO L435 NwaCegarLoop]: 4460 mSDtfsCounter, 4858 mSDsluCounter, 8753 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4879 SdHoareTripleChecker+Valid, 13213 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:07,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4879 Valid, 13213 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:11:07,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24481 states. [2025-02-05 17:11:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24481 to 19826. [2025-02-05 17:11:08,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19826 states, 18681 states have (on average 1.654408222257909) internal successors, (30906), 18896 states have internal predecessors, (30906), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:11:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19826 states to 19826 states and 33394 transitions. [2025-02-05 17:11:08,376 INFO L78 Accepts]: Start accepts. Automaton has 19826 states and 33394 transitions. Word has length 190 [2025-02-05 17:11:08,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:08,377 INFO L471 AbstractCegarLoop]: Abstraction has 19826 states and 33394 transitions. [2025-02-05 17:11:08,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:08,377 INFO L276 IsEmpty]: Start isEmpty. Operand 19826 states and 33394 transitions. [2025-02-05 17:11:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:08,385 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:08,385 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:08,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-05 17:11:08,385 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:08,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:08,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1237403704, now seen corresponding path program 1 times [2025-02-05 17:11:08,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:08,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993449492] [2025-02-05 17:11:08,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:08,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:08,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:08,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:08,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:08,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:11:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:11:08,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:11:08,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993449492] [2025-02-05 17:11:08,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993449492] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:11:08,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:11:08,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:11:08,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717528881] [2025-02-05 17:11:08,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:11:08,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:11:08,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:11:08,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:11:08,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:11:08,525 INFO L87 Difference]: Start difference. First operand 19826 states and 33394 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:09,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:09,508 INFO L93 Difference]: Finished difference Result 41920 states and 71970 transitions. [2025-02-05 17:11:09,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:11:09,508 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:09,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:09,572 INFO L225 Difference]: With dead ends: 41920 [2025-02-05 17:11:09,572 INFO L226 Difference]: Without dead ends: 24236 [2025-02-05 17:11:09,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:11:09,601 INFO L435 NwaCegarLoop]: 4457 mSDtfsCounter, 4855 mSDsluCounter, 8748 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4876 SdHoareTripleChecker+Valid, 13205 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:09,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4876 Valid, 13205 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 17:11:09,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24236 states. [2025-02-05 17:11:10,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24236 to 19826. [2025-02-05 17:11:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19826 states, 18681 states have (on average 1.6526417215352498) internal successors, (30873), 18896 states have internal predecessors, (30873), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:11:10,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19826 states to 19826 states and 33361 transitions. [2025-02-05 17:11:10,138 INFO L78 Accepts]: Start accepts. Automaton has 19826 states and 33361 transitions. Word has length 190 [2025-02-05 17:11:10,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:10,139 INFO L471 AbstractCegarLoop]: Abstraction has 19826 states and 33361 transitions. [2025-02-05 17:11:10,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:10,139 INFO L276 IsEmpty]: Start isEmpty. Operand 19826 states and 33361 transitions. [2025-02-05 17:11:10,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:10,146 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:10,146 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:10,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-05 17:11:10,146 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:10,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:10,147 INFO L85 PathProgramCache]: Analyzing trace with hash 352667897, now seen corresponding path program 1 times [2025-02-05 17:11:10,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:10,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923180774] [2025-02-05 17:11:10,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:10,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:10,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:10,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:10,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:10,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:11:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:11:10,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:11:10,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923180774] [2025-02-05 17:11:10,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923180774] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:11:10,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:11:10,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:11:10,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041413512] [2025-02-05 17:11:10,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:11:10,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:11:10,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:11:10,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:11:10,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:11:10,256 INFO L87 Difference]: Start difference. First operand 19826 states and 33361 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:11,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:11,042 INFO L93 Difference]: Finished difference Result 41675 states and 71414 transitions. [2025-02-05 17:11:11,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:11:11,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:11,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:11,122 INFO L225 Difference]: With dead ends: 41675 [2025-02-05 17:11:11,122 INFO L226 Difference]: Without dead ends: 23991 [2025-02-05 17:11:11,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:11:11,175 INFO L435 NwaCegarLoop]: 4454 mSDtfsCounter, 4852 mSDsluCounter, 8743 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4873 SdHoareTripleChecker+Valid, 13197 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:11,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4873 Valid, 13197 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-05 17:11:11,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23991 states. [2025-02-05 17:11:11,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23991 to 19826. [2025-02-05 17:11:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19826 states, 18681 states have (on average 1.6508752208125903) internal successors, (30840), 18896 states have internal predecessors, (30840), 733 states have call successors, (733), 199 states have call predecessors, (733), 410 states have return successors, (1755), 762 states have call predecessors, (1755), 731 states have call successors, (1755) [2025-02-05 17:11:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19826 states to 19826 states and 33328 transitions. [2025-02-05 17:11:11,822 INFO L78 Accepts]: Start accepts. Automaton has 19826 states and 33328 transitions. Word has length 190 [2025-02-05 17:11:11,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:11,822 INFO L471 AbstractCegarLoop]: Abstraction has 19826 states and 33328 transitions. [2025-02-05 17:11:11,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 19826 states and 33328 transitions. [2025-02-05 17:11:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:11,828 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:11,829 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:11,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-05 17:11:11,829 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:11,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:11,829 INFO L85 PathProgramCache]: Analyzing trace with hash 47033368, now seen corresponding path program 1 times [2025-02-05 17:11:11,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:11,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082512918] [2025-02-05 17:11:11,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:11,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:11,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:11,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:11,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:11,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:11:11,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:11:11,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:11:11,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082512918] [2025-02-05 17:11:11,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082512918] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:11:11,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:11:11,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:11:11,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308511022] [2025-02-05 17:11:11,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:11:11,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:11:11,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:11:11,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:11:11,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:11:11,935 INFO L87 Difference]: Start difference. First operand 19826 states and 33328 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:13,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:13,659 INFO L93 Difference]: Finished difference Result 59202 states and 101482 transitions. [2025-02-05 17:11:13,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:11:13,659 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:13,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:13,791 INFO L225 Difference]: With dead ends: 59202 [2025-02-05 17:11:13,792 INFO L226 Difference]: Without dead ends: 41518 [2025-02-05 17:11:13,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:11:13,845 INFO L435 NwaCegarLoop]: 4821 mSDtfsCounter, 5176 mSDsluCounter, 14564 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5197 SdHoareTripleChecker+Valid, 19385 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:13,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5197 Valid, 19385 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-05 17:11:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41518 states. [2025-02-05 17:11:14,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41518 to 40925. [2025-02-05 17:11:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40925 states, 38430 states have (on average 1.6656778558417902) internal successors, (64012), 39099 states have internal predecessors, (64012), 1437 states have call successors, (1437), 391 states have call predecessors, (1437), 1056 states have return successors, (5531), 1498 states have call predecessors, (5531), 1435 states have call successors, (5531) [2025-02-05 17:11:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40925 states to 40925 states and 70980 transitions. [2025-02-05 17:11:15,057 INFO L78 Accepts]: Start accepts. Automaton has 40925 states and 70980 transitions. Word has length 190 [2025-02-05 17:11:15,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:15,057 INFO L471 AbstractCegarLoop]: Abstraction has 40925 states and 70980 transitions. [2025-02-05 17:11:15,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 40925 states and 70980 transitions. [2025-02-05 17:11:15,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:15,067 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:15,067 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:15,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-05 17:11:15,067 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:15,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:15,068 INFO L85 PathProgramCache]: Analyzing trace with hash -655562471, now seen corresponding path program 1 times [2025-02-05 17:11:15,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:15,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247131290] [2025-02-05 17:11:15,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:15,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:15,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:15,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:15,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:11:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:11:15,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:11:15,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247131290] [2025-02-05 17:11:15,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247131290] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:11:15,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:11:15,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 17:11:15,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944935368] [2025-02-05 17:11:15,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:11:15,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 17:11:15,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:11:15,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 17:11:15,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:11:15,162 INFO L87 Difference]: Start difference. First operand 40925 states and 70980 transitions. Second operand has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:18,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:18,483 INFO L93 Difference]: Finished difference Result 136135 states and 243549 transitions. [2025-02-05 17:11:18,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 17:11:18,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:18,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:18,867 INFO L225 Difference]: With dead ends: 136135 [2025-02-05 17:11:18,867 INFO L226 Difference]: Without dead ends: 97352 [2025-02-05 17:11:19,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-05 17:11:19,010 INFO L435 NwaCegarLoop]: 4816 mSDtfsCounter, 5575 mSDsluCounter, 14544 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5610 SdHoareTripleChecker+Valid, 19360 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:19,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5610 Valid, 19360 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-05 17:11:19,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97352 states. [2025-02-05 17:11:22,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97352 to 89978. [2025-02-05 17:11:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89978 states, 84361 states have (on average 1.693104633657733) internal successors, (142832), 86424 states have internal predecessors, (142832), 2781 states have call successors, (2781), 775 states have call predecessors, (2781), 2834 states have return successors, (19163), 2906 states have call predecessors, (19163), 2779 states have call successors, (19163) [2025-02-05 17:11:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89978 states to 89978 states and 164776 transitions. [2025-02-05 17:11:22,500 INFO L78 Accepts]: Start accepts. Automaton has 89978 states and 164776 transitions. Word has length 190 [2025-02-05 17:11:22,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:22,500 INFO L471 AbstractCegarLoop]: Abstraction has 89978 states and 164776 transitions. [2025-02-05 17:11:22,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.833333333333332) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:22,500 INFO L276 IsEmpty]: Start isEmpty. Operand 89978 states and 164776 transitions. [2025-02-05 17:11:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:22,516 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:22,516 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:22,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-05 17:11:22,517 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:22,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:22,517 INFO L85 PathProgramCache]: Analyzing trace with hash 291604472, now seen corresponding path program 1 times [2025-02-05 17:11:22,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:22,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012931121] [2025-02-05 17:11:22,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:22,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:22,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:22,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:22,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:22,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 17:11:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 17:11:22,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 17:11:22,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012931121] [2025-02-05 17:11:22,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012931121] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 17:11:22,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 17:11:22,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-05 17:11:22,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944237353] [2025-02-05 17:11:22,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 17:11:22,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 17:11:22,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 17:11:22,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 17:11:22,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 17:11:22,601 INFO L87 Difference]: Start difference. First operand 89978 states and 164776 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:26,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 17:11:26,374 INFO L93 Difference]: Finished difference Result 208460 states and 396926 transitions. [2025-02-05 17:11:26,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-05 17:11:26,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 190 [2025-02-05 17:11:26,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 17:11:26,744 INFO L225 Difference]: With dead ends: 208460 [2025-02-05 17:11:26,744 INFO L226 Difference]: Without dead ends: 120624 [2025-02-05 17:11:26,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-05 17:11:26,885 INFO L435 NwaCegarLoop]: 4447 mSDtfsCounter, 4845 mSDsluCounter, 8728 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4866 SdHoareTripleChecker+Valid, 13175 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-05 17:11:26,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4866 Valid, 13175 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-05 17:11:26,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120624 states. [2025-02-05 17:11:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120624 to 89978. [2025-02-05 17:11:31,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89978 states, 84361 states have (on average 1.69157549104444) internal successors, (142703), 86424 states have internal predecessors, (142703), 2781 states have call successors, (2781), 775 states have call predecessors, (2781), 2834 states have return successors, (19163), 2906 states have call predecessors, (19163), 2779 states have call successors, (19163) [2025-02-05 17:11:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89978 states to 89978 states and 164647 transitions. [2025-02-05 17:11:32,117 INFO L78 Accepts]: Start accepts. Automaton has 89978 states and 164647 transitions. Word has length 190 [2025-02-05 17:11:32,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 17:11:32,118 INFO L471 AbstractCegarLoop]: Abstraction has 89978 states and 164647 transitions. [2025-02-05 17:11:32,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-05 17:11:32,118 INFO L276 IsEmpty]: Start isEmpty. Operand 89978 states and 164647 transitions. [2025-02-05 17:11:32,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-05 17:11:32,136 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 17:11:32,136 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 17:11:32,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-05 17:11:32,137 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 17:11:32,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 17:11:32,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1014894905, now seen corresponding path program 1 times [2025-02-05 17:11:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 17:11:32,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527037846] [2025-02-05 17:11:32,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 17:11:32,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 17:11:32,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-02-05 17:11:32,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-02-05 17:11:32,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 17:11:32,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat