./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 93c2f95927688290d9634a76e5cb5c078ca9f28d9ebb5a85520405b4d17220b1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 09:58:41,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 09:58:41,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 09:58:41,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 09:58:41,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 09:58:41,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 09:58:41,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 09:58:41,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 09:58:41,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 09:58:41,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 09:58:41,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 09:58:41,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 09:58:41,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 09:58:41,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 09:58:41,138 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 09:58:41,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 09:58:41,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 09:58:41,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 09:58:41,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 09:58:41,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 09:58:41,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 09:58:41,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 09:58:41,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 09:58:41,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 09:58:41,145 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 09:58:41,145 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 09:58:41,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 09:58:41,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 09:58:41,146 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 09:58:41,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 09:58:41,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 09:58:41,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 09:58:41,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:58:41,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 09:58:41,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 09:58:41,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 09:58:41,148 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 09:58:41,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 09:58:41,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 09:58:41,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 09:58:41,151 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 09:58:41,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 09:58:41,152 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93c2f95927688290d9634a76e5cb5c078ca9f28d9ebb5a85520405b4d17220b1 [2024-11-16 09:58:41,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 09:58:41,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 09:58:41,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 09:58:41,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 09:58:41,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 09:58:41,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c [2024-11-16 09:58:42,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 09:58:43,089 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 09:58:43,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c [2024-11-16 09:58:43,114 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76aab9329/6b04f386b5fc4320a38a1ce514f256d4/FLAGf6d99b8c0 [2024-11-16 09:58:43,438 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76aab9329/6b04f386b5fc4320a38a1ce514f256d4 [2024-11-16 09:58:43,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 09:58:43,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 09:58:43,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 09:58:43,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 09:58:43,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 09:58:43,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:58:43" (1/1) ... [2024-11-16 09:58:43,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b56df6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:43, skipping insertion in model container [2024-11-16 09:58:43,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:58:43" (1/1) ... [2024-11-16 09:58:43,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 09:58:43,692 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[911,924] [2024-11-16 09:58:43,772 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[8416,8429] [2024-11-16 09:58:43,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:58:43,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 09:58:43,956 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[911,924] [2024-11-16 09:58:43,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[8416,8429] [2024-11-16 09:58:44,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:58:44,088 INFO L204 MainTranslator]: Completed translation [2024-11-16 09:58:44,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44 WrapperNode [2024-11-16 09:58:44,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 09:58:44,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 09:58:44,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 09:58:44,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 09:58:44,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,162 INFO L138 Inliner]: procedures = 73, calls = 88, calls flagged for inlining = 42, calls inlined = 42, statements flattened = 910 [2024-11-16 09:58:44,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 09:58:44,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 09:58:44,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 09:58:44,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 09:58:44,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,180 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,207 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 09:58:44,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,220 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 09:58:44,233 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 09:58:44,233 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 09:58:44,233 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 09:58:44,234 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (1/1) ... [2024-11-16 09:58:44,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:58:44,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:58:44,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 09:58:44,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 09:58:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 09:58:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-16 09:58:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-16 09:58:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-16 09:58:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-16 09:58:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-16 09:58:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-16 09:58:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-16 09:58:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-16 09:58:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-11-16 09:58:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-11-16 09:58:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-16 09:58:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-16 09:58:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-16 09:58:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-16 09:58:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-11-16 09:58:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-11-16 09:58:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-16 09:58:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-16 09:58:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-11-16 09:58:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-11-16 09:58:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-16 09:58:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-16 09:58:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 09:58:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-16 09:58:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-16 09:58:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-11-16 09:58:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-11-16 09:58:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 09:58:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 09:58:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-16 09:58:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-16 09:58:44,455 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 09:58:44,457 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 09:58:45,241 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L225: do_read_c_~a~0#1 := ~a_t~0; [2024-11-16 09:58:45,243 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2024-11-16 09:58:45,243 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L226: assume !(1 == ~q_free~0); [2024-11-16 09:58:45,431 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-16 09:58:45,432 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 09:58:45,473 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 09:58:45,474 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 09:58:45,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:58:45 BoogieIcfgContainer [2024-11-16 09:58:45,474 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 09:58:45,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 09:58:45,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 09:58:45,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 09:58:45,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:58:43" (1/3) ... [2024-11-16 09:58:45,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c28c6e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:58:45, skipping insertion in model container [2024-11-16 09:58:45,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:44" (2/3) ... [2024-11-16 09:58:45,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c28c6e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:58:45, skipping insertion in model container [2024-11-16 09:58:45,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:58:45" (3/3) ... [2024-11-16 09:58:45,487 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil+token_ring.09.cil-1.c [2024-11-16 09:58:45,506 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 09:58:45,506 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-16 09:58:45,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 09:58:45,610 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;@2105fc7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 09:58:45,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-16 09:58:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 499 states, 443 states have (on average 1.5191873589164786) internal successors, (673), 449 states have internal predecessors, (673), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 09:58:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:58:45,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:58:45,637 INFO L215 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] [2024-11-16 09:58:45,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:58:45,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:58:45,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1697834506, now seen corresponding path program 1 times [2024-11-16 09:58:45,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:58:45,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733669220] [2024-11-16 09:58:45,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:58:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:58:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:46,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:58:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:46,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:58:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:46,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:58:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:46,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:58:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:46,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:58:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:46,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:58:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:46,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:58:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:46,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:58:46,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:58:46,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733669220] [2024-11-16 09:58:46,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733669220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:58:46,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:58:46,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:58:46,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249417046] [2024-11-16 09:58:46,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:58:46,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:58:46,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:58:46,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:58:46,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:58:46,307 INFO L87 Difference]: Start difference. First operand has 499 states, 443 states have (on average 1.5191873589164786) internal successors, (673), 449 states have internal predecessors, (673), 39 states have call successors, (39), 14 states have call predecessors, (39), 14 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-16 09:58:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:58:47,752 INFO L93 Difference]: Finished difference Result 1124 states and 1695 transitions. [2024-11-16 09:58:47,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:58:47,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 69 [2024-11-16 09:58:47,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:58:47,775 INFO L225 Difference]: With dead ends: 1124 [2024-11-16 09:58:47,775 INFO L226 Difference]: Without dead ends: 637 [2024-11-16 09:58:47,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:58:47,790 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 1121 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1128 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:58:47,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1128 Valid, 1866 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:58:47,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-16 09:58:47,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 597. [2024-11-16 09:58:47,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 521 states have (on average 1.4433781190019195) internal successors, (752), 527 states have internal predecessors, (752), 52 states have call successors, (52), 21 states have call predecessors, (52), 22 states have return successors, (55), 51 states have call predecessors, (55), 50 states have call successors, (55) [2024-11-16 09:58:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 859 transitions. [2024-11-16 09:58:47,898 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 859 transitions. Word has length 69 [2024-11-16 09:58:47,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:58:47,898 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 859 transitions. [2024-11-16 09:58:47,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-16 09:58:47,899 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 859 transitions. [2024-11-16 09:58:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:58:47,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:58:47,903 INFO L215 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] [2024-11-16 09:58:47,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 09:58:47,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:58:47,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:58:47,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1883693718, now seen corresponding path program 1 times [2024-11-16 09:58:47,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:58:47,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208428127] [2024-11-16 09:58:47,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:58:47,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:58:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:58:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:48,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:58:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:48,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:58:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:48,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:58:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:48,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:58:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:48,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:58:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:48,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:58:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:58:48,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:58:48,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208428127] [2024-11-16 09:58:48,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208428127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:58:48,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:58:48,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:58:48,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910093417] [2024-11-16 09:58:48,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:58:48,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:58:48,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:58:48,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:58:48,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:58:48,116 INFO L87 Difference]: Start difference. First operand 597 states and 859 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-16 09:58:49,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:58:49,498 INFO L93 Difference]: Finished difference Result 1032 states and 1463 transitions. [2024-11-16 09:58:49,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 09:58:49,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 69 [2024-11-16 09:58:49,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:58:49,511 INFO L225 Difference]: With dead ends: 1032 [2024-11-16 09:58:49,512 INFO L226 Difference]: Without dead ends: 798 [2024-11-16 09:58:49,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-16 09:58:49,516 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 1582 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1612 SdHoareTripleChecker+Valid, 2216 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:58:49,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1612 Valid, 2216 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:58:49,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-16 09:58:49,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 721. [2024-11-16 09:58:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 623 states have (on average 1.4285714285714286) internal successors, (890), 631 states have internal predecessors, (890), 65 states have call successors, (65), 28 states have call predecessors, (65), 31 states have return successors, (76), 65 states have call predecessors, (76), 63 states have call successors, (76) [2024-11-16 09:58:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1031 transitions. [2024-11-16 09:58:49,585 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1031 transitions. Word has length 69 [2024-11-16 09:58:49,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:58:49,586 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 1031 transitions. [2024-11-16 09:58:49,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-16 09:58:49,587 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1031 transitions. [2024-11-16 09:58:49,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:58:49,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:58:49,593 INFO L215 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] [2024-11-16 09:58:49,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 09:58:49,594 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:58:49,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:58:49,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1190301013, now seen corresponding path program 1 times [2024-11-16 09:58:49,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:58:49,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655909182] [2024-11-16 09:58:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:58:49,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:58:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:49,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:58:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:49,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:58:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:49,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:58:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:49,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:58:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:49,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:58:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:49,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:58:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:49,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:58:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:58:49,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:58:49,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655909182] [2024-11-16 09:58:49,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655909182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:58:49,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:58:49,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 09:58:49,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880340040] [2024-11-16 09:58:49,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:58:49,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 09:58:49,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:58:49,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 09:58:49,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-16 09:58:49,821 INFO L87 Difference]: Start difference. First operand 721 states and 1031 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-16 09:58:51,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:58:51,951 INFO L93 Difference]: Finished difference Result 2436 states and 3398 transitions. [2024-11-16 09:58:51,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-16 09:58:51,951 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) Word has length 69 [2024-11-16 09:58:51,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:58:51,962 INFO L225 Difference]: With dead ends: 2436 [2024-11-16 09:58:51,962 INFO L226 Difference]: Without dead ends: 2066 [2024-11-16 09:58:51,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2024-11-16 09:58:51,966 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 3994 mSDsluCounter, 2067 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4012 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 2466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 640 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:58:51,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4012 Valid, 2572 Invalid, 2466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [640 Valid, 1826 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 09:58:51,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2024-11-16 09:58:52,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 1893. [2024-11-16 09:58:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1893 states, 1590 states have (on average 1.3540880503144654) internal successors, (2153), 1613 states have internal predecessors, (2153), 175 states have call successors, (175), 111 states have call predecessors, (175), 126 states have return successors, (209), 171 states have call predecessors, (209), 173 states have call successors, (209) [2024-11-16 09:58:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 2537 transitions. [2024-11-16 09:58:52,133 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 2537 transitions. Word has length 69 [2024-11-16 09:58:52,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:58:52,134 INFO L471 AbstractCegarLoop]: Abstraction has 1893 states and 2537 transitions. [2024-11-16 09:58:52,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-16 09:58:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2537 transitions. [2024-11-16 09:58:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 09:58:52,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:58:52,136 INFO L215 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] [2024-11-16 09:58:52,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 09:58:52,137 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:58:52,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:58:52,137 INFO L85 PathProgramCache]: Analyzing trace with hash 979502246, now seen corresponding path program 1 times [2024-11-16 09:58:52,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:58:52,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509502045] [2024-11-16 09:58:52,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:58:52,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:58:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:52,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:58:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:52,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:58:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:52,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:58:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:52,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:58:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:52,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 09:58:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:52,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 09:58:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:52,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:58:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:58:52,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:58:52,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509502045] [2024-11-16 09:58:52,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509502045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:58:52,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:58:52,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 09:58:52,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075454914] [2024-11-16 09:58:52,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:58:52,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 09:58:52,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:58:52,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 09:58:52,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:58:52,320 INFO L87 Difference]: Start difference. First operand 1893 states and 2537 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:58:53,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:58:53,531 INFO L93 Difference]: Finished difference Result 3561 states and 4748 transitions. [2024-11-16 09:58:53,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:58:53,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2024-11-16 09:58:53,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:58:53,542 INFO L225 Difference]: With dead ends: 3561 [2024-11-16 09:58:53,543 INFO L226 Difference]: Without dead ends: 2025 [2024-11-16 09:58:53,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-16 09:58:53,550 INFO L432 NwaCegarLoop]: 420 mSDtfsCounter, 547 mSDsluCounter, 2539 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 2959 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 09:58:53,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 2959 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 09:58:53,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2024-11-16 09:58:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1933. [2024-11-16 09:58:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1933 states, 1622 states have (on average 1.343403205918619) internal successors, (2179), 1645 states have internal predecessors, (2179), 175 states have call successors, (175), 111 states have call predecessors, (175), 134 states have return successors, (217), 179 states have call predecessors, (217), 173 states have call successors, (217) [2024-11-16 09:58:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2571 transitions. [2024-11-16 09:58:53,670 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2571 transitions. Word has length 70 [2024-11-16 09:58:53,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:58:53,671 INFO L471 AbstractCegarLoop]: Abstraction has 1933 states and 2571 transitions. [2024-11-16 09:58:53,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:58:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2571 transitions. [2024-11-16 09:58:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 09:58:53,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:58:53,673 INFO L215 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] [2024-11-16 09:58:53,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 09:58:53,674 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:58:53,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:58:53,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1103575493, now seen corresponding path program 1 times [2024-11-16 09:58:53,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:58:53,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436858919] [2024-11-16 09:58:53,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:58:53,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:58:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:53,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:58:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:58:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:53,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:58:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:53,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:58:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:53,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 09:58:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:53,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 09:58:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:53,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:58:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:58:53,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:58:53,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436858919] [2024-11-16 09:58:53,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436858919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:58:53,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:58:53,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 09:58:53,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892188533] [2024-11-16 09:58:53,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:58:53,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 09:58:53,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:58:53,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 09:58:53,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-16 09:58:53,847 INFO L87 Difference]: Start difference. First operand 1933 states and 2571 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-16 09:58:55,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:58:55,926 INFO L93 Difference]: Finished difference Result 5917 states and 7857 transitions. [2024-11-16 09:58:55,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-16 09:58:55,927 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 70 [2024-11-16 09:58:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:58:55,940 INFO L225 Difference]: With dead ends: 5917 [2024-11-16 09:58:55,940 INFO L226 Difference]: Without dead ends: 2304 [2024-11-16 09:58:55,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2024-11-16 09:58:55,949 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 3726 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3744 SdHoareTripleChecker+Valid, 3070 SdHoareTripleChecker+Invalid, 2406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 592 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:58:55,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3744 Valid, 3070 Invalid, 2406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [592 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 09:58:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2024-11-16 09:58:56,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 2119. [2024-11-16 09:58:56,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 1736 states have (on average 1.3133640552995391) internal successors, (2280), 1761 states have internal predecessors, (2280), 215 states have call successors, (215), 139 states have call predecessors, (215), 166 states have return successors, (263), 221 states have call predecessors, (263), 213 states have call successors, (263) [2024-11-16 09:58:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2758 transitions. [2024-11-16 09:58:56,087 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2758 transitions. Word has length 70 [2024-11-16 09:58:56,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:58:56,089 INFO L471 AbstractCegarLoop]: Abstraction has 2119 states and 2758 transitions. [2024-11-16 09:58:56,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-16 09:58:56,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2758 transitions. [2024-11-16 09:58:56,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 09:58:56,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:58:56,091 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:58:56,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 09:58:56,092 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:58:56,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:58:56,092 INFO L85 PathProgramCache]: Analyzing trace with hash -183575198, now seen corresponding path program 1 times [2024-11-16 09:58:56,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:58:56,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639718035] [2024-11-16 09:58:56,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:58:56,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:58:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:56,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:58:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:56,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:58:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:56,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:58:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:56,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:58:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:56,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 09:58:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:56,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 09:58:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:56,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 09:58:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:56,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 09:58:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-16 09:58:56,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:58:56,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639718035] [2024-11-16 09:58:56,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639718035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:58:56,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:58:56,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 09:58:56,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978516829] [2024-11-16 09:58:56,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:58:56,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 09:58:56,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:58:56,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 09:58:56,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:58:56,312 INFO L87 Difference]: Start difference. First operand 2119 states and 2758 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:58:57,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:58:57,396 INFO L93 Difference]: Finished difference Result 4059 states and 5267 transitions. [2024-11-16 09:58:57,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 09:58:57,397 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2024-11-16 09:58:57,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:58:57,413 INFO L225 Difference]: With dead ends: 4059 [2024-11-16 09:58:57,413 INFO L226 Difference]: Without dead ends: 2297 [2024-11-16 09:58:57,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:58:57,421 INFO L432 NwaCegarLoop]: 409 mSDtfsCounter, 541 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 2886 SdHoareTripleChecker+Invalid, 1788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 09:58:57,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 2886 Invalid, 1788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 09:58:57,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2024-11-16 09:58:57,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2179. [2024-11-16 09:58:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2179 states, 1784 states have (on average 1.3015695067264574) internal successors, (2322), 1809 states have internal predecessors, (2322), 215 states have call successors, (215), 139 states have call predecessors, (215), 178 states have return successors, (275), 233 states have call predecessors, (275), 213 states have call successors, (275) [2024-11-16 09:58:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 2179 states and 2812 transitions. [2024-11-16 09:58:57,560 INFO L78 Accepts]: Start accepts. Automaton has 2179 states and 2812 transitions. Word has length 103 [2024-11-16 09:58:57,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:58:57,562 INFO L471 AbstractCegarLoop]: Abstraction has 2179 states and 2812 transitions. [2024-11-16 09:58:57,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:58:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 2812 transitions. [2024-11-16 09:58:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 09:58:57,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:58:57,564 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:58:57,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 09:58:57,564 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:58:57,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:58:57,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1120818531, now seen corresponding path program 1 times [2024-11-16 09:58:57,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:58:57,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428488319] [2024-11-16 09:58:57,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:58:57,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:58:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:57,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:58:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:57,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:58:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:57,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:58:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:57,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:58:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:57,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 09:58:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:57,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 09:58:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:57,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 09:58:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:57,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 09:58:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:57,788 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-16 09:58:57,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:58:57,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428488319] [2024-11-16 09:58:57,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428488319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:58:57,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:58:57,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:58:57,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819926513] [2024-11-16 09:58:57,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:58:57,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:58:57,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:58:57,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:58:57,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:58:57,791 INFO L87 Difference]: Start difference. First operand 2179 states and 2812 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-16 09:58:58,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:58:58,875 INFO L93 Difference]: Finished difference Result 3804 states and 4874 transitions. [2024-11-16 09:58:58,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 09:58:58,876 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 103 [2024-11-16 09:58:58,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:58:58,887 INFO L225 Difference]: With dead ends: 3804 [2024-11-16 09:58:58,887 INFO L226 Difference]: Without dead ends: 2237 [2024-11-16 09:58:58,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-16 09:58:58,892 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 1592 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 09:58:58,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 1879 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 09:58:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2024-11-16 09:58:58,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 1941. [2024-11-16 09:58:58,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1599 states have (on average 1.3051907442151345) internal successors, (2087), 1619 states have internal predecessors, (2087), 187 states have call successors, (187), 120 states have call predecessors, (187), 153 states have return successors, (235), 203 states have call predecessors, (235), 185 states have call successors, (235) [2024-11-16 09:58:59,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2509 transitions. [2024-11-16 09:58:59,006 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2509 transitions. Word has length 103 [2024-11-16 09:58:59,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:58:59,009 INFO L471 AbstractCegarLoop]: Abstraction has 1941 states and 2509 transitions. [2024-11-16 09:58:59,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-16 09:58:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2509 transitions. [2024-11-16 09:58:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 09:58:59,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:58:59,010 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:58:59,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 09:58:59,011 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:58:59,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:58:59,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1221730498, now seen corresponding path program 1 times [2024-11-16 09:58:59,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:58:59,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427183045] [2024-11-16 09:58:59,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:58:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:58:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:59,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:58:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:59,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:58:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:59,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:58:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:59,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:58:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:59,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 09:58:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:59,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 09:58:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:59,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 09:58:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:59,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 09:58:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:58:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 09:58:59,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:58:59,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427183045] [2024-11-16 09:58:59,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427183045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:58:59,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:58:59,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:58:59,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284437325] [2024-11-16 09:58:59,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:58:59,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:58:59,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:58:59,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:58:59,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:58:59,138 INFO L87 Difference]: Start difference. First operand 1941 states and 2509 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-16 09:59:00,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:00,043 INFO L93 Difference]: Finished difference Result 5320 states and 6848 transitions. [2024-11-16 09:59:00,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 09:59:00,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 103 [2024-11-16 09:59:00,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:00,062 INFO L225 Difference]: With dead ends: 5320 [2024-11-16 09:59:00,062 INFO L226 Difference]: Without dead ends: 3737 [2024-11-16 09:59:00,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-16 09:59:00,068 INFO L432 NwaCegarLoop]: 391 mSDtfsCounter, 1504 mSDsluCounter, 1099 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1535 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:00,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1535 Valid, 1490 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 09:59:00,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3737 states. [2024-11-16 09:59:00,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3737 to 3523. [2024-11-16 09:59:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3523 states, 2861 states have (on average 1.2680880810905277) internal successors, (3628), 2910 states have internal predecessors, (3628), 348 states have call successors, (348), 233 states have call predecessors, (348), 312 states have return successors, (518), 382 states have call predecessors, (518), 346 states have call successors, (518) [2024-11-16 09:59:00,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 4494 transitions. [2024-11-16 09:59:00,274 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 4494 transitions. Word has length 103 [2024-11-16 09:59:00,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:00,275 INFO L471 AbstractCegarLoop]: Abstraction has 3523 states and 4494 transitions. [2024-11-16 09:59:00,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-16 09:59:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 4494 transitions. [2024-11-16 09:59:00,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 09:59:00,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:00,278 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:59:00,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 09:59:00,278 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:00,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:00,278 INFO L85 PathProgramCache]: Analyzing trace with hash 779976003, now seen corresponding path program 1 times [2024-11-16 09:59:00,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:00,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165703855] [2024-11-16 09:59:00,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:00,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:00,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:00,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:59:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:00,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:59:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:00,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:59:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:00,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 09:59:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:00,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 09:59:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:00,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 09:59:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:00,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 09:59:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-16 09:59:00,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:00,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165703855] [2024-11-16 09:59:00,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165703855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:00,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:00,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:59:00,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748770497] [2024-11-16 09:59:00,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:00,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:59:00,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:00,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:59:00,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:59:00,373 INFO L87 Difference]: Start difference. First operand 3523 states and 4494 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-16 09:59:00,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:00,968 INFO L93 Difference]: Finished difference Result 5221 states and 6592 transitions. [2024-11-16 09:59:00,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 09:59:00,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 103 [2024-11-16 09:59:00,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:00,981 INFO L225 Difference]: With dead ends: 5221 [2024-11-16 09:59:00,982 INFO L226 Difference]: Without dead ends: 2056 [2024-11-16 09:59:00,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:59:00,990 INFO L432 NwaCegarLoop]: 404 mSDtfsCounter, 934 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 949 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:00,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [949 Valid, 1344 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 09:59:00,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2056 states. [2024-11-16 09:59:01,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2056 to 1941. [2024-11-16 09:59:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1941 states, 1599 states have (on average 1.2820512820512822) internal successors, (2050), 1619 states have internal predecessors, (2050), 187 states have call successors, (187), 120 states have call predecessors, (187), 153 states have return successors, (235), 203 states have call predecessors, (235), 185 states have call successors, (235) [2024-11-16 09:59:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2472 transitions. [2024-11-16 09:59:01,155 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2472 transitions. Word has length 103 [2024-11-16 09:59:01,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:01,155 INFO L471 AbstractCegarLoop]: Abstraction has 1941 states and 2472 transitions. [2024-11-16 09:59:01,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-16 09:59:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2472 transitions. [2024-11-16 09:59:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-16 09:59:01,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:01,157 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:59:01,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 09:59:01,157 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:01,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:01,158 INFO L85 PathProgramCache]: Analyzing trace with hash 30027767, now seen corresponding path program 1 times [2024-11-16 09:59:01,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:01,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101841397] [2024-11-16 09:59:01,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:01,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:01,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:01,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:59:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:01,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:59:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:01,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:59:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:01,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 09:59:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:01,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 09:59:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:01,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 09:59:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:01,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-16 09:59:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-16 09:59:01,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:01,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101841397] [2024-11-16 09:59:01,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101841397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:01,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:01,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 09:59:01,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3817772] [2024-11-16 09:59:01,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:01,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 09:59:01,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:01,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 09:59:01,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:59:01,288 INFO L87 Difference]: Start difference. First operand 1941 states and 2472 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-16 09:59:02,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:02,639 INFO L93 Difference]: Finished difference Result 4503 states and 5699 transitions. [2024-11-16 09:59:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-16 09:59:02,640 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 104 [2024-11-16 09:59:02,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:02,654 INFO L225 Difference]: With dead ends: 4503 [2024-11-16 09:59:02,654 INFO L226 Difference]: Without dead ends: 2760 [2024-11-16 09:59:02,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-11-16 09:59:02,660 INFO L432 NwaCegarLoop]: 424 mSDtfsCounter, 1954 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1994 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 354 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:02,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1994 Valid, 2306 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [354 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 09:59:02,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2760 states. [2024-11-16 09:59:02,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2760 to 2580. [2024-11-16 09:59:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 2084 states have (on average 1.2523992322456814) internal successors, (2610), 2112 states have internal predecessors, (2610), 264 states have call successors, (264), 168 states have call predecessors, (264), 230 states have return successors, (366), 301 states have call predecessors, (366), 262 states have call successors, (366) [2024-11-16 09:59:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 3240 transitions. [2024-11-16 09:59:02,860 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 3240 transitions. Word has length 104 [2024-11-16 09:59:02,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:02,861 INFO L471 AbstractCegarLoop]: Abstraction has 2580 states and 3240 transitions. [2024-11-16 09:59:02,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 6 states have internal predecessors, (86), 4 states have call successors, (9), 5 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-16 09:59:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3240 transitions. [2024-11-16 09:59:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:02,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:02,863 INFO L215 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] [2024-11-16 09:59:02,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 09:59:02,864 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:02,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:02,864 INFO L85 PathProgramCache]: Analyzing trace with hash -724560602, now seen corresponding path program 1 times [2024-11-16 09:59:02,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:02,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475565011] [2024-11-16 09:59:02,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:02,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:02,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:02,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:02,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:03,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:03,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:03,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:03,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475565011] [2024-11-16 09:59:03,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475565011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:03,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:03,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 09:59:03,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084489050] [2024-11-16 09:59:03,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:03,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 09:59:03,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:03,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 09:59:03,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 09:59:03,013 INFO L87 Difference]: Start difference. First operand 2580 states and 3240 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:04,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:04,648 INFO L93 Difference]: Finished difference Result 3026 states and 3928 transitions. [2024-11-16 09:59:04,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:59:04,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:04,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:04,661 INFO L225 Difference]: With dead ends: 3026 [2024-11-16 09:59:04,661 INFO L226 Difference]: Without dead ends: 2689 [2024-11-16 09:59:04,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:59:04,663 INFO L432 NwaCegarLoop]: 418 mSDtfsCounter, 966 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:04,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 1042 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:59:04,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2024-11-16 09:59:05,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2580. [2024-11-16 09:59:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2580 states, 2084 states have (on average 1.2519193857965452) internal successors, (2609), 2112 states have internal predecessors, (2609), 264 states have call successors, (264), 168 states have call predecessors, (264), 230 states have return successors, (366), 301 states have call predecessors, (366), 262 states have call successors, (366) [2024-11-16 09:59:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2580 states and 3239 transitions. [2024-11-16 09:59:05,098 INFO L78 Accepts]: Start accepts. Automaton has 2580 states and 3239 transitions. Word has length 150 [2024-11-16 09:59:05,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:05,098 INFO L471 AbstractCegarLoop]: Abstraction has 2580 states and 3239 transitions. [2024-11-16 09:59:05,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3239 transitions. [2024-11-16 09:59:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:05,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:05,101 INFO L215 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] [2024-11-16 09:59:05,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 09:59:05,101 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:05,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:05,102 INFO L85 PathProgramCache]: Analyzing trace with hash -759384539, now seen corresponding path program 1 times [2024-11-16 09:59:05,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:05,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069463945] [2024-11-16 09:59:05,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:05,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:05,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:05,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:05,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:05,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:05,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:05,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069463945] [2024-11-16 09:59:05,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069463945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:05,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:05,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:59:05,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402258072] [2024-11-16 09:59:05,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:05,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:59:05,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:05,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:59:05,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:59:05,309 INFO L87 Difference]: Start difference. First operand 2580 states and 3239 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:07,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:07,649 INFO L93 Difference]: Finished difference Result 3472 states and 4618 transitions. [2024-11-16 09:59:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:59:07,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:07,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:07,665 INFO L225 Difference]: With dead ends: 3472 [2024-11-16 09:59:07,666 INFO L226 Difference]: Without dead ends: 3141 [2024-11-16 09:59:07,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:59:07,668 INFO L432 NwaCegarLoop]: 421 mSDtfsCounter, 1512 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:07,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 1646 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-16 09:59:07,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3141 states. [2024-11-16 09:59:08,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3141 to 2923. [2024-11-16 09:59:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2402 states have (on average 1.2851790174854287) internal successors, (3087), 2431 states have internal predecessors, (3087), 282 states have call successors, (282), 174 states have call predecessors, (282), 237 states have return successors, (387), 319 states have call predecessors, (387), 280 states have call successors, (387) [2024-11-16 09:59:08,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 3756 transitions. [2024-11-16 09:59:08,129 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 3756 transitions. Word has length 150 [2024-11-16 09:59:08,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:08,130 INFO L471 AbstractCegarLoop]: Abstraction has 2923 states and 3756 transitions. [2024-11-16 09:59:08,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3756 transitions. [2024-11-16 09:59:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:08,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:08,133 INFO L215 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] [2024-11-16 09:59:08,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 09:59:08,134 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:08,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:08,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1725679172, now seen corresponding path program 1 times [2024-11-16 09:59:08,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:08,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227099894] [2024-11-16 09:59:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:08,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:08,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:08,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:08,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:08,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:08,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:08,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227099894] [2024-11-16 09:59:08,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227099894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:08,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:08,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:08,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498138973] [2024-11-16 09:59:08,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:08,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:08,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:08,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:08,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:08,440 INFO L87 Difference]: Start difference. First operand 2923 states and 3756 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:11,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:11,504 INFO L93 Difference]: Finished difference Result 4280 states and 5855 transitions. [2024-11-16 09:59:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:59:11,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:11,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:11,520 INFO L225 Difference]: With dead ends: 4280 [2024-11-16 09:59:11,520 INFO L226 Difference]: Without dead ends: 3606 [2024-11-16 09:59:11,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:59:11,528 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 1533 mSDsluCounter, 2178 mSDsCounter, 0 mSdLazyCounter, 3069 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1561 SdHoareTripleChecker+Valid, 2796 SdHoareTripleChecker+Invalid, 3164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 3069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:11,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1561 Valid, 2796 Invalid, 3164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 3069 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-16 09:59:11,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3606 states. [2024-11-16 09:59:11,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3606 to 3245. [2024-11-16 09:59:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3245 states, 2699 states have (on average 1.3052982586143016) internal successors, (3523), 2729 states have internal predecessors, (3523), 300 states have call successors, (300), 180 states have call predecessors, (300), 244 states have return successors, (407), 338 states have call predecessors, (407), 298 states have call successors, (407) [2024-11-16 09:59:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 3245 states and 4230 transitions. [2024-11-16 09:59:11,937 INFO L78 Accepts]: Start accepts. Automaton has 3245 states and 4230 transitions. Word has length 150 [2024-11-16 09:59:11,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:11,937 INFO L471 AbstractCegarLoop]: Abstraction has 3245 states and 4230 transitions. [2024-11-16 09:59:11,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:11,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 4230 transitions. [2024-11-16 09:59:11,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:11,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:11,941 INFO L215 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] [2024-11-16 09:59:11,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 09:59:11,941 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:11,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:11,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1251653189, now seen corresponding path program 1 times [2024-11-16 09:59:11,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:11,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112236959] [2024-11-16 09:59:11,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:11,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:12,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:12,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:12,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:12,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:12,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:12,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:12,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112236959] [2024-11-16 09:59:12,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112236959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:12,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:12,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:12,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349340885] [2024-11-16 09:59:12,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:12,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:12,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:12,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:12,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:12,171 INFO L87 Difference]: Start difference. First operand 3245 states and 4230 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:15,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:15,200 INFO L93 Difference]: Finished difference Result 5473 states and 7667 transitions. [2024-11-16 09:59:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:59:15,200 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:15,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:15,218 INFO L225 Difference]: With dead ends: 5473 [2024-11-16 09:59:15,218 INFO L226 Difference]: Without dead ends: 4477 [2024-11-16 09:59:15,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:59:15,225 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 1531 mSDsluCounter, 2178 mSDsCounter, 0 mSdLazyCounter, 3065 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 3162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:15,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 2794 Invalid, 3162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3065 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-16 09:59:15,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4477 states. [2024-11-16 09:59:15,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4477 to 3890. [2024-11-16 09:59:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 3294 states have (on average 1.334547662416515) internal successors, (4396), 3326 states have internal predecessors, (4396), 336 states have call successors, (336), 192 states have call predecessors, (336), 258 states have return successors, (451), 376 states have call predecessors, (451), 334 states have call successors, (451) [2024-11-16 09:59:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 5183 transitions. [2024-11-16 09:59:15,658 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 5183 transitions. Word has length 150 [2024-11-16 09:59:15,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:15,658 INFO L471 AbstractCegarLoop]: Abstraction has 3890 states and 5183 transitions. [2024-11-16 09:59:15,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 5183 transitions. [2024-11-16 09:59:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:15,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:15,662 INFO L215 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] [2024-11-16 09:59:15,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 09:59:15,662 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:15,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:15,662 INFO L85 PathProgramCache]: Analyzing trace with hash 959267364, now seen corresponding path program 1 times [2024-11-16 09:59:15,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:15,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944594417] [2024-11-16 09:59:15,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:15,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:15,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:15,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:15,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:15,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:15,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:15,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:15,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944594417] [2024-11-16 09:59:15,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944594417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:15,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:15,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:15,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41300401] [2024-11-16 09:59:15,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:15,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:15,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:15,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:15,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:15,889 INFO L87 Difference]: Start difference. First operand 3890 states and 5183 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:19,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:19,048 INFO L93 Difference]: Finished difference Result 7778 states and 11144 transitions. [2024-11-16 09:59:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:59:19,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:19,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:19,071 INFO L225 Difference]: With dead ends: 7778 [2024-11-16 09:59:19,072 INFO L226 Difference]: Without dead ends: 6137 [2024-11-16 09:59:19,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:59:19,080 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 1527 mSDsluCounter, 2178 mSDsCounter, 0 mSdLazyCounter, 3056 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1555 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 3153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:19,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1555 Valid, 2794 Invalid, 3153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3056 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-16 09:59:19,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6137 states. [2024-11-16 09:59:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6137 to 5181. [2024-11-16 09:59:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5181 states, 4485 states have (on average 1.369453734671126) internal successors, (6142), 4521 states have internal predecessors, (6142), 408 states have call successors, (408), 216 states have call predecessors, (408), 286 states have return successors, (545), 452 states have call predecessors, (545), 406 states have call successors, (545) [2024-11-16 09:59:19,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 5181 states and 7095 transitions. [2024-11-16 09:59:19,589 INFO L78 Accepts]: Start accepts. Automaton has 5181 states and 7095 transitions. Word has length 150 [2024-11-16 09:59:19,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:19,589 INFO L471 AbstractCegarLoop]: Abstraction has 5181 states and 7095 transitions. [2024-11-16 09:59:19,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:19,590 INFO L276 IsEmpty]: Start isEmpty. Operand 5181 states and 7095 transitions. [2024-11-16 09:59:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:19,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:19,594 INFO L215 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] [2024-11-16 09:59:19,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 09:59:19,594 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:19,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:19,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1405469083, now seen corresponding path program 1 times [2024-11-16 09:59:19,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:19,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342273810] [2024-11-16 09:59:19,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:19,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:19,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:19,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:19,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:19,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:19,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:19,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:19,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342273810] [2024-11-16 09:59:19,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342273810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:19,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:19,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:19,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570852030] [2024-11-16 09:59:19,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:19,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:19,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:19,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:19,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:19,855 INFO L87 Difference]: Start difference. First operand 5181 states and 7095 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:22,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:22,827 INFO L93 Difference]: Finished difference Result 12387 states and 18114 transitions. [2024-11-16 09:59:22,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:59:22,827 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:22,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:22,858 INFO L225 Difference]: With dead ends: 12387 [2024-11-16 09:59:22,858 INFO L226 Difference]: Without dead ends: 9455 [2024-11-16 09:59:22,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:59:22,872 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 1523 mSDsluCounter, 2178 mSDsCounter, 0 mSdLazyCounter, 3047 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1551 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 3144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 3047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:22,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1551 Valid, 2794 Invalid, 3144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 3047 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 09:59:22,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9455 states. [2024-11-16 09:59:23,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9455 to 7768. [2024-11-16 09:59:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 6872 states have (on average 1.4027939464493597) internal successors, (9640), 6916 states have internal predecessors, (9640), 552 states have call successors, (552), 264 states have call predecessors, (552), 342 states have return successors, (751), 604 states have call predecessors, (751), 550 states have call successors, (751) [2024-11-16 09:59:23,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 10943 transitions. [2024-11-16 09:59:23,496 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 10943 transitions. Word has length 150 [2024-11-16 09:59:23,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:23,497 INFO L471 AbstractCegarLoop]: Abstraction has 7768 states and 10943 transitions. [2024-11-16 09:59:23,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:23,497 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 10943 transitions. [2024-11-16 09:59:23,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:23,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:23,503 INFO L215 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] [2024-11-16 09:59:23,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 09:59:23,503 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:23,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:23,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1620298236, now seen corresponding path program 1 times [2024-11-16 09:59:23,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:23,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133212450] [2024-11-16 09:59:23,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:23,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:23,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:23,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:23,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:23,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:23,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:23,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:23,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133212450] [2024-11-16 09:59:23,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133212450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:23,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:23,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:23,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491967759] [2024-11-16 09:59:23,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:23,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:23,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:23,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:23,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:23,775 INFO L87 Difference]: Start difference. First operand 7768 states and 10943 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:25,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:25,770 INFO L93 Difference]: Finished difference Result 15051 states and 22184 transitions. [2024-11-16 09:59:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:59:25,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:25,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:25,803 INFO L225 Difference]: With dead ends: 15051 [2024-11-16 09:59:25,804 INFO L226 Difference]: Without dead ends: 9532 [2024-11-16 09:59:25,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:59:25,822 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 1373 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1402 SdHoareTripleChecker+Valid, 1296 SdHoareTripleChecker+Invalid, 1609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:25,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1402 Valid, 1296 Invalid, 1609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 09:59:25,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9532 states. [2024-11-16 09:59:26,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9532 to 7768. [2024-11-16 09:59:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 6872 states have (on average 1.4003201396973224) internal successors, (9623), 6916 states have internal predecessors, (9623), 552 states have call successors, (552), 264 states have call predecessors, (552), 342 states have return successors, (751), 604 states have call predecessors, (751), 550 states have call successors, (751) [2024-11-16 09:59:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 10926 transitions. [2024-11-16 09:59:26,574 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 10926 transitions. Word has length 150 [2024-11-16 09:59:26,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:26,575 INFO L471 AbstractCegarLoop]: Abstraction has 7768 states and 10926 transitions. [2024-11-16 09:59:26,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:26,575 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 10926 transitions. [2024-11-16 09:59:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:26,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:26,581 INFO L215 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] [2024-11-16 09:59:26,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 09:59:26,581 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:26,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:26,581 INFO L85 PathProgramCache]: Analyzing trace with hash 173887109, now seen corresponding path program 1 times [2024-11-16 09:59:26,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:26,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331108118] [2024-11-16 09:59:26,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:26,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:26,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:26,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:26,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:26,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:26,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:26,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331108118] [2024-11-16 09:59:26,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331108118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:26,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:26,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:26,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398935668] [2024-11-16 09:59:26,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:26,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:26,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:26,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:26,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:26,784 INFO L87 Difference]: Start difference. First operand 7768 states and 10926 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:28,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:28,706 INFO L93 Difference]: Finished difference Result 15033 states and 22098 transitions. [2024-11-16 09:59:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:59:28,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:28,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:28,740 INFO L225 Difference]: With dead ends: 15033 [2024-11-16 09:59:28,741 INFO L226 Difference]: Without dead ends: 9514 [2024-11-16 09:59:28,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:59:28,759 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 1185 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1597 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:28,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 1566 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1597 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 09:59:28,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9514 states. [2024-11-16 09:59:29,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9514 to 7768. [2024-11-16 09:59:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 6872 states have (on average 1.3978463329452853) internal successors, (9606), 6916 states have internal predecessors, (9606), 552 states have call successors, (552), 264 states have call predecessors, (552), 342 states have return successors, (751), 604 states have call predecessors, (751), 550 states have call successors, (751) [2024-11-16 09:59:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 10909 transitions. [2024-11-16 09:59:29,775 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 10909 transitions. Word has length 150 [2024-11-16 09:59:29,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:29,776 INFO L471 AbstractCegarLoop]: Abstraction has 7768 states and 10909 transitions. [2024-11-16 09:59:29,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 10909 transitions. [2024-11-16 09:59:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:29,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:29,781 INFO L215 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] [2024-11-16 09:59:29,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 09:59:29,782 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:29,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:29,782 INFO L85 PathProgramCache]: Analyzing trace with hash 647406052, now seen corresponding path program 1 times [2024-11-16 09:59:29,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:29,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953597723] [2024-11-16 09:59:29,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:29,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:29,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:29,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:29,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:29,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:29,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:29,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953597723] [2024-11-16 09:59:29,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953597723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:29,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:29,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:29,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749511355] [2024-11-16 09:59:29,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:29,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:29,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:29,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:29,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:29,969 INFO L87 Difference]: Start difference. First operand 7768 states and 10909 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:32,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:32,169 INFO L93 Difference]: Finished difference Result 15014 states and 22010 transitions. [2024-11-16 09:59:32,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:59:32,170 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:32,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:32,193 INFO L225 Difference]: With dead ends: 15014 [2024-11-16 09:59:32,193 INFO L226 Difference]: Without dead ends: 9495 [2024-11-16 09:59:32,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:59:32,207 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 1183 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1581 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:32,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 1566 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1581 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:59:32,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9495 states. [2024-11-16 09:59:32,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9495 to 7768. [2024-11-16 09:59:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7768 states, 6872 states have (on average 1.395372526193248) internal successors, (9589), 6916 states have internal predecessors, (9589), 552 states have call successors, (552), 264 states have call predecessors, (552), 342 states have return successors, (751), 604 states have call predecessors, (751), 550 states have call successors, (751) [2024-11-16 09:59:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7768 states to 7768 states and 10892 transitions. [2024-11-16 09:59:32,971 INFO L78 Accepts]: Start accepts. Automaton has 7768 states and 10892 transitions. Word has length 150 [2024-11-16 09:59:32,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:32,971 INFO L471 AbstractCegarLoop]: Abstraction has 7768 states and 10892 transitions. [2024-11-16 09:59:32,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 7768 states and 10892 transitions. [2024-11-16 09:59:32,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:32,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:32,978 INFO L215 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] [2024-11-16 09:59:32,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 09:59:32,979 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:32,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:32,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1078322853, now seen corresponding path program 1 times [2024-11-16 09:59:32,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:32,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828709085] [2024-11-16 09:59:32,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:32,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:33,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:33,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:33,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:33,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:33,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:33,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:33,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828709085] [2024-11-16 09:59:33,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828709085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:33,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:33,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:33,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803897477] [2024-11-16 09:59:33,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:33,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:33,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:33,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:33,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:33,177 INFO L87 Difference]: Start difference. First operand 7768 states and 10892 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:36,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:36,401 INFO L93 Difference]: Finished difference Result 21545 states and 31748 transitions. [2024-11-16 09:59:36,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:59:36,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:36,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:36,442 INFO L225 Difference]: With dead ends: 21545 [2024-11-16 09:59:36,442 INFO L226 Difference]: Without dead ends: 16026 [2024-11-16 09:59:36,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:59:36,457 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 1587 mSDsluCounter, 1494 mSDsCounter, 0 mSdLazyCounter, 2569 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 2696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:36,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1615 Valid, 1886 Invalid, 2696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 2569 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-16 09:59:36,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16026 states. [2024-11-16 09:59:37,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16026 to 13003. [2024-11-16 09:59:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13003 states, 11707 states have (on average 1.418467583497053) internal successors, (16606), 11767 states have internal predecessors, (16606), 840 states have call successors, (840), 360 states have call predecessors, (840), 454 states have return successors, (1217), 908 states have call predecessors, (1217), 838 states have call successors, (1217) [2024-11-16 09:59:37,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13003 states to 13003 states and 18663 transitions. [2024-11-16 09:59:37,624 INFO L78 Accepts]: Start accepts. Automaton has 13003 states and 18663 transitions. Word has length 150 [2024-11-16 09:59:37,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:37,624 INFO L471 AbstractCegarLoop]: Abstraction has 13003 states and 18663 transitions. [2024-11-16 09:59:37,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 13003 states and 18663 transitions. [2024-11-16 09:59:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:37,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:37,633 INFO L215 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] [2024-11-16 09:59:37,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 09:59:37,634 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:37,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:37,634 INFO L85 PathProgramCache]: Analyzing trace with hash -2094365244, now seen corresponding path program 1 times [2024-11-16 09:59:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:37,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244843820] [2024-11-16 09:59:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:37,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:37,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:37,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:37,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:37,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:37,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:37,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:37,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:37,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244843820] [2024-11-16 09:59:37,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244843820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:37,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:37,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:37,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732323874] [2024-11-16 09:59:37,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:37,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:37,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:37,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:37,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:37,820 INFO L87 Difference]: Start difference. First operand 13003 states and 18663 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:39,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:39,925 INFO L93 Difference]: Finished difference Result 26918 states and 40004 transitions. [2024-11-16 09:59:39,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:59:39,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:39,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:40,030 INFO L225 Difference]: With dead ends: 26918 [2024-11-16 09:59:40,030 INFO L226 Difference]: Without dead ends: 16164 [2024-11-16 09:59:40,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:59:40,042 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 1182 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 1555 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:40,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 1566 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1555 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:59:40,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16164 states. [2024-11-16 09:59:40,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16164 to 13003. [2024-11-16 09:59:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13003 states, 11707 states have (on average 1.4156487571538396) internal successors, (16573), 11767 states have internal predecessors, (16573), 840 states have call successors, (840), 360 states have call predecessors, (840), 454 states have return successors, (1217), 908 states have call predecessors, (1217), 838 states have call successors, (1217) [2024-11-16 09:59:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13003 states to 13003 states and 18630 transitions. [2024-11-16 09:59:40,853 INFO L78 Accepts]: Start accepts. Automaton has 13003 states and 18630 transitions. Word has length 150 [2024-11-16 09:59:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:40,853 INFO L471 AbstractCegarLoop]: Abstraction has 13003 states and 18630 transitions. [2024-11-16 09:59:40,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 13003 states and 18630 transitions. [2024-11-16 09:59:40,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:40,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:40,861 INFO L215 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] [2024-11-16 09:59:40,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 09:59:40,862 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:40,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:40,862 INFO L85 PathProgramCache]: Analyzing trace with hash 297141957, now seen corresponding path program 1 times [2024-11-16 09:59:40,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:40,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306555848] [2024-11-16 09:59:40,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:40,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:40,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:41,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:41,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:41,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:41,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:41,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:41,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306555848] [2024-11-16 09:59:41,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306555848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:41,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:41,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:41,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176819858] [2024-11-16 09:59:41,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:41,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:41,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:41,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:41,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:41,123 INFO L87 Difference]: Start difference. First operand 13003 states and 18630 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:45,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:45,524 INFO L93 Difference]: Finished difference Result 44258 states and 66007 transitions. [2024-11-16 09:59:45,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:59:45,524 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:45,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:45,602 INFO L225 Difference]: With dead ends: 44258 [2024-11-16 09:59:45,602 INFO L226 Difference]: Without dead ends: 33504 [2024-11-16 09:59:45,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:59:45,633 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 1852 mSDsluCounter, 2170 mSDsCounter, 0 mSdLazyCounter, 2926 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 2784 SdHoareTripleChecker+Invalid, 3026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:45,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1890 Valid, 2784 Invalid, 3026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2926 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-16 09:59:45,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33504 states. [2024-11-16 09:59:47,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33504 to 23433. [2024-11-16 09:59:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23433 states, 21369 states have (on average 1.4308577846413029) internal successors, (30576), 21461 states have internal predecessors, (30576), 1384 states have call successors, (1384), 552 states have call predecessors, (1384), 678 states have return successors, (2279), 1484 states have call predecessors, (2279), 1382 states have call successors, (2279) [2024-11-16 09:59:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23433 states to 23433 states and 34239 transitions. [2024-11-16 09:59:47,394 INFO L78 Accepts]: Start accepts. Automaton has 23433 states and 34239 transitions. Word has length 150 [2024-11-16 09:59:47,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:47,394 INFO L471 AbstractCegarLoop]: Abstraction has 23433 states and 34239 transitions. [2024-11-16 09:59:47,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:47,394 INFO L276 IsEmpty]: Start isEmpty. Operand 23433 states and 34239 transitions. [2024-11-16 09:59:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-16 09:59:47,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:59:47,409 INFO L215 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] [2024-11-16 09:59:47,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 09:59:47,410 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:59:47,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:59:47,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1898308004, now seen corresponding path program 1 times [2024-11-16 09:59:47,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:59:47,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178400411] [2024-11-16 09:59:47,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:59:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:59:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:47,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:59:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 09:59:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:47,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 09:59:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:47,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 09:59:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:47,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 09:59:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:59:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:59:47,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:59:47,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178400411] [2024-11-16 09:59:47,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178400411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:59:47,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:59:47,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:59:47,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166679494] [2024-11-16 09:59:47,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:59:47,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:59:47,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:59:47,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:59:47,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:59:47,600 INFO L87 Difference]: Start difference. First operand 23433 states and 34239 transitions. Second operand has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:53,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:59:53,544 INFO L93 Difference]: Finished difference Result 84308 states and 127128 transitions. [2024-11-16 09:59:53,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:59:53,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 150 [2024-11-16 09:59:53,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:59:53,705 INFO L225 Difference]: With dead ends: 84308 [2024-11-16 09:59:53,705 INFO L226 Difference]: Without dead ends: 63124 [2024-11-16 09:59:53,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:59:53,752 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 1807 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 2916 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 2775 SdHoareTripleChecker+Invalid, 3016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 2916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 09:59:53,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 2775 Invalid, 3016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 2916 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 09:59:53,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63124 states. [2024-11-16 09:59:56,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63124 to 43681. [2024-11-16 09:59:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43681 states, 40113 states have (on average 1.4418766983272255) internal successors, (57838), 40269 states have internal predecessors, (57838), 2440 states have call successors, (2440), 936 states have call predecessors, (2440), 1126 states have return successors, (4857), 2604 states have call predecessors, (4857), 2438 states have call successors, (4857) [2024-11-16 09:59:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43681 states to 43681 states and 65135 transitions. [2024-11-16 09:59:57,100 INFO L78 Accepts]: Start accepts. Automaton has 43681 states and 65135 transitions. Word has length 150 [2024-11-16 09:59:57,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:59:57,100 INFO L471 AbstractCegarLoop]: Abstraction has 43681 states and 65135 transitions. [2024-11-16 09:59:57,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.0) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-16 09:59:57,101 INFO L276 IsEmpty]: Start isEmpty. Operand 43681 states and 65135 transitions.