./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.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_2.cil-1+token_ring.03.cil-2.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 4c3aab1156afcb98b97b027e9b66004d54025f3b89e95d6d35dc2e84fdb640d2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 09:54:33,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 09:54:33,193 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 09:54:33,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 09:54:33,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 09:54:33,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 09:54:33,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 09:54:33,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 09:54:33,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 09:54:33,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 09:54:33,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 09:54:33,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 09:54:33,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 09:54:33,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 09:54:33,225 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 09:54:33,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 09:54:33,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 09:54:33,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 09:54:33,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 09:54:33,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 09:54:33,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 09:54:33,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 09:54:33,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 09:54:33,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 09:54:33,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 09:54:33,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 09:54:33,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 09:54:33,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 09:54:33,231 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 09:54:33,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 09:54:33,231 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 09:54:33,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 09:54:33,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:54:33,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 09:54:33,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 09:54:33,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 09:54:33,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 09:54:33,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 09:54:33,232 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 09:54:33,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 09:54:33,232 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 09:54:33,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 09:54:33,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c3aab1156afcb98b97b027e9b66004d54025f3b89e95d6d35dc2e84fdb640d2 [2024-11-16 09:54:33,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 09:54:33,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 09:54:33,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 09:54:33,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 09:54:33,424 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 09:54:33,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.c [2024-11-16 09:54:34,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 09:54:34,806 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 09:54:34,807 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.03.cil-2.c [2024-11-16 09:54:34,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc58d2530/b93b9c427a944cafb231b66437b99e0d/FLAG30d5e4f30 [2024-11-16 09:54:34,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc58d2530/b93b9c427a944cafb231b66437b99e0d [2024-11-16 09:54:34,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 09:54:34,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 09:54:34,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 09:54:34,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 09:54:34,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 09:54:34,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:54:34" (1/1) ... [2024-11-16 09:54:34,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd11df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:34, skipping insertion in model container [2024-11-16 09:54:34,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:54:34" (1/1) ... [2024-11-16 09:54:34,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 09:54:35,017 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_2.cil-1+token_ring.03.cil-2.c[914,927] [2024-11-16 09:54:35,069 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_2.cil-1+token_ring.03.cil-2.c[7115,7128] [2024-11-16 09:54:35,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:54:35,147 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 09:54:35,164 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_2.cil-1+token_ring.03.cil-2.c[914,927] [2024-11-16 09:54:35,199 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_2.cil-1+token_ring.03.cil-2.c[7115,7128] [2024-11-16 09:54:35,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:54:35,249 INFO L204 MainTranslator]: Completed translation [2024-11-16 09:54:35,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35 WrapperNode [2024-11-16 09:54:35,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 09:54:35,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 09:54:35,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 09:54:35,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 09:54:35,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,308 INFO L138 Inliner]: procedures = 59, calls = 66, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 518 [2024-11-16 09:54:35,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 09:54:35,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 09:54:35,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 09:54:35,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 09:54:35,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,321 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,343 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 09:54:35,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,353 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 09:54:35,368 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 09:54:35,368 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 09:54:35,368 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 09:54:35,368 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (1/1) ... [2024-11-16 09:54:35,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:54:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:54:35,394 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 09:54:35,396 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 09:54:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 09:54:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-16 09:54:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-16 09:54:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-16 09:54:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-16 09:54:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-16 09:54:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-16 09:54:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-16 09:54:35,438 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-16 09:54:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-11-16 09:54:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-11-16 09:54:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-16 09:54:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-16 09:54:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-16 09:54:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-16 09:54:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-11-16 09:54:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-11-16 09:54:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-16 09:54:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-16 09:54:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-11-16 09:54:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-11-16 09:54:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-16 09:54:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-16 09:54:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 09:54:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-16 09:54:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-16 09:54:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-11-16 09:54:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-11-16 09:54:35,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 09:54:35,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 09:54:35,442 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-16 09:54:35,442 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-16 09:54:35,538 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 09:54:35,541 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 09:54:36,028 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-16 09:54:36,028 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 09:54:36,048 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 09:54:36,048 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 09:54:36,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:54:36 BoogieIcfgContainer [2024-11-16 09:54:36,048 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 09:54:36,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 09:54:36,053 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 09:54:36,056 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 09:54:36,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:54:34" (1/3) ... [2024-11-16 09:54:36,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a17058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:54:36, skipping insertion in model container [2024-11-16 09:54:36,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35" (2/3) ... [2024-11-16 09:54:36,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a17058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:54:36, skipping insertion in model container [2024-11-16 09:54:36,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:54:36" (3/3) ... [2024-11-16 09:54:36,059 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1+token_ring.03.cil-2.c [2024-11-16 09:54:36,070 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 09:54:36,071 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-16 09:54:36,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 09:54:36,134 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;@38f95de9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 09:54:36,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-16 09:54:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 304 states, 256 states have (on average 1.46875) internal successors, (376), 262 states have internal predecessors, (376), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 09:54:36,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:54:36,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:36,151 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 09:54:36,151 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:36,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:36,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1379807944, now seen corresponding path program 1 times [2024-11-16 09:54:36,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:36,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075213053] [2024-11-16 09:54:36,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:36,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:36,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:36,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:36,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:36,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:36,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:36,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:36,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:36,494 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 09:54:36,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:36,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075213053] [2024-11-16 09:54:36,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075213053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:36,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:36,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:54:36,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557179498] [2024-11-16 09:54:36,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:36,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:54:36,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:36,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:54:36,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:54:36,524 INFO L87 Difference]: Start difference. First operand has 304 states, 256 states have (on average 1.46875) internal successors, (376), 262 states have internal predecessors, (376), 31 states have call successors, (31), 14 states have call predecessors, (31), 14 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 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 09:54:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:37,088 INFO L93 Difference]: Finished difference Result 599 states and 865 transitions. [2024-11-16 09:54:37,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 09:54:37,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 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 69 [2024-11-16 09:54:37,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:37,102 INFO L225 Difference]: With dead ends: 599 [2024-11-16 09:54:37,102 INFO L226 Difference]: Without dead ends: 302 [2024-11-16 09:54:37,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 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 09:54:37,112 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 539 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:37,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 801 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 09:54:37,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-16 09:54:37,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 284. [2024-11-16 09:54:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 238 states have (on average 1.3991596638655461) internal successors, (333), 242 states have internal predecessors, (333), 31 states have call successors, (31), 14 states have call predecessors, (31), 13 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-16 09:54:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 393 transitions. [2024-11-16 09:54:37,181 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 393 transitions. Word has length 69 [2024-11-16 09:54:37,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:37,182 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 393 transitions. [2024-11-16 09:54:37,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 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 09:54:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 393 transitions. [2024-11-16 09:54:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:54:37,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:37,186 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 09:54:37,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 09:54:37,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:37,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:37,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1660157833, now seen corresponding path program 1 times [2024-11-16 09:54:37,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:37,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942273239] [2024-11-16 09:54:37,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:37,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:37,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:37,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:37,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:37,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:37,402 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 09:54:37,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:37,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942273239] [2024-11-16 09:54:37,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942273239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:37,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:37,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:54:37,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977835414] [2024-11-16 09:54:37,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:37,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:54:37,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:37,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:54:37,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:54:37,408 INFO L87 Difference]: Start difference. First operand 284 states and 393 transitions. 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 09:54:38,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:38,135 INFO L93 Difference]: Finished difference Result 535 states and 735 transitions. [2024-11-16 09:54:38,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:54:38,135 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 09:54:38,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:38,138 INFO L225 Difference]: With dead ends: 535 [2024-11-16 09:54:38,138 INFO L226 Difference]: Without dead ends: 433 [2024-11-16 09:54:38,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:54:38,140 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 521 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1418 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:38,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1418 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 09:54:38,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-16 09:54:38,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 393. [2024-11-16 09:54:38,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 327 states have (on average 1.3761467889908257) internal successors, (450), 333 states have internal predecessors, (450), 42 states have call successors, (42), 21 states have call predecessors, (42), 22 states have return successors, (45), 41 states have call predecessors, (45), 40 states have call successors, (45) [2024-11-16 09:54:38,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 537 transitions. [2024-11-16 09:54:38,189 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 537 transitions. Word has length 69 [2024-11-16 09:54:38,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:38,189 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 537 transitions. [2024-11-16 09:54:38,190 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 09:54:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 537 transitions. [2024-11-16 09:54:38,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:54:38,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:38,195 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 09:54:38,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 09:54:38,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:38,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:38,196 INFO L85 PathProgramCache]: Analyzing trace with hash 375950644, now seen corresponding path program 1 times [2024-11-16 09:54:38,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:38,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990225704] [2024-11-16 09:54:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:38,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:38,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:38,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:38,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:38,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:38,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:38,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:38,350 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 09:54:38,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:38,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990225704] [2024-11-16 09:54:38,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990225704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:38,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:38,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:54:38,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022105159] [2024-11-16 09:54:38,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:38,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:54:38,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:38,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:54:38,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:54:38,352 INFO L87 Difference]: Start difference. First operand 393 states and 537 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 09:54:39,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:39,165 INFO L93 Difference]: Finished difference Result 781 states and 1054 transitions. [2024-11-16 09:54:39,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 09:54:39,166 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 09:54:39,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:39,169 INFO L225 Difference]: With dead ends: 781 [2024-11-16 09:54:39,170 INFO L226 Difference]: Without dead ends: 577 [2024-11-16 09:54:39,170 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 09:54:39,171 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 787 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 1609 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:39,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 1609 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 09:54:39,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-16 09:54:39,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 502. [2024-11-16 09:54:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 416 states have (on average 1.3605769230769231) internal successors, (566), 424 states have internal predecessors, (566), 53 states have call successors, (53), 28 states have call predecessors, (53), 31 states have return successors, (64), 53 states have call predecessors, (64), 51 states have call successors, (64) [2024-11-16 09:54:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 683 transitions. [2024-11-16 09:54:39,199 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 683 transitions. Word has length 69 [2024-11-16 09:54:39,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:39,199 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 683 transitions. [2024-11-16 09:54:39,200 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 09:54:39,200 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 683 transitions. [2024-11-16 09:54:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:54:39,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:39,201 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 09:54:39,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 09:54:39,201 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:39,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:39,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1069343349, now seen corresponding path program 1 times [2024-11-16 09:54:39,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:39,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279172821] [2024-11-16 09:54:39,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:39,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:39,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:39,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:39,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:39,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:39,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:39,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:39,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:39,345 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 09:54:39,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:39,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279172821] [2024-11-16 09:54:39,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279172821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:39,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:39,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 09:54:39,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246046038] [2024-11-16 09:54:39,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:39,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 09:54:39,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:39,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 09:54:39,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:54:39,346 INFO L87 Difference]: Start difference. First operand 502 states and 683 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 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 09:54:39,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:39,937 INFO L93 Difference]: Finished difference Result 841 states and 1134 transitions. [2024-11-16 09:54:39,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:54:39,937 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 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 69 [2024-11-16 09:54:39,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:39,940 INFO L225 Difference]: With dead ends: 841 [2024-11-16 09:54:39,940 INFO L226 Difference]: Without dead ends: 534 [2024-11-16 09:54:39,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-16 09:54:39,942 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 429 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1508 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:39,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1508 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 09:54:39,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-16 09:54:39,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 507. [2024-11-16 09:54:39,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 420 states have (on average 1.3523809523809525) internal successors, (568), 428 states have internal predecessors, (568), 53 states have call successors, (53), 28 states have call predecessors, (53), 32 states have return successors, (65), 54 states have call predecessors, (65), 51 states have call successors, (65) [2024-11-16 09:54:39,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 686 transitions. [2024-11-16 09:54:39,977 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 686 transitions. Word has length 69 [2024-11-16 09:54:39,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:39,978 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 686 transitions. [2024-11-16 09:54:39,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 5 states have internal predecessors, (54), 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 09:54:39,979 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 686 transitions. [2024-11-16 09:54:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:54:39,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:39,981 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 09:54:39,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 09:54:39,981 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:39,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:39,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1193416596, now seen corresponding path program 1 times [2024-11-16 09:54:39,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:39,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261642254] [2024-11-16 09:54:39,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:39,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:40,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:40,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:40,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:40,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:40,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:40,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:40,103 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 09:54:40,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:40,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261642254] [2024-11-16 09:54:40,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261642254] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:40,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:40,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 09:54:40,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379360772] [2024-11-16 09:54:40,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:40,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 09:54:40,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:40,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 09:54:40,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-16 09:54:40,106 INFO L87 Difference]: Start difference. First operand 507 states and 686 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 7 states have internal predecessors, (54), 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 09:54:41,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:41,379 INFO L93 Difference]: Finished difference Result 2023 states and 2675 transitions. [2024-11-16 09:54:41,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-16 09:54:41,379 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), 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 69 [2024-11-16 09:54:41,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:41,385 INFO L225 Difference]: With dead ends: 2023 [2024-11-16 09:54:41,385 INFO L226 Difference]: Without dead ends: 1693 [2024-11-16 09:54:41,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2024-11-16 09:54:41,388 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 2493 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2507 SdHoareTripleChecker+Valid, 1674 SdHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 541 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:41,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2507 Valid, 1674 Invalid, 1891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [541 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 09:54:41,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1693 states. [2024-11-16 09:54:41,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1693 to 1541. [2024-11-16 09:54:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1541 states, 1268 states have (on average 1.2949526813880126) internal successors, (1642), 1291 states have internal predecessors, (1642), 141 states have call successors, (141), 111 states have call predecessors, (141), 130 states have return successors, (179), 141 states have call predecessors, (179), 139 states have call successors, (179) [2024-11-16 09:54:41,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 1962 transitions. [2024-11-16 09:54:41,462 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 1962 transitions. Word has length 69 [2024-11-16 09:54:41,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:41,462 INFO L471 AbstractCegarLoop]: Abstraction has 1541 states and 1962 transitions. [2024-11-16 09:54:41,463 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), 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 09:54:41,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1962 transitions. [2024-11-16 09:54:41,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 09:54:41,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:41,464 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] [2024-11-16 09:54:41,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 09:54:41,464 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:41,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:41,464 INFO L85 PathProgramCache]: Analyzing trace with hash 287993789, now seen corresponding path program 1 times [2024-11-16 09:54:41,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:41,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684709678] [2024-11-16 09:54:41,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:41,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:41,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:41,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:41,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:41,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:41,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:41,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:41,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:41,592 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 09:54:41,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:41,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684709678] [2024-11-16 09:54:41,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684709678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:41,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:41,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 09:54:41,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257817214] [2024-11-16 09:54:41,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:41,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 09:54:41,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:41,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 09:54:41,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:54:41,595 INFO L87 Difference]: Start difference. First operand 1541 states and 1962 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 5 states have internal predecessors, (57), 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 09:54:42,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:42,228 INFO L93 Difference]: Finished difference Result 3001 states and 3804 transitions. [2024-11-16 09:54:42,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 09:54:42,229 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 5 states have internal predecessors, (57), 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 72 [2024-11-16 09:54:42,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:42,236 INFO L225 Difference]: With dead ends: 3001 [2024-11-16 09:54:42,236 INFO L226 Difference]: Without dead ends: 1643 [2024-11-16 09:54:42,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 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 09:54:42,241 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 294 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:42,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1694 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 09:54:42,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2024-11-16 09:54:42,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1571. [2024-11-16 09:54:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1292 states have (on average 1.28328173374613) internal successors, (1658), 1315 states have internal predecessors, (1658), 141 states have call successors, (141), 111 states have call predecessors, (141), 136 states have return successors, (185), 147 states have call predecessors, (185), 139 states have call successors, (185) [2024-11-16 09:54:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 1984 transitions. [2024-11-16 09:54:42,348 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 1984 transitions. Word has length 72 [2024-11-16 09:54:42,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:42,348 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 1984 transitions. [2024-11-16 09:54:42,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 5 states have internal predecessors, (57), 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 09:54:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1984 transitions. [2024-11-16 09:54:42,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 09:54:42,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:42,349 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] [2024-11-16 09:54:42,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 09:54:42,349 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:42,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:42,350 INFO L85 PathProgramCache]: Analyzing trace with hash -2056673252, now seen corresponding path program 1 times [2024-11-16 09:54:42,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:42,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068447505] [2024-11-16 09:54:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:42,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:42,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:42,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:42,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:42,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:42,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:42,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:42,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:42,477 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 09:54:42,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:42,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068447505] [2024-11-16 09:54:42,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068447505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:42,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:42,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:54:42,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547652444] [2024-11-16 09:54:42,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:42,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:54:42,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:42,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:54:42,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:54:42,479 INFO L87 Difference]: Start difference. First operand 1571 states and 1984 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 09:54:43,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:43,228 INFO L93 Difference]: Finished difference Result 2959 states and 3664 transitions. [2024-11-16 09:54:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 09:54:43,228 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 72 [2024-11-16 09:54:43,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:43,235 INFO L225 Difference]: With dead ends: 2959 [2024-11-16 09:54:43,235 INFO L226 Difference]: Without dead ends: 1827 [2024-11-16 09:54:43,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-16 09:54:43,237 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 753 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 1059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:43,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [773 Valid, 1274 Invalid, 1059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 09:54:43,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1827 states. [2024-11-16 09:54:43,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1827 to 1505. [2024-11-16 09:54:43,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1242 states have (on average 1.2793880837359097) internal successors, (1589), 1260 states have internal predecessors, (1589), 135 states have call successors, (135), 106 states have call predecessors, (135), 126 states have return successors, (170), 140 states have call predecessors, (170), 133 states have call successors, (170) [2024-11-16 09:54:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1894 transitions. [2024-11-16 09:54:43,326 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1894 transitions. Word has length 72 [2024-11-16 09:54:43,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:43,327 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 1894 transitions. [2024-11-16 09:54:43,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 09:54:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1894 transitions. [2024-11-16 09:54:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 09:54:43,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:43,328 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] [2024-11-16 09:54:43,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 09:54:43,328 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:43,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:43,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1705873315, now seen corresponding path program 1 times [2024-11-16 09:54:43,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:43,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819534402] [2024-11-16 09:54:43,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:43,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:43,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:43,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:43,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:43,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:43,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:43,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:43,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:43,397 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 09:54:43,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:43,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819534402] [2024-11-16 09:54:43,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819534402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:43,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:43,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:54:43,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828182428] [2024-11-16 09:54:43,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:43,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:54:43,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:43,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:54:43,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:54:43,399 INFO L87 Difference]: Start difference. First operand 1505 states and 1894 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 4 states have internal predecessors, (57), 4 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 09:54:43,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:43,945 INFO L93 Difference]: Finished difference Result 4104 states and 5114 transitions. [2024-11-16 09:54:43,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 09:54:43,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 4 states have internal predecessors, (57), 4 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 72 [2024-11-16 09:54:43,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:43,956 INFO L225 Difference]: With dead ends: 4104 [2024-11-16 09:54:43,956 INFO L226 Difference]: Without dead ends: 2783 [2024-11-16 09:54:43,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-11-16 09:54:43,960 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 900 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:43,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 865 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 09:54:43,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2783 states. [2024-11-16 09:54:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2783 to 2662. [2024-11-16 09:54:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 2156 states have (on average 1.2402597402597402) internal successors, (2674), 2191 states have internal predecessors, (2674), 254 states have call successors, (254), 205 states have call predecessors, (254), 250 states have return successors, (361), 268 states have call predecessors, (361), 252 states have call successors, (361) [2024-11-16 09:54:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 3289 transitions. [2024-11-16 09:54:44,110 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 3289 transitions. Word has length 72 [2024-11-16 09:54:44,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:44,110 INFO L471 AbstractCegarLoop]: Abstraction has 2662 states and 3289 transitions. [2024-11-16 09:54:44,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 4 states have internal predecessors, (57), 4 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 09:54:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3289 transitions. [2024-11-16 09:54:44,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-16 09:54:44,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:44,112 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] [2024-11-16 09:54:44,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 09:54:44,112 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:44,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:44,113 INFO L85 PathProgramCache]: Analyzing trace with hash -544420550, now seen corresponding path program 1 times [2024-11-16 09:54:44,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:44,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506417538] [2024-11-16 09:54:44,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:44,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,169 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 09:54:44,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:44,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506417538] [2024-11-16 09:54:44,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506417538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:44,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:44,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:54:44,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375707886] [2024-11-16 09:54:44,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:44,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:54:44,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:44,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:54:44,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:54:44,171 INFO L87 Difference]: Start difference. First operand 2662 states and 3289 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:54:44,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:44,732 INFO L93 Difference]: Finished difference Result 6351 states and 7807 transitions. [2024-11-16 09:54:44,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:54:44,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-16 09:54:44,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:44,747 INFO L225 Difference]: With dead ends: 6351 [2024-11-16 09:54:44,747 INFO L226 Difference]: Without dead ends: 3878 [2024-11-16 09:54:44,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:54:44,752 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 662 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:44,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 819 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 09:54:44,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3878 states. [2024-11-16 09:54:44,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3878 to 3582. [2024-11-16 09:54:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3582 states, 2890 states have (on average 1.2301038062283738) internal successors, (3555), 2930 states have internal predecessors, (3555), 346 states have call successors, (346), 285 states have call predecessors, (346), 344 states have return successors, (475), 369 states have call predecessors, (475), 344 states have call successors, (475) [2024-11-16 09:54:44,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4376 transitions. [2024-11-16 09:54:44,956 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4376 transitions. Word has length 73 [2024-11-16 09:54:44,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:44,957 INFO L471 AbstractCegarLoop]: Abstraction has 3582 states and 4376 transitions. [2024-11-16 09:54:44,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:54:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4376 transitions. [2024-11-16 09:54:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-16 09:54:44,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:44,959 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] [2024-11-16 09:54:44,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 09:54:44,959 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:44,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:44,960 INFO L85 PathProgramCache]: Analyzing trace with hash -231605948, now seen corresponding path program 1 times [2024-11-16 09:54:44,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:44,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641982045] [2024-11-16 09:54:44,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:44,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:44,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:45,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:45,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:45,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:45,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:45,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:45,018 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 09:54:45,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:45,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641982045] [2024-11-16 09:54:45,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641982045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:45,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:45,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:54:45,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778030052] [2024-11-16 09:54:45,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:45,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:54:45,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:45,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:54:45,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:54:45,019 INFO L87 Difference]: Start difference. First operand 3582 states and 4376 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:54:45,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:45,662 INFO L93 Difference]: Finished difference Result 7909 states and 9605 transitions. [2024-11-16 09:54:45,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:54:45,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 83 [2024-11-16 09:54:45,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:45,677 INFO L225 Difference]: With dead ends: 7909 [2024-11-16 09:54:45,677 INFO L226 Difference]: Without dead ends: 4514 [2024-11-16 09:54:45,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:54:45,683 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 860 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:45,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 718 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 09:54:45,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4514 states. [2024-11-16 09:54:45,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4514 to 4194. [2024-11-16 09:54:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4194 states, 3388 states have (on average 1.2257969303423848) internal successors, (4153), 3432 states have internal predecessors, (4153), 402 states have call successors, (402), 335 states have call predecessors, (402), 402 states have return successors, (548), 429 states have call predecessors, (548), 400 states have call successors, (548) [2024-11-16 09:54:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4194 states to 4194 states and 5103 transitions. [2024-11-16 09:54:45,919 INFO L78 Accepts]: Start accepts. Automaton has 4194 states and 5103 transitions. Word has length 83 [2024-11-16 09:54:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:45,920 INFO L471 AbstractCegarLoop]: Abstraction has 4194 states and 5103 transitions. [2024-11-16 09:54:45,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:54:45,920 INFO L276 IsEmpty]: Start isEmpty. Operand 4194 states and 5103 transitions. [2024-11-16 09:54:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-16 09:54:45,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:45,921 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:54:45,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 09:54:45,922 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:45,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:45,922 INFO L85 PathProgramCache]: Analyzing trace with hash -823333619, now seen corresponding path program 1 times [2024-11-16 09:54:45,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:45,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958673720] [2024-11-16 09:54:45,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:45,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:46,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:46,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:46,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:46,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:46,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:46,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:54:46,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:46,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958673720] [2024-11-16 09:54:46,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958673720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:46,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:46,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:54:46,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782960631] [2024-11-16 09:54:46,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:46,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:54:46,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:46,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:54:46,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:54:46,027 INFO L87 Difference]: Start difference. First operand 4194 states and 5103 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 09:54:46,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:46,750 INFO L93 Difference]: Finished difference Result 5339 states and 6457 transitions. [2024-11-16 09:54:46,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 09:54:46,750 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 86 [2024-11-16 09:54:46,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:46,765 INFO L225 Difference]: With dead ends: 5339 [2024-11-16 09:54:46,765 INFO L226 Difference]: Without dead ends: 5335 [2024-11-16 09:54:46,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-16 09:54:46,767 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 1077 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1087 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:46,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1087 Valid, 895 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 09:54:46,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5335 states. [2024-11-16 09:54:47,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5335 to 4686. [2024-11-16 09:54:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4686 states, 3773 states have (on average 1.2189239332096475) internal successors, (4599), 3820 states have internal predecessors, (4599), 452 states have call successors, (452), 379 states have call predecessors, (452), 459 states have return successors, (625), 489 states have call predecessors, (625), 451 states have call successors, (625) [2024-11-16 09:54:47,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4686 states to 4686 states and 5676 transitions. [2024-11-16 09:54:47,129 INFO L78 Accepts]: Start accepts. Automaton has 4686 states and 5676 transitions. Word has length 86 [2024-11-16 09:54:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:47,130 INFO L471 AbstractCegarLoop]: Abstraction has 4686 states and 5676 transitions. [2024-11-16 09:54:47,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 09:54:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 4686 states and 5676 transitions. [2024-11-16 09:54:47,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-16 09:54:47,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:47,131 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:54:47,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 09:54:47,132 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:47,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:47,132 INFO L85 PathProgramCache]: Analyzing trace with hash 234928131, now seen corresponding path program 1 times [2024-11-16 09:54:47,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:47,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576315683] [2024-11-16 09:54:47,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:47,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:47,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:47,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:54:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:47,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:54:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:47,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:54:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:47,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:54:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:47,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:54:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:47,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:54:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:54:47,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:47,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576315683] [2024-11-16 09:54:47,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576315683] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 09:54:47,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807452623] [2024-11-16 09:54:47,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:47,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 09:54:47,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:54:47,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 09:54:47,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 09:54:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:47,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-16 09:54:47,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 09:54:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:54:47,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 09:54:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:54:47,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807452623] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 09:54:47,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 09:54:47,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 4] total 10 [2024-11-16 09:54:47,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503543893] [2024-11-16 09:54:47,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 09:54:47,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 09:54:47,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:47,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 09:54:47,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-16 09:54:47,662 INFO L87 Difference]: Start difference. First operand 4686 states and 5676 transitions. Second operand has 10 states, 10 states have (on average 14.5) internal successors, (145), 7 states have internal predecessors, (145), 4 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-16 09:54:49,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:49,198 INFO L93 Difference]: Finished difference Result 9392 states and 11273 transitions. [2024-11-16 09:54:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-16 09:54:49,198 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.5) internal successors, (145), 7 states have internal predecessors, (145), 4 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 87 [2024-11-16 09:54:49,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:49,224 INFO L225 Difference]: With dead ends: 9392 [2024-11-16 09:54:49,224 INFO L226 Difference]: Without dead ends: 9388 [2024-11-16 09:54:49,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2024-11-16 09:54:49,226 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 1205 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 2031 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:49,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 2031 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 09:54:49,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9388 states. [2024-11-16 09:54:49,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9388 to 8432. [2024-11-16 09:54:49,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8432 states, 6777 states have (on average 1.2115980522355025) internal successors, (8211), 6859 states have internal predecessors, (8211), 811 states have call successors, (811), 693 states have call predecessors, (811), 842 states have return successors, (1126), 882 states have call predecessors, (1126), 810 states have call successors, (1126) [2024-11-16 09:54:49,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8432 states to 8432 states and 10148 transitions. [2024-11-16 09:54:49,854 INFO L78 Accepts]: Start accepts. Automaton has 8432 states and 10148 transitions. Word has length 87 [2024-11-16 09:54:49,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:49,855 INFO L471 AbstractCegarLoop]: Abstraction has 8432 states and 10148 transitions. [2024-11-16 09:54:49,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.5) internal successors, (145), 7 states have internal predecessors, (145), 4 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-16 09:54:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 8432 states and 10148 transitions. [2024-11-16 09:54:49,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:54:49,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:49,860 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] [2024-11-16 09:54:49,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 09:54:50,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-16 09:54:50,061 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:50,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:50,062 INFO L85 PathProgramCache]: Analyzing trace with hash -686391004, now seen corresponding path program 1 times [2024-11-16 09:54:50,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:50,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400888967] [2024-11-16 09:54:50,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:50,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:50,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:50,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:54:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:50,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:54:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:50,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:54:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:50,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:54:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:50,118 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 09:54:50,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:50,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400888967] [2024-11-16 09:54:50,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400888967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:50,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:50,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 09:54:50,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541788836] [2024-11-16 09:54:50,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:50,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 09:54:50,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:50,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 09:54:50,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 09:54:50,122 INFO L87 Difference]: Start difference. First operand 8432 states and 10148 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 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 09:54:51,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:51,188 INFO L93 Difference]: Finished difference Result 8641 states and 10458 transitions. [2024-11-16 09:54:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:54:51,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 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 84 [2024-11-16 09:54:51,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:51,217 INFO L225 Difference]: With dead ends: 8641 [2024-11-16 09:54:51,218 INFO L226 Difference]: Without dead ends: 8475 [2024-11-16 09:54:51,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:54:51,220 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 483 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:51,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 662 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 09:54:51,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8475 states. [2024-11-16 09:54:52,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8475 to 8432. [2024-11-16 09:54:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8432 states, 6777 states have (on average 1.2114504943190203) internal successors, (8210), 6859 states have internal predecessors, (8210), 811 states have call successors, (811), 693 states have call predecessors, (811), 842 states have return successors, (1126), 882 states have call predecessors, (1126), 810 states have call successors, (1126) [2024-11-16 09:54:52,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8432 states to 8432 states and 10147 transitions. [2024-11-16 09:54:52,080 INFO L78 Accepts]: Start accepts. Automaton has 8432 states and 10147 transitions. Word has length 84 [2024-11-16 09:54:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:52,080 INFO L471 AbstractCegarLoop]: Abstraction has 8432 states and 10147 transitions. [2024-11-16 09:54:52,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 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 09:54:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 8432 states and 10147 transitions. [2024-11-16 09:54:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:54:52,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:52,082 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] [2024-11-16 09:54:52,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 09:54:52,082 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:52,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:52,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1130002427, now seen corresponding path program 1 times [2024-11-16 09:54:52,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:52,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959987756] [2024-11-16 09:54:52,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:52,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:52,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:52,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:54:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:52,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:54:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:52,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:54:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:52,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:54:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:52,168 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 09:54:52,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:52,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959987756] [2024-11-16 09:54:52,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959987756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:52,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:52,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:54:52,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901903504] [2024-11-16 09:54:52,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:52,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:54:52,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:52,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:54:52,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:54:52,170 INFO L87 Difference]: Start difference. First operand 8432 states and 10147 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 09:54:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:53,571 INFO L93 Difference]: Finished difference Result 8844 states and 10758 transitions. [2024-11-16 09:54:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:54:53,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 84 [2024-11-16 09:54:53,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:53,593 INFO L225 Difference]: With dead ends: 8844 [2024-11-16 09:54:53,594 INFO L226 Difference]: Without dead ends: 8681 [2024-11-16 09:54:53,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:54:53,597 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 780 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:53,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 895 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 09:54:53,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8681 states. [2024-11-16 09:54:54,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8681 to 8595. [2024-11-16 09:54:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8595 states, 6921 states have (on average 1.2162982228001733) internal successors, (8418), 7004 states have internal predecessors, (8418), 823 states have call successors, (823), 699 states have call predecessors, (823), 849 states have return successors, (1141), 894 states have call predecessors, (1141), 822 states have call successors, (1141) [2024-11-16 09:54:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8595 states to 8595 states and 10382 transitions. [2024-11-16 09:54:54,358 INFO L78 Accepts]: Start accepts. Automaton has 8595 states and 10382 transitions. Word has length 84 [2024-11-16 09:54:54,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:54,358 INFO L471 AbstractCegarLoop]: Abstraction has 8595 states and 10382 transitions. [2024-11-16 09:54:54,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 09:54:54,358 INFO L276 IsEmpty]: Start isEmpty. Operand 8595 states and 10382 transitions. [2024-11-16 09:54:54,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:54:54,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:54,359 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] [2024-11-16 09:54:54,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 09:54:54,360 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:54,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:54,360 INFO L85 PathProgramCache]: Analyzing trace with hash 2109089923, now seen corresponding path program 1 times [2024-11-16 09:54:54,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:54,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975335659] [2024-11-16 09:54:54,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:54,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:54,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:54,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:54:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:54,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:54:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:54,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:54:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:54,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:54:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:54,445 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 09:54:54,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:54,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975335659] [2024-11-16 09:54:54,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975335659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:54,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:54,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:54:54,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062023723] [2024-11-16 09:54:54,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:54,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:54:54,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:54,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:54:54,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:54:54,449 INFO L87 Difference]: Start difference. First operand 8595 states and 10382 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:54:56,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:56,278 INFO L93 Difference]: Finished difference Result 9214 states and 11293 transitions. [2024-11-16 09:54:56,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:54:56,278 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 84 [2024-11-16 09:54:56,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:56,300 INFO L225 Difference]: With dead ends: 9214 [2024-11-16 09:54:56,300 INFO L226 Difference]: Without dead ends: 8888 [2024-11-16 09:54:56,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:54:56,304 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 777 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:56,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 1530 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1463 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 09:54:56,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8888 states. [2024-11-16 09:54:57,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8888 to 8749. [2024-11-16 09:54:57,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8749 states, 7056 states have (on average 1.219954648526077) internal successors, (8608), 7140 states have internal predecessors, (8608), 835 states have call successors, (835), 705 states have call predecessors, (835), 856 states have return successors, (1155), 907 states have call predecessors, (1155), 834 states have call successors, (1155) [2024-11-16 09:54:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8749 states to 8749 states and 10598 transitions. [2024-11-16 09:54:57,323 INFO L78 Accepts]: Start accepts. Automaton has 8749 states and 10598 transitions. Word has length 84 [2024-11-16 09:54:57,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:57,323 INFO L471 AbstractCegarLoop]: Abstraction has 8749 states and 10598 transitions. [2024-11-16 09:54:57,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:54:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 8749 states and 10598 transitions. [2024-11-16 09:54:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:54:57,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:57,325 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] [2024-11-16 09:54:57,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 09:54:57,325 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:57,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:57,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1862776836, now seen corresponding path program 1 times [2024-11-16 09:54:57,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:57,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655306993] [2024-11-16 09:54:57,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:57,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:57,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:57,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:54:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:57,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:54:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:57,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:54:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:57,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:54:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:57,409 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 09:54:57,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:57,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655306993] [2024-11-16 09:54:57,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655306993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:57,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:57,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:54:57,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272581244] [2024-11-16 09:54:57,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:57,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:54:57,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:57,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:54:57,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:54:57,411 INFO L87 Difference]: Start difference. First operand 8749 states and 10598 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:54:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:54:59,041 INFO L93 Difference]: Finished difference Result 9759 states and 12079 transitions. [2024-11-16 09:54:59,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:54:59,041 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 84 [2024-11-16 09:54:59,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:54:59,062 INFO L225 Difference]: With dead ends: 9759 [2024-11-16 09:54:59,062 INFO L226 Difference]: Without dead ends: 9279 [2024-11-16 09:54:59,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:54:59,068 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 775 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 09:54:59,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 1528 Invalid, 1538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 09:54:59,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9279 states. [2024-11-16 09:54:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9279 to 9058. [2024-11-16 09:54:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9058 states, 7327 states have (on average 1.226832264228197) internal successors, (8989), 7413 states have internal predecessors, (8989), 859 states have call successors, (859), 717 states have call predecessors, (859), 870 states have return successors, (1187), 933 states have call predecessors, (1187), 858 states have call successors, (1187) [2024-11-16 09:54:59,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9058 states to 9058 states and 11035 transitions. [2024-11-16 09:54:59,840 INFO L78 Accepts]: Start accepts. Automaton has 9058 states and 11035 transitions. Word has length 84 [2024-11-16 09:54:59,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:54:59,841 INFO L471 AbstractCegarLoop]: Abstraction has 9058 states and 11035 transitions. [2024-11-16 09:54:59,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:54:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 9058 states and 11035 transitions. [2024-11-16 09:54:59,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:54:59,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:54:59,842 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] [2024-11-16 09:54:59,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 09:54:59,843 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:54:59,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:54:59,843 INFO L85 PathProgramCache]: Analyzing trace with hash 192263267, now seen corresponding path program 1 times [2024-11-16 09:54:59,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:54:59,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266647817] [2024-11-16 09:54:59,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:54:59,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:54:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:59,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:54:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:59,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:54:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:59,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:54:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:54:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:59,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:54:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:54:59,922 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 09:54:59,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:54:59,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266647817] [2024-11-16 09:54:59,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266647817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:54:59,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:54:59,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:54:59,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006440381] [2024-11-16 09:54:59,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:54:59,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:54:59,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:54:59,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:54:59,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:54:59,924 INFO L87 Difference]: Start difference. First operand 9058 states and 11035 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:01,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:01,731 INFO L93 Difference]: Finished difference Result 10816 states and 13600 transitions. [2024-11-16 09:55:01,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:55:01,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 84 [2024-11-16 09:55:01,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:01,755 INFO L225 Difference]: With dead ends: 10816 [2024-11-16 09:55:01,756 INFO L226 Difference]: Without dead ends: 10027 [2024-11-16 09:55:01,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:55:01,761 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 771 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:01,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 1528 Invalid, 1529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:55:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10027 states. [2024-11-16 09:55:02,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10027 to 9677. [2024-11-16 09:55:02,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9677 states, 7870 states have (on average 1.2390088945362134) internal successors, (9751), 7960 states have internal predecessors, (9751), 907 states have call successors, (907), 741 states have call predecessors, (907), 898 states have return successors, (1257), 985 states have call predecessors, (1257), 906 states have call successors, (1257) [2024-11-16 09:55:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9677 states to 9677 states and 11915 transitions. [2024-11-16 09:55:02,790 INFO L78 Accepts]: Start accepts. Automaton has 9677 states and 11915 transitions. Word has length 84 [2024-11-16 09:55:02,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:02,790 INFO L471 AbstractCegarLoop]: Abstraction has 9677 states and 11915 transitions. [2024-11-16 09:55:02,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 9677 states and 11915 transitions. [2024-11-16 09:55:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:55:02,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:02,792 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] [2024-11-16 09:55:02,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 09:55:02,793 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:02,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:02,793 INFO L85 PathProgramCache]: Analyzing trace with hash -415813596, now seen corresponding path program 1 times [2024-11-16 09:55:02,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:02,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895499725] [2024-11-16 09:55:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:02,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:02,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:55:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:02,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:55:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:02,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:55:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:02,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:55:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:02,869 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 09:55:02,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:02,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895499725] [2024-11-16 09:55:02,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895499725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:02,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:55:02,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:55:02,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090687444] [2024-11-16 09:55:02,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:02,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:55:02,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:55:02,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:55:02,871 INFO L87 Difference]: Start difference. First operand 9677 states and 11915 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:04,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:04,589 INFO L93 Difference]: Finished difference Result 13337 states and 17252 transitions. [2024-11-16 09:55:04,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:55:04,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 84 [2024-11-16 09:55:04,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:04,618 INFO L225 Difference]: With dead ends: 13337 [2024-11-16 09:55:04,619 INFO L226 Difference]: Without dead ends: 11929 [2024-11-16 09:55:04,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:55:04,628 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 902 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:04,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 1518 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:55:04,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11929 states. [2024-11-16 09:55:05,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11929 to 10896. [2024-11-16 09:55:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10896 states, 8945 states have (on average 1.2593627724986025) internal successors, (11265), 9043 states have internal predecessors, (11265), 995 states have call successors, (995), 789 states have call predecessors, (995), 954 states have return successors, (1407), 1081 states have call predecessors, (1407), 994 states have call successors, (1407) [2024-11-16 09:55:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10896 states to 10896 states and 13667 transitions. [2024-11-16 09:55:05,568 INFO L78 Accepts]: Start accepts. Automaton has 10896 states and 13667 transitions. Word has length 84 [2024-11-16 09:55:05,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:05,568 INFO L471 AbstractCegarLoop]: Abstraction has 10896 states and 13667 transitions. [2024-11-16 09:55:05,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 10896 states and 13667 transitions. [2024-11-16 09:55:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:55:05,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:05,573 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] [2024-11-16 09:55:05,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 09:55:05,573 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:05,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:05,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1365686339, now seen corresponding path program 1 times [2024-11-16 09:55:05,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:05,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036617999] [2024-11-16 09:55:05,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:05,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:05,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:05,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:55:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:05,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:55:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:05,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:55:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:05,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:55:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:05,652 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 09:55:05,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:05,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036617999] [2024-11-16 09:55:05,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036617999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:05,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:55:05,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:55:05,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079624547] [2024-11-16 09:55:05,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:05,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:55:05,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:05,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:55:05,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:55:05,653 INFO L87 Difference]: Start difference. First operand 10896 states and 13667 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:07,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:07,524 INFO L93 Difference]: Finished difference Result 17690 states and 23602 transitions. [2024-11-16 09:55:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:55:07,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 84 [2024-11-16 09:55:07,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:07,556 INFO L225 Difference]: With dead ends: 17690 [2024-11-16 09:55:07,557 INFO L226 Difference]: Without dead ends: 15063 [2024-11-16 09:55:07,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:55:07,566 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 857 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:07,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 1509 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:55:07,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15063 states. [2024-11-16 09:55:08,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15063 to 13179. [2024-11-16 09:55:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13179 states, 10948 states have (on average 1.2881804895871392) internal successors, (14103), 11062 states have internal predecessors, (14103), 1163 states have call successors, (1163), 885 states have call predecessors, (1163), 1066 states have return successors, (1753), 1265 states have call predecessors, (1753), 1162 states have call successors, (1753) [2024-11-16 09:55:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13179 states to 13179 states and 17019 transitions. [2024-11-16 09:55:08,621 INFO L78 Accepts]: Start accepts. Automaton has 13179 states and 17019 transitions. Word has length 84 [2024-11-16 09:55:08,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:08,621 INFO L471 AbstractCegarLoop]: Abstraction has 13179 states and 17019 transitions. [2024-11-16 09:55:08,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 13179 states and 17019 transitions. [2024-11-16 09:55:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:55:08,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:08,627 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] [2024-11-16 09:55:08,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 09:55:08,627 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:08,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:08,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1624887228, now seen corresponding path program 1 times [2024-11-16 09:55:08,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:08,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004636205] [2024-11-16 09:55:08,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:08,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:08,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:55:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:08,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:55:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:55:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:08,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:55:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:08,706 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 09:55:08,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:08,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004636205] [2024-11-16 09:55:08,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004636205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:08,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:55:08,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:55:08,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76896416] [2024-11-16 09:55:08,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:08,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:55:08,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:08,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:55:08,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:55:08,708 INFO L87 Difference]: Start difference. First operand 13179 states and 17019 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:10,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:10,868 INFO L93 Difference]: Finished difference Result 25715 states and 35500 transitions. [2024-11-16 09:55:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:55:10,868 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 84 [2024-11-16 09:55:10,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:10,913 INFO L225 Difference]: With dead ends: 25715 [2024-11-16 09:55:10,914 INFO L226 Difference]: Without dead ends: 20805 [2024-11-16 09:55:10,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:55:10,929 INFO L432 NwaCegarLoop]: 344 mSDtfsCounter, 816 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:10,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 1518 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:55:10,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20805 states. [2024-11-16 09:55:12,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20805 to 17870. [2024-11-16 09:55:12,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17870 states, 15095 states have (on average 1.323683338853925) internal successors, (19981), 15241 states have internal predecessors, (19981), 1483 states have call successors, (1483), 1077 states have call predecessors, (1483), 1290 states have return successors, (2591), 1617 states have call predecessors, (2591), 1482 states have call successors, (2591) [2024-11-16 09:55:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17870 states to 17870 states and 24055 transitions. [2024-11-16 09:55:12,587 INFO L78 Accepts]: Start accepts. Automaton has 17870 states and 24055 transitions. Word has length 84 [2024-11-16 09:55:12,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:12,587 INFO L471 AbstractCegarLoop]: Abstraction has 17870 states and 24055 transitions. [2024-11-16 09:55:12,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 17870 states and 24055 transitions. [2024-11-16 09:55:12,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:55:12,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:12,595 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] [2024-11-16 09:55:12,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 09:55:12,595 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:12,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:12,595 INFO L85 PathProgramCache]: Analyzing trace with hash 495399971, now seen corresponding path program 1 times [2024-11-16 09:55:12,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:12,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314772472] [2024-11-16 09:55:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:12,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:12,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:12,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:55:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:12,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:55:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:12,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:55:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:12,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:55:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:12,673 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 09:55:12,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:12,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314772472] [2024-11-16 09:55:12,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314772472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:12,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:55:12,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:55:12,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918502990] [2024-11-16 09:55:12,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:12,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:55:12,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:12,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:55:12,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:55:12,676 INFO L87 Difference]: Start difference. First operand 17870 states and 24055 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:15,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:15,450 INFO L93 Difference]: Finished difference Result 41465 states and 59436 transitions. [2024-11-16 09:55:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-16 09:55:15,450 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 84 [2024-11-16 09:55:15,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:15,526 INFO L225 Difference]: With dead ends: 41465 [2024-11-16 09:55:15,526 INFO L226 Difference]: Without dead ends: 31864 [2024-11-16 09:55:15,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-16 09:55:15,551 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 772 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:15,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 1492 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:55:15,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31864 states. [2024-11-16 09:55:17,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31864 to 27193. [2024-11-16 09:55:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27193 states, 23378 states have (on average 1.3583283428864745) internal successors, (31755), 23588 states have internal predecessors, (31755), 2083 states have call successors, (2083), 1453 states have call predecessors, (2083), 1730 states have return successors, (4713), 2281 states have call predecessors, (4713), 2082 states have call successors, (4713) [2024-11-16 09:55:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27193 states to 27193 states and 38551 transitions. [2024-11-16 09:55:17,508 INFO L78 Accepts]: Start accepts. Automaton has 27193 states and 38551 transitions. Word has length 84 [2024-11-16 09:55:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:17,508 INFO L471 AbstractCegarLoop]: Abstraction has 27193 states and 38551 transitions. [2024-11-16 09:55:17,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 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 09:55:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 27193 states and 38551 transitions. [2024-11-16 09:55:17,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-16 09:55:17,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:17,522 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] [2024-11-16 09:55:17,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 09:55:17,522 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:17,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:17,523 INFO L85 PathProgramCache]: Analyzing trace with hash 286701668, now seen corresponding path program 1 times [2024-11-16 09:55:17,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:17,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544781333] [2024-11-16 09:55:17,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:17,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:17,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:17,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:55:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:17,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:55:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:17,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:55:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:17,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:55:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:17,585 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 09:55:17,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:17,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544781333] [2024-11-16 09:55:17,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544781333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:17,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:55:17,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:55:17,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079481539] [2024-11-16 09:55:17,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:17,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:55:17,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:17,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:55:17,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:55:17,587 INFO L87 Difference]: Start difference. First operand 27193 states and 38551 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 09:55:21,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:21,118 INFO L93 Difference]: Finished difference Result 61045 states and 89382 transitions. [2024-11-16 09:55:21,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:55:21,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 84 [2024-11-16 09:55:21,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:21,219 INFO L225 Difference]: With dead ends: 61045 [2024-11-16 09:55:21,219 INFO L226 Difference]: Without dead ends: 42122 [2024-11-16 09:55:21,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-16 09:55:21,258 INFO L432 NwaCegarLoop]: 383 mSDtfsCounter, 961 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1164 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:21,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 1156 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1164 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 09:55:21,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42122 states. [2024-11-16 09:55:23,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42122 to 36609. [2024-11-16 09:55:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36609 states, 31655 states have (on average 1.3638919601958617) internal successors, (43174), 31994 states have internal predecessors, (43174), 2768 states have call successors, (2768), 1843 states have call predecessors, (2768), 2184 states have return successors, (6128), 2901 states have call predecessors, (6128), 2767 states have call successors, (6128) [2024-11-16 09:55:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36609 states to 36609 states and 52070 transitions. [2024-11-16 09:55:23,795 INFO L78 Accepts]: Start accepts. Automaton has 36609 states and 52070 transitions. Word has length 84 [2024-11-16 09:55:23,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:23,795 INFO L471 AbstractCegarLoop]: Abstraction has 36609 states and 52070 transitions. [2024-11-16 09:55:23,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 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 09:55:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 36609 states and 52070 transitions. [2024-11-16 09:55:23,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 09:55:23,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:23,814 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:55:23,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 09:55:23,814 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:23,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:23,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1366067797, now seen corresponding path program 2 times [2024-11-16 09:55:23,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:23,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521216164] [2024-11-16 09:55:23,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:23,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:23,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:23,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:55:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:23,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:55:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:23,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:55:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:23,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:55:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:23,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:55:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:23,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:55:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 09:55:23,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:23,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521216164] [2024-11-16 09:55:23,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521216164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:23,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:55:23,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:55:23,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332971716] [2024-11-16 09:55:23,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:23,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:55:23,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:23,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:55:23,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:55:23,855 INFO L87 Difference]: Start difference. First operand 36609 states and 52070 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 09:55:26,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:26,226 INFO L93 Difference]: Finished difference Result 39495 states and 55571 transitions. [2024-11-16 09:55:26,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 09:55:26,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 92 [2024-11-16 09:55:26,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:26,317 INFO L225 Difference]: With dead ends: 39495 [2024-11-16 09:55:26,317 INFO L226 Difference]: Without dead ends: 32709 [2024-11-16 09:55:26,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 09:55:26,337 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 632 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:26,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 999 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 09:55:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32709 states. [2024-11-16 09:55:28,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32709 to 31575. [2024-11-16 09:55:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31575 states, 27627 states have (on average 1.385564845984001) internal successors, (38279), 27912 states have internal predecessors, (38279), 2287 states have call successors, (2287), 1425 states have call predecessors, (2287), 1659 states have return successors, (5427), 2367 states have call predecessors, (5427), 2286 states have call successors, (5427) [2024-11-16 09:55:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31575 states to 31575 states and 45993 transitions. [2024-11-16 09:55:28,738 INFO L78 Accepts]: Start accepts. Automaton has 31575 states and 45993 transitions. Word has length 92 [2024-11-16 09:55:28,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:28,738 INFO L471 AbstractCegarLoop]: Abstraction has 31575 states and 45993 transitions. [2024-11-16 09:55:28,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 09:55:28,739 INFO L276 IsEmpty]: Start isEmpty. Operand 31575 states and 45993 transitions. [2024-11-16 09:55:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 09:55:28,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:28,758 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-16 09:55:28,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 09:55:28,758 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:28,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:28,759 INFO L85 PathProgramCache]: Analyzing trace with hash -462595413, now seen corresponding path program 1 times [2024-11-16 09:55:28,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:28,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223207732] [2024-11-16 09:55:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:28,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:28,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:28,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:55:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:28,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:55:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:28,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:55:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:28,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:55:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:28,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:55:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:28,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:55:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:28,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 09:55:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-16 09:55:28,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:28,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223207732] [2024-11-16 09:55:28,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223207732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:28,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:55:28,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:55:28,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985512053] [2024-11-16 09:55:28,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:28,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:55:28,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:28,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:55:28,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:55:28,833 INFO L87 Difference]: Start difference. First operand 31575 states and 45993 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-16 09:55:31,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:31,463 INFO L93 Difference]: Finished difference Result 37899 states and 53524 transitions. [2024-11-16 09:55:31,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 09:55:31,464 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 94 [2024-11-16 09:55:31,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:31,560 INFO L225 Difference]: With dead ends: 37899 [2024-11-16 09:55:31,560 INFO L226 Difference]: Without dead ends: 33820 [2024-11-16 09:55:31,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-16 09:55:31,581 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 1228 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1240 SdHoareTripleChecker+Valid, 1133 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:31,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1240 Valid, 1133 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 09:55:31,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33820 states. [2024-11-16 09:55:33,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33820 to 33555. [2024-11-16 09:55:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33555 states, 29172 states have (on average 1.372720416838064) internal successors, (40045), 29494 states have internal predecessors, (40045), 2487 states have call successors, (2487), 1597 states have call predecessors, (2487), 1894 states have return successors, (5777), 2593 states have call predecessors, (5777), 2486 states have call successors, (5777) [2024-11-16 09:55:33,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33555 states to 33555 states and 48309 transitions. [2024-11-16 09:55:33,852 INFO L78 Accepts]: Start accepts. Automaton has 33555 states and 48309 transitions. Word has length 94 [2024-11-16 09:55:33,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:33,853 INFO L471 AbstractCegarLoop]: Abstraction has 33555 states and 48309 transitions. [2024-11-16 09:55:33,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 5 states have internal predecessors, (73), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-16 09:55:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 33555 states and 48309 transitions. [2024-11-16 09:55:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-16 09:55:33,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:33,876 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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 09:55:33,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 09:55:33,876 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:33,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:33,876 INFO L85 PathProgramCache]: Analyzing trace with hash -601536961, now seen corresponding path program 1 times [2024-11-16 09:55:33,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:33,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190146908] [2024-11-16 09:55:33,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:33,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:33,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:33,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:55:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:33,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:55:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:55:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:33,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:55:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:33,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:55:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:33,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:55:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:33,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 09:55:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-16 09:55:33,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:33,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190146908] [2024-11-16 09:55:33,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190146908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:33,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:55:33,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 09:55:33,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359504193] [2024-11-16 09:55:33,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:33,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 09:55:33,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:33,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 09:55:33,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:55:33,956 INFO L87 Difference]: Start difference. First operand 33555 states and 48309 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 6 states have internal predecessors, (91), 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 09:55:36,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:36,907 INFO L93 Difference]: Finished difference Result 37226 states and 52638 transitions. [2024-11-16 09:55:36,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-16 09:55:36,907 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 6 states have internal predecessors, (91), 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 112 [2024-11-16 09:55:36,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:36,989 INFO L225 Difference]: With dead ends: 37226 [2024-11-16 09:55:36,989 INFO L226 Difference]: Without dead ends: 32600 [2024-11-16 09:55:37,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2024-11-16 09:55:37,011 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 1338 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1368 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:37,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1368 Valid, 1399 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 09:55:37,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32600 states. [2024-11-16 09:55:39,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32600 to 32154. [2024-11-16 09:55:39,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32154 states, 28037 states have (on average 1.3788208438848664) internal successors, (38658), 28347 states have internal predecessors, (38658), 2352 states have call successors, (2352), 1479 states have call predecessors, (2352), 1763 states have return successors, (5546), 2457 states have call predecessors, (5546), 2351 states have call successors, (5546) [2024-11-16 09:55:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32154 states to 32154 states and 46556 transitions. [2024-11-16 09:55:39,164 INFO L78 Accepts]: Start accepts. Automaton has 32154 states and 46556 transitions. Word has length 112 [2024-11-16 09:55:39,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:39,164 INFO L471 AbstractCegarLoop]: Abstraction has 32154 states and 46556 transitions. [2024-11-16 09:55:39,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 6 states have internal predecessors, (91), 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 09:55:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32154 states and 46556 transitions. [2024-11-16 09:55:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:55:39,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:39,203 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:55:39,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 09:55:39,204 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:39,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:39,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1065573867, now seen corresponding path program 1 times [2024-11-16 09:55:39,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:39,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316513535] [2024-11-16 09:55:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:39,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:55:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:55:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:55:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:55:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 09:55:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-16 09:55:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:55:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-16 09:55:39,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:39,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316513535] [2024-11-16 09:55:39,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316513535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 09:55:39,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673664573] [2024-11-16 09:55:39,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:39,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 09:55:39,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:55:39,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 09:55:39,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 09:55:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:39,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 09:55:39,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 09:55:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-16 09:55:39,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 09:55:39,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673664573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:39,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 09:55:39,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-16 09:55:39,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074803714] [2024-11-16 09:55:39,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:39,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 09:55:39,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:39,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 09:55:39,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:55:39,436 INFO L87 Difference]: Start difference. First operand 32154 states and 46556 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:55:42,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:42,872 INFO L93 Difference]: Finished difference Result 87931 states and 130240 transitions. [2024-11-16 09:55:42,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 09:55:42,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 139 [2024-11-16 09:55:42,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:43,019 INFO L225 Difference]: With dead ends: 87931 [2024-11-16 09:55:43,019 INFO L226 Difference]: Without dead ends: 59592 [2024-11-16 09:55:43,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:55:43,069 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 341 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:43,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 606 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 09:55:43,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59592 states. [2024-11-16 09:55:46,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59592 to 58813. [2024-11-16 09:55:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58813 states, 51492 states have (on average 1.3920026411869806) internal successors, (71677), 52059 states have internal predecessors, (71677), 4216 states have call successors, (4216), 2627 states have call predecessors, (4216), 3103 states have return successors, (10328), 4256 states have call predecessors, (10328), 4215 states have call successors, (10328) [2024-11-16 09:55:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58813 states to 58813 states and 86221 transitions. [2024-11-16 09:55:47,174 INFO L78 Accepts]: Start accepts. Automaton has 58813 states and 86221 transitions. Word has length 139 [2024-11-16 09:55:47,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:55:47,174 INFO L471 AbstractCegarLoop]: Abstraction has 58813 states and 86221 transitions. [2024-11-16 09:55:47,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:55:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 58813 states and 86221 transitions. [2024-11-16 09:55:47,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 09:55:47,486 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:55:47,486 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:55:47,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-16 09:55:47,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-16 09:55:47,687 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:55:47,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:55:47,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2033011173, now seen corresponding path program 1 times [2024-11-16 09:55:47,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:55:47,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459099390] [2024-11-16 09:55:47,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:47,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:55:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:55:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 09:55:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 09:55:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 09:55:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-16 09:55:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 09:55:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-11-16 09:55:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 09:55:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-16 09:55:47,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:55:47,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459099390] [2024-11-16 09:55:47,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459099390] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 09:55:47,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166103617] [2024-11-16 09:55:47,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:55:47,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 09:55:47,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:55:47,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 09:55:47,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-16 09:55:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:55:47,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-16 09:55:47,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 09:55:47,949 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-16 09:55:47,950 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 09:55:47,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166103617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:55:47,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 09:55:47,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-16 09:55:47,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000303956] [2024-11-16 09:55:47,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:55:47,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 09:55:47,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:55:47,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 09:55:47,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:55:47,951 INFO L87 Difference]: Start difference. First operand 58813 states and 86221 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 09:55:55,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:55:55,495 INFO L93 Difference]: Finished difference Result 166984 states and 248605 transitions. [2024-11-16 09:55:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 09:55:55,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 139 [2024-11-16 09:55:55,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:55:55,840 INFO L225 Difference]: With dead ends: 166984 [2024-11-16 09:55:55,840 INFO L226 Difference]: Without dead ends: 111986 [2024-11-16 09:55:55,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:55:55,952 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 335 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 09:55:55,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 606 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 09:55:56,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111986 states.