./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.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.13.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 030c097c5e5981a6b9166b6af780aa84c84c48bf3e4236dc73dc256776dad070 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 09:56:34,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 09:56:34,608 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 09:56:34,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 09:56:34,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 09:56:34,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 09:56:34,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 09:56:34,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 09:56:34,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 09:56:34,665 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 09:56:34,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 09:56:34,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 09:56:34,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 09:56:34,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 09:56:34,667 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 09:56:34,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 09:56:34,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 09:56:34,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 09:56:34,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 09:56:34,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 09:56:34,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 09:56:34,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 09:56:34,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 09:56:34,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 09:56:34,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 09:56:34,675 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 09:56:34,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 09:56:34,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 09:56:34,676 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 09:56:34,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 09:56:34,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 09:56:34,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 09:56:34,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:56:34,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 09:56:34,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 09:56:34,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 09:56:34,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 09:56:34,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 09:56:34,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 09:56:34,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 09:56:34,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 09:56:34,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 09:56:34,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 030c097c5e5981a6b9166b6af780aa84c84c48bf3e4236dc73dc256776dad070 [2024-11-16 09:56:34,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 09:56:34,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 09:56:34,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 09:56:34,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 09:56:34,946 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 09:56:34,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2024-11-16 09:56:36,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 09:56:36,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 09:56:36,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/combinations/pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2024-11-16 09:56:36,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d5fc7d1d/c6e127a614d8498b846795910cdc68e6/FLAG7a9175906 [2024-11-16 09:56:36,707 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d5fc7d1d/c6e127a614d8498b846795910cdc68e6 [2024-11-16 09:56:36,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 09:56:36,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 09:56:36,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 09:56:36,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 09:56:36,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 09:56:36,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:56:36" (1/1) ... [2024-11-16 09:56:36,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45315bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:36, skipping insertion in model container [2024-11-16 09:56:36,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:56:36" (1/1) ... [2024-11-16 09:56:36,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 09:56:36,982 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.13.cil-2.c[914,927] [2024-11-16 09:56:37,059 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.13.cil-2.c[7115,7128] [2024-11-16 09:56:37,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:56:37,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 09:56:37,231 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.13.cil-2.c[914,927] [2024-11-16 09:56:37,250 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.13.cil-2.c[7115,7128] [2024-11-16 09:56:37,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 09:56:37,366 INFO L204 MainTranslator]: Completed translation [2024-11-16 09:56:37,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37 WrapperNode [2024-11-16 09:56:37,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 09:56:37,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 09:56:37,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 09:56:37,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 09:56:37,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,456 INFO L138 Inliner]: procedures = 79, calls = 96, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1108 [2024-11-16 09:56:37,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 09:56:37,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 09:56:37,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 09:56:37,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 09:56:37,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,514 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 09:56:37,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,538 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 09:56:37,572 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 09:56:37,572 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 09:56:37,572 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 09:56:37,573 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (1/1) ... [2024-11-16 09:56:37,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 09:56:37,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:56:37,620 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 09:56:37,623 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 09:56:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 09:56:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-16 09:56:37,681 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-16 09:56:37,681 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-11-16 09:56:37,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-11-16 09:56:37,683 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2024-11-16 09:56:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2024-11-16 09:56:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2024-11-16 09:56:37,684 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2024-11-16 09:56:37,684 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2024-11-16 09:56:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2024-11-16 09:56:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2024-11-16 09:56:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2024-11-16 09:56:37,685 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2024-11-16 09:56:37,685 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2024-11-16 09:56:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2024-11-16 09:56:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2024-11-16 09:56:37,686 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-11-16 09:56:37,686 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-11-16 09:56:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2024-11-16 09:56:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2024-11-16 09:56:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2024-11-16 09:56:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2024-11-16 09:56:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 09:56:37,687 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2024-11-16 09:56:37,687 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2024-11-16 09:56:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2024-11-16 09:56:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2024-11-16 09:56:37,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 09:56:37,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 09:56:37,689 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2024-11-16 09:56:37,689 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2024-11-16 09:56:37,850 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 09:56:37,853 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 09:56:39,083 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2024-11-16 09:56:39,084 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 09:56:39,115 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 09:56:39,116 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 09:56:39,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:56:39 BoogieIcfgContainer [2024-11-16 09:56:39,117 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 09:56:39,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 09:56:39,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 09:56:39,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 09:56:39,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:56:36" (1/3) ... [2024-11-16 09:56:39,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764621e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:56:39, skipping insertion in model container [2024-11-16 09:56:39,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:56:37" (2/3) ... [2024-11-16 09:56:39,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764621e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:56:39, skipping insertion in model container [2024-11-16 09:56:39,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:56:39" (3/3) ... [2024-11-16 09:56:39,125 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1+token_ring.13.cil-2.c [2024-11-16 09:56:39,138 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 09:56:39,138 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-16 09:56:39,224 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 09:56:39,231 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;@4183ff9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 09:56:39,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-16 09:56:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 604 states, 546 states have (on average 1.531135531135531) internal successors, (836), 552 states have internal predecessors, (836), 41 states have call successors, (41), 14 states have call predecessors, (41), 14 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-16 09:56:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:56:39,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:39,255 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 09:56:39,255 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:39,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:39,260 INFO L85 PathProgramCache]: Analyzing trace with hash 71390430, now seen corresponding path program 1 times [2024-11-16 09:56:39,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:39,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196823798] [2024-11-16 09:56:39,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:39,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:39,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:39,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:39,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:39,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:39,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:39,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:39,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:39,669 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 09:56:39,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:39,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196823798] [2024-11-16 09:56:39,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196823798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:39,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:39,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:56:39,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909313679] [2024-11-16 09:56:39,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:39,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:56:39,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:39,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:56:39,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:56:39,714 INFO L87 Difference]: Start difference. First operand has 604 states, 546 states have (on average 1.531135531135531) internal successors, (836), 552 states have internal predecessors, (836), 41 states have call successors, (41), 14 states have call predecessors, (41), 14 states have return successors, (41), 40 states have call predecessors, (41), 41 states have call successors, (41) 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 09:56:40,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:40,956 INFO L93 Difference]: Finished difference Result 1179 states and 1795 transitions. [2024-11-16 09:56:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 09:56:40,960 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 09:56:40,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:40,975 INFO L225 Difference]: With dead ends: 1179 [2024-11-16 09:56:40,976 INFO L226 Difference]: Without dead ends: 592 [2024-11-16 09:56:40,985 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 09:56:40,990 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 807 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 2179 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:40,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 2179 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 09:56:41,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2024-11-16 09:56:41,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 574. [2024-11-16 09:56:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 518 states have (on average 1.472972972972973) internal successors, (763), 522 states have internal predecessors, (763), 41 states have call successors, (41), 14 states have call predecessors, (41), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-16 09:56:41,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 843 transitions. [2024-11-16 09:56:41,089 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 843 transitions. Word has length 69 [2024-11-16 09:56:41,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:41,090 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 843 transitions. [2024-11-16 09:56:41,090 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 09:56:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 843 transitions. [2024-11-16 09:56:41,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:56:41,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:41,097 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 09:56:41,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 09:56:41,097 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:41,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:41,101 INFO L85 PathProgramCache]: Analyzing trace with hash -208959459, now seen corresponding path program 1 times [2024-11-16 09:56:41,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:41,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94699033] [2024-11-16 09:56:41,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:41,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:41,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:41,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:41,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:41,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:41,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:41,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:41,416 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 09:56:41,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:41,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94699033] [2024-11-16 09:56:41,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94699033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:41,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:41,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:56:41,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101270069] [2024-11-16 09:56:41,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:41,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:56:41,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:41,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:56:41,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:56:41,424 INFO L87 Difference]: Start difference. First operand 574 states and 843 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 09:56:42,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:42,731 INFO L93 Difference]: Finished difference Result 825 states and 1185 transitions. [2024-11-16 09:56:42,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:56:42,732 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 09:56:42,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:42,738 INFO L225 Difference]: With dead ends: 825 [2024-11-16 09:56:42,738 INFO L226 Difference]: Without dead ends: 723 [2024-11-16 09:56:42,739 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 09:56:42,741 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 1283 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 1395 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 2216 SdHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 1395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:42,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 2216 Invalid, 1575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 1395 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:56:42,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-16 09:56:42,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 683. [2024-11-16 09:56:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 607 states have (on average 1.4497528830313016) internal successors, (880), 613 states have internal predecessors, (880), 52 states have call successors, (52), 21 states have call predecessors, (52), 22 states have return successors, (55), 51 states have call predecessors, (55), 50 states have call successors, (55) [2024-11-16 09:56:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 987 transitions. [2024-11-16 09:56:42,811 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 987 transitions. Word has length 69 [2024-11-16 09:56:42,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:42,812 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 987 transitions. [2024-11-16 09:56:42,812 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 09:56:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 987 transitions. [2024-11-16 09:56:42,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:56:42,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:42,819 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 09:56:42,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 09:56:42,819 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:42,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:42,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1827149018, now seen corresponding path program 1 times [2024-11-16 09:56:42,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:42,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422632983] [2024-11-16 09:56:42,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:42,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:42,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:42,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:43,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:43,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:43,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:43,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:43,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:43,054 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 09:56:43,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:43,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422632983] [2024-11-16 09:56:43,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422632983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:43,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:43,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:56:43,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217909082] [2024-11-16 09:56:43,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:43,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:56:43,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:43,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:56:43,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:56:43,061 INFO L87 Difference]: Start difference. First operand 683 states and 987 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 09:56:44,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:44,547 INFO L93 Difference]: Finished difference Result 1071 states and 1504 transitions. [2024-11-16 09:56:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 09:56:44,548 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 09:56:44,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:44,553 INFO L225 Difference]: With dead ends: 1071 [2024-11-16 09:56:44,553 INFO L226 Difference]: Without dead ends: 867 [2024-11-16 09:56:44,554 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 09:56:44,555 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 1618 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 1716 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 2999 SdHoareTripleChecker+Invalid, 1848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:44,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1651 Valid, 2999 Invalid, 1848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1716 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 09:56:44,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2024-11-16 09:56:44,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 792. [2024-11-16 09:56:44,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 696 states have (on average 1.4310344827586208) internal successors, (996), 704 states have internal predecessors, (996), 63 states have call successors, (63), 28 states have call predecessors, (63), 31 states have return successors, (74), 63 states have call predecessors, (74), 61 states have call successors, (74) [2024-11-16 09:56:44,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1133 transitions. [2024-11-16 09:56:44,623 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1133 transitions. Word has length 69 [2024-11-16 09:56:44,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:44,624 INFO L471 AbstractCegarLoop]: Abstraction has 792 states and 1133 transitions. [2024-11-16 09:56:44,624 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 09:56:44,624 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1133 transitions. [2024-11-16 09:56:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:56:44,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:44,627 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] [2024-11-16 09:56:44,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 09:56:44,627 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:44,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:44,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1774425573, now seen corresponding path program 1 times [2024-11-16 09:56:44,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:44,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838505187] [2024-11-16 09:56:44,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:44,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:44,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:44,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:44,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:44,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:44,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:44,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:44,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:44,790 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 09:56:44,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:44,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838505187] [2024-11-16 09:56:44,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838505187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:44,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:44,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 09:56:44,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862212253] [2024-11-16 09:56:44,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:44,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 09:56:44,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:44,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 09:56:44,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:56:44,795 INFO L87 Difference]: Start difference. First operand 792 states and 1133 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 09:56:46,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:46,269 INFO L93 Difference]: Finished difference Result 1131 states and 1584 transitions. [2024-11-16 09:56:46,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:56:46,270 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 09:56:46,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:46,278 INFO L225 Difference]: With dead ends: 1131 [2024-11-16 09:56:46,279 INFO L226 Difference]: Without dead ends: 824 [2024-11-16 09:56:46,282 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 09:56:46,283 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 690 mSDsluCounter, 3095 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 3597 SdHoareTripleChecker+Invalid, 2199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:46,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 3597 Invalid, 2199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 09:56:46,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2024-11-16 09:56:46,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 797. [2024-11-16 09:56:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 700 states have (on average 1.4257142857142857) internal successors, (998), 708 states have internal predecessors, (998), 63 states have call successors, (63), 28 states have call predecessors, (63), 32 states have return successors, (75), 64 states have call predecessors, (75), 61 states have call successors, (75) [2024-11-16 09:56:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1136 transitions. [2024-11-16 09:56:46,349 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1136 transitions. Word has length 69 [2024-11-16 09:56:46,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:46,351 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1136 transitions. [2024-11-16 09:56:46,352 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 09:56:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1136 transitions. [2024-11-16 09:56:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 09:56:46,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:46,356 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 09:56:46,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 09:56:46,357 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:46,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:46,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1650352326, now seen corresponding path program 1 times [2024-11-16 09:56:46,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:46,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996648617] [2024-11-16 09:56:46,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:46,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:46,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:46,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:46,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:46,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:46,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:46,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:46,546 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 09:56:46,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:46,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996648617] [2024-11-16 09:56:46,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996648617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:46,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:46,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 09:56:46,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695469892] [2024-11-16 09:56:46,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:46,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 09:56:46,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:46,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 09:56:46,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-16 09:56:46,549 INFO L87 Difference]: Start difference. First operand 797 states and 1136 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 09:56:48,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:48,624 INFO L93 Difference]: Finished difference Result 2313 states and 3125 transitions. [2024-11-16 09:56:48,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-16 09:56:48,625 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 09:56:48,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:48,634 INFO L225 Difference]: With dead ends: 2313 [2024-11-16 09:56:48,635 INFO L226 Difference]: Without dead ends: 1983 [2024-11-16 09:56:48,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=257, Invalid=1075, Unknown=0, NotChecked=0, Total=1332 [2024-11-16 09:56:48,639 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 4583 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 641 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4597 SdHoareTripleChecker+Valid, 2834 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 641 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:48,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4597 Valid, 2834 Invalid, 2451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [641 Valid, 1810 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 09:56:48,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2024-11-16 09:56:48,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1831. [2024-11-16 09:56:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1831 states, 1548 states have (on average 1.3385012919896642) internal successors, (2072), 1571 states have internal predecessors, (2072), 151 states have call successors, (151), 111 states have call predecessors, (151), 130 states have return successors, (189), 151 states have call predecessors, (189), 149 states have call successors, (189) [2024-11-16 09:56:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2412 transitions. [2024-11-16 09:56:48,783 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2412 transitions. Word has length 69 [2024-11-16 09:56:48,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:48,784 INFO L471 AbstractCegarLoop]: Abstraction has 1831 states and 2412 transitions. [2024-11-16 09:56:48,784 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 09:56:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2412 transitions. [2024-11-16 09:56:48,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 09:56:48,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:48,786 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 09:56:48,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 09:56:48,787 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:48,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:48,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1508783855, now seen corresponding path program 1 times [2024-11-16 09:56:48,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:48,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653748190] [2024-11-16 09:56:48,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:48,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:48,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:48,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:48,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:48,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:48,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:48,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:48,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:48,952 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 09:56:48,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:48,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653748190] [2024-11-16 09:56:48,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653748190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:48,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:48,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 09:56:48,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125231969] [2024-11-16 09:56:48,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:48,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 09:56:48,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:48,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 09:56:48,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:56:48,956 INFO L87 Difference]: Start difference. First operand 1831 states and 2412 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 09:56:50,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:50,309 INFO L93 Difference]: Finished difference Result 3291 states and 4254 transitions. [2024-11-16 09:56:50,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 09:56:50,310 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 09:56:50,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:50,321 INFO L225 Difference]: With dead ends: 3291 [2024-11-16 09:56:50,321 INFO L226 Difference]: Without dead ends: 1933 [2024-11-16 09:56:50,325 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 09:56:50,329 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 1036 mSDsluCounter, 2676 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1038 SdHoareTripleChecker+Valid, 3175 SdHoareTripleChecker+Invalid, 2155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:50,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1038 Valid, 3175 Invalid, 2155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 09:56:50,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2024-11-16 09:56:50,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1861. [2024-11-16 09:56:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1572 states have (on average 1.3282442748091603) internal successors, (2088), 1595 states have internal predecessors, (2088), 151 states have call successors, (151), 111 states have call predecessors, (151), 136 states have return successors, (195), 157 states have call predecessors, (195), 149 states have call successors, (195) [2024-11-16 09:56:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2434 transitions. [2024-11-16 09:56:50,498 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2434 transitions. Word has length 72 [2024-11-16 09:56:50,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:50,499 INFO L471 AbstractCegarLoop]: Abstraction has 1861 states and 2434 transitions. [2024-11-16 09:56:50,500 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 09:56:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2434 transitions. [2024-11-16 09:56:50,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 09:56:50,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:50,503 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 09:56:50,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 09:56:50,504 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:50,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:50,504 INFO L85 PathProgramCache]: Analyzing trace with hash -835883186, now seen corresponding path program 1 times [2024-11-16 09:56:50,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:50,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313520885] [2024-11-16 09:56:50,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:50,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:50,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:50,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:50,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:50,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:50,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:50,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:50,705 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 09:56:50,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:50,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313520885] [2024-11-16 09:56:50,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313520885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:50,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:50,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:56:50,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933826896] [2024-11-16 09:56:50,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:50,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:56:50,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:50,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:56:50,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:56:50,708 INFO L87 Difference]: Start difference. First operand 1861 states and 2434 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 09:56:51,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:51,956 INFO L93 Difference]: Finished difference Result 3249 states and 4114 transitions. [2024-11-16 09:56:51,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 09:56:51,956 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 09:56:51,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:51,966 INFO L225 Difference]: With dead ends: 3249 [2024-11-16 09:56:51,966 INFO L226 Difference]: Without dead ends: 2117 [2024-11-16 09:56:51,968 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 09:56:51,970 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 1958 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 2239 SdHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:51,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 2239 Invalid, 1745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 09:56:51,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2024-11-16 09:56:52,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 1795. [2024-11-16 09:56:52,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1795 states, 1522 states have (on average 1.326544021024967) internal successors, (2019), 1540 states have internal predecessors, (2019), 145 states have call successors, (145), 106 states have call predecessors, (145), 126 states have return successors, (180), 150 states have call predecessors, (180), 143 states have call successors, (180) [2024-11-16 09:56:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1795 states and 2344 transitions. [2024-11-16 09:56:52,085 INFO L78 Accepts]: Start accepts. Automaton has 1795 states and 2344 transitions. Word has length 72 [2024-11-16 09:56:52,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:52,086 INFO L471 AbstractCegarLoop]: Abstraction has 1795 states and 2344 transitions. [2024-11-16 09:56:52,086 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 09:56:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2344 transitions. [2024-11-16 09:56:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 09:56:52,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:52,087 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 09:56:52,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 09:56:52,088 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:52,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:52,089 INFO L85 PathProgramCache]: Analyzing trace with hash -485083249, now seen corresponding path program 1 times [2024-11-16 09:56:52,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:52,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105351982] [2024-11-16 09:56:52,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:52,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:52,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:52,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:52,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:52,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:52,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:52,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:52,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:52,235 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 09:56:52,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:52,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105351982] [2024-11-16 09:56:52,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105351982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:52,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:52,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:56:52,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324797720] [2024-11-16 09:56:52,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:52,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:56:52,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:52,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:56:52,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:56:52,237 INFO L87 Difference]: Start difference. First operand 1795 states and 2344 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 09:56:53,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:53,160 INFO L93 Difference]: Finished difference Result 4394 states and 5564 transitions. [2024-11-16 09:56:53,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 09:56:53,161 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 09:56:53,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:53,179 INFO L225 Difference]: With dead ends: 4394 [2024-11-16 09:56:53,180 INFO L226 Difference]: Without dead ends: 3073 [2024-11-16 09:56:53,183 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 09:56:53,185 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 1557 mSDsluCounter, 1744 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:53,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 2210 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:56:53,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3073 states. [2024-11-16 09:56:53,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3073 to 2952. [2024-11-16 09:56:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2952 states, 2436 states have (on average 1.2742200328407225) internal successors, (3104), 2471 states have internal predecessors, (3104), 264 states have call successors, (264), 205 states have call predecessors, (264), 250 states have return successors, (371), 278 states have call predecessors, (371), 262 states have call successors, (371) [2024-11-16 09:56:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2952 states and 3739 transitions. [2024-11-16 09:56:53,407 INFO L78 Accepts]: Start accepts. Automaton has 2952 states and 3739 transitions. Word has length 72 [2024-11-16 09:56:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:53,409 INFO L471 AbstractCegarLoop]: Abstraction has 2952 states and 3739 transitions. [2024-11-16 09:56:53,410 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 09:56:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2952 states and 3739 transitions. [2024-11-16 09:56:53,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-16 09:56:53,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:53,411 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 09:56:53,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 09:56:53,412 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:53,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:53,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1365887008, now seen corresponding path program 1 times [2024-11-16 09:56:53,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:53,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424499940] [2024-11-16 09:56:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:53,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:53,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:53,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:53,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:53,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:53,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:53,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:53,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:53,515 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 09:56:53,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:53,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424499940] [2024-11-16 09:56:53,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424499940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:53,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:53,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:56:53,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760545297] [2024-11-16 09:56:53,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:53,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:56:53,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:53,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:56:53,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:56:53,517 INFO L87 Difference]: Start difference. First operand 2952 states and 3739 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 09:56:54,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:54,444 INFO L93 Difference]: Finished difference Result 6641 states and 8257 transitions. [2024-11-16 09:56:54,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:56:54,445 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 09:56:54,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:54,465 INFO L225 Difference]: With dead ends: 6641 [2024-11-16 09:56:54,465 INFO L226 Difference]: Without dead ends: 4168 [2024-11-16 09:56:54,472 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 09:56:54,473 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 883 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:54,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 2188 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:56:54,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4168 states. [2024-11-16 09:56:54,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4168 to 3872. [2024-11-16 09:56:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3872 states, 3170 states have (on average 1.2570977917981072) internal successors, (3985), 3210 states have internal predecessors, (3985), 356 states have call successors, (356), 285 states have call predecessors, (356), 344 states have return successors, (485), 379 states have call predecessors, (485), 354 states have call successors, (485) [2024-11-16 09:56:54,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3872 states to 3872 states and 4826 transitions. [2024-11-16 09:56:54,767 INFO L78 Accepts]: Start accepts. Automaton has 3872 states and 4826 transitions. Word has length 73 [2024-11-16 09:56:54,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:54,768 INFO L471 AbstractCegarLoop]: Abstraction has 3872 states and 4826 transitions. [2024-11-16 09:56:54,768 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 09:56:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 4826 transitions. [2024-11-16 09:56:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-16 09:56:54,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:54,770 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 09:56:54,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 09:56:54,770 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:54,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:54,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1328712554, now seen corresponding path program 1 times [2024-11-16 09:56:54,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:54,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943420272] [2024-11-16 09:56:54,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:54,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:54,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:54,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:54,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:54,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:54,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:54,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:54,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:54,863 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 09:56:54,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:54,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943420272] [2024-11-16 09:56:54,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943420272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:54,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:54,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:56:54,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813625698] [2024-11-16 09:56:54,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:54,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:56:54,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:54,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:56:54,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:56:54,865 INFO L87 Difference]: Start difference. First operand 3872 states and 4826 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 09:56:55,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:55,749 INFO L93 Difference]: Finished difference Result 8199 states and 10055 transitions. [2024-11-16 09:56:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:56:55,750 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 09:56:55,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:55,776 INFO L225 Difference]: With dead ends: 8199 [2024-11-16 09:56:55,776 INFO L226 Difference]: Without dead ends: 4804 [2024-11-16 09:56:55,785 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 09:56:55,786 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 1528 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:55,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1563 Valid, 1857 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 09:56:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4804 states. [2024-11-16 09:56:56,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4804 to 4484. [2024-11-16 09:56:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4484 states, 3668 states have (on average 1.249454743729553) internal successors, (4583), 3712 states have internal predecessors, (4583), 412 states have call successors, (412), 335 states have call predecessors, (412), 402 states have return successors, (558), 439 states have call predecessors, (558), 410 states have call successors, (558) [2024-11-16 09:56:56,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4484 states to 4484 states and 5553 transitions. [2024-11-16 09:56:56,188 INFO L78 Accepts]: Start accepts. Automaton has 4484 states and 5553 transitions. Word has length 83 [2024-11-16 09:56:56,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:56,189 INFO L471 AbstractCegarLoop]: Abstraction has 4484 states and 5553 transitions. [2024-11-16 09:56:56,190 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 09:56:56,190 INFO L276 IsEmpty]: Start isEmpty. Operand 4484 states and 5553 transitions. [2024-11-16 09:56:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-16 09:56:56,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:56,191 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 09:56:56,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 09:56:56,192 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:56,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:56,192 INFO L85 PathProgramCache]: Analyzing trace with hash -95053377, now seen corresponding path program 1 times [2024-11-16 09:56:56,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:56,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223356333] [2024-11-16 09:56:56,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:56,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:56,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:56,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:56,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:56,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:56,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:56,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:56,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:56,324 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 09:56:56,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:56,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223356333] [2024-11-16 09:56:56,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223356333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:56:56,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:56:56,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:56:56,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683678322] [2024-11-16 09:56:56,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:56:56,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:56:56,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:56,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:56:56,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:56:56,327 INFO L87 Difference]: Start difference. First operand 4484 states and 5553 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 09:56:57,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:56:57,433 INFO L93 Difference]: Finished difference Result 5629 states and 6907 transitions. [2024-11-16 09:56:57,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 09:56:57,434 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 09:56:57,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:56:57,463 INFO L225 Difference]: With dead ends: 5629 [2024-11-16 09:56:57,463 INFO L226 Difference]: Without dead ends: 5625 [2024-11-16 09:56:57,466 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 09:56:57,466 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 2709 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2719 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 09:56:57,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2719 Valid, 1407 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 09:56:57,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5625 states. [2024-11-16 09:56:57,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5625 to 4976. [2024-11-16 09:56:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4976 states, 4053 states have (on average 1.2408092770787071) internal successors, (5029), 4100 states have internal predecessors, (5029), 462 states have call successors, (462), 379 states have call predecessors, (462), 459 states have return successors, (635), 499 states have call predecessors, (635), 461 states have call successors, (635) [2024-11-16 09:56:57,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4976 states to 4976 states and 6126 transitions. [2024-11-16 09:56:57,830 INFO L78 Accepts]: Start accepts. Automaton has 4976 states and 6126 transitions. Word has length 86 [2024-11-16 09:56:57,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:56:57,830 INFO L471 AbstractCegarLoop]: Abstraction has 4976 states and 6126 transitions. [2024-11-16 09:56:57,831 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 09:56:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 4976 states and 6126 transitions. [2024-11-16 09:56:57,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-16 09:56:57,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:56:57,832 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 09:56:57,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 09:56:57,833 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:56:57,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:56:57,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1325526313, now seen corresponding path program 1 times [2024-11-16 09:56:57,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:56:57,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935286266] [2024-11-16 09:56:57,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:57,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:56:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:57,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:56:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:57,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:56:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:56:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:57,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:56:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:57,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:56:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:57,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:56:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:57,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:56:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:57,987 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 09:56:57,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:56:57,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935286266] [2024-11-16 09:56:57,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935286266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 09:56:57,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222332010] [2024-11-16 09:56:57,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:56:57,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 09:56:57,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:56:57,991 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 09:56:57,992 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 09:56:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:56:58,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-16 09:56:58,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 09:56:58,449 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 09:56:58,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 09:56:58,573 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 09:56:58,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222332010] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 09:56:58,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 09:56:58,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 4] total 10 [2024-11-16 09:56:58,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900195086] [2024-11-16 09:56:58,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 09:56:58,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 09:56:58,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:56:58,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 09:56:58,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-16 09:56:58,576 INFO L87 Difference]: Start difference. First operand 4976 states and 6126 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 09:57:00,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:00,767 INFO L93 Difference]: Finished difference Result 9682 states and 11723 transitions. [2024-11-16 09:57:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-16 09:57:00,767 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 09:57:00,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:00,816 INFO L225 Difference]: With dead ends: 9682 [2024-11-16 09:57:00,817 INFO L226 Difference]: Without dead ends: 9678 [2024-11-16 09:57:00,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2024-11-16 09:57:00,823 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 2817 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2882 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 2155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:00,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2882 Valid, 3137 Invalid, 2155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 1895 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 09:57:00,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9678 states. [2024-11-16 09:57:01,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9678 to 8722. [2024-11-16 09:57:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8722 states, 7057 states have (on average 1.224457984979453) internal successors, (8641), 7139 states have internal predecessors, (8641), 821 states have call successors, (821), 693 states have call predecessors, (821), 842 states have return successors, (1136), 892 states have call predecessors, (1136), 820 states have call successors, (1136) [2024-11-16 09:57:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8722 states to 8722 states and 10598 transitions. [2024-11-16 09:57:01,624 INFO L78 Accepts]: Start accepts. Automaton has 8722 states and 10598 transitions. Word has length 87 [2024-11-16 09:57:01,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:01,625 INFO L471 AbstractCegarLoop]: Abstraction has 8722 states and 10598 transitions. [2024-11-16 09:57:01,625 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 09:57:01,626 INFO L276 IsEmpty]: Start isEmpty. Operand 8722 states and 10598 transitions. [2024-11-16 09:57:01,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-16 09:57:01,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:01,629 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 09:57:01,650 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 09:57:01,830 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 09:57:01,830 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:01,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:01,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1325034973, now seen corresponding path program 2 times [2024-11-16 09:57:01,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:01,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204372499] [2024-11-16 09:57:01,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:01,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:01,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:01,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:57:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:01,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:57:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:01,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:01,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:01,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:57:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:01,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:57:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:01,906 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 09:57:01,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:01,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204372499] [2024-11-16 09:57:01,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204372499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:01,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:01,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:57:01,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526265397] [2024-11-16 09:57:01,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:01,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:57:01,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:01,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:57:01,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:57:01,909 INFO L87 Difference]: Start difference. First operand 8722 states and 10598 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 09:57:03,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:03,033 INFO L93 Difference]: Finished difference Result 11608 states and 14099 transitions. [2024-11-16 09:57:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 09:57:03,033 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 09:57:03,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:03,056 INFO L225 Difference]: With dead ends: 11608 [2024-11-16 09:57:03,056 INFO L226 Difference]: Without dead ends: 4822 [2024-11-16 09:57:03,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 09:57:03,074 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 1811 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:03,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 1494 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 09:57:03,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4822 states. [2024-11-16 09:57:03,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4822 to 3688. [2024-11-16 09:57:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3688 states, 3029 states have (on average 1.2367117860680092) internal successors, (3746), 3057 states have internal predecessors, (3746), 340 states have call successors, (340), 275 states have call predecessors, (340), 317 states have return successors, (435), 358 states have call predecessors, (435), 339 states have call successors, (435) [2024-11-16 09:57:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 4521 transitions. [2024-11-16 09:57:03,431 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 4521 transitions. Word has length 92 [2024-11-16 09:57:03,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:03,432 INFO L471 AbstractCegarLoop]: Abstraction has 3688 states and 4521 transitions. [2024-11-16 09:57:03,432 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 09:57:03,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 4521 transitions. [2024-11-16 09:57:03,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-16 09:57:03,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:03,434 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 09:57:03,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 09:57:03,434 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:03,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:03,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1179066019, now seen corresponding path program 1 times [2024-11-16 09:57:03,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:03,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498304410] [2024-11-16 09:57:03,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:03,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:03,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:03,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:57:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:03,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:57:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:03,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:03,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:57:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:03,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:57:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:03,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 09:57:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:03,597 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 09:57:03,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:03,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498304410] [2024-11-16 09:57:03,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498304410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:03,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:03,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 09:57:03,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114161499] [2024-11-16 09:57:03,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:03,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 09:57:03,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:03,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 09:57:03,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 09:57:03,599 INFO L87 Difference]: Start difference. First operand 3688 states and 4521 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 09:57:05,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:05,106 INFO L93 Difference]: Finished difference Result 10012 states and 12052 transitions. [2024-11-16 09:57:05,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 09:57:05,106 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 09:57:05,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:05,126 INFO L225 Difference]: With dead ends: 10012 [2024-11-16 09:57:05,126 INFO L226 Difference]: Without dead ends: 5933 [2024-11-16 09:57:05,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-16 09:57:05,135 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 1214 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:05,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 3229 Invalid, 1627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 09:57:05,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5933 states. [2024-11-16 09:57:05,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5933 to 5668. [2024-11-16 09:57:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5668 states, 4574 states have (on average 1.205072146917359) internal successors, (5512), 4639 states have internal predecessors, (5512), 540 states have call successors, (540), 447 states have call predecessors, (540), 552 states have return successors, (785), 584 states have call predecessors, (785), 539 states have call successors, (785) [2024-11-16 09:57:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5668 states to 5668 states and 6837 transitions. [2024-11-16 09:57:05,609 INFO L78 Accepts]: Start accepts. Automaton has 5668 states and 6837 transitions. Word has length 94 [2024-11-16 09:57:05,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:05,610 INFO L471 AbstractCegarLoop]: Abstraction has 5668 states and 6837 transitions. [2024-11-16 09:57:05,610 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 09:57:05,610 INFO L276 IsEmpty]: Start isEmpty. Operand 5668 states and 6837 transitions. [2024-11-16 09:57:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-16 09:57:05,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:05,612 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 09:57:05,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 09:57:05,613 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:05,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:05,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1779470193, now seen corresponding path program 1 times [2024-11-16 09:57:05,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:05,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958284912] [2024-11-16 09:57:05,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:05,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:05,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:05,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:57:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:05,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:57:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:05,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:05,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:05,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:57:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:57:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:05,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 09:57:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:05,776 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 09:57:05,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:05,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958284912] [2024-11-16 09:57:05,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958284912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:05,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:05,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 09:57:05,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262243463] [2024-11-16 09:57:05,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:05,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 09:57:05,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:05,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 09:57:05,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:57:05,781 INFO L87 Difference]: Start difference. First operand 5668 states and 6837 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 09:57:07,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:07,437 INFO L93 Difference]: Finished difference Result 9339 states and 11166 transitions. [2024-11-16 09:57:07,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-16 09:57:07,438 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 09:57:07,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:07,462 INFO L225 Difference]: With dead ends: 9339 [2024-11-16 09:57:07,462 INFO L226 Difference]: Without dead ends: 4713 [2024-11-16 09:57:07,474 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 09:57:07,475 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 2179 mSDsluCounter, 2297 mSDsCounter, 0 mSdLazyCounter, 1673 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 1673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:07,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 2805 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 1673 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 09:57:07,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4713 states. [2024-11-16 09:57:07,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4713 to 4267. [2024-11-16 09:57:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4267 states, 3439 states have (on average 1.1994765920325676) internal successors, (4125), 3492 states have internal predecessors, (4125), 405 states have call successors, (405), 329 states have call predecessors, (405), 421 states have return successors, (554), 448 states have call predecessors, (554), 404 states have call successors, (554) [2024-11-16 09:57:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 5084 transitions. [2024-11-16 09:57:08,012 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 5084 transitions. Word has length 112 [2024-11-16 09:57:08,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:08,013 INFO L471 AbstractCegarLoop]: Abstraction has 4267 states and 5084 transitions. [2024-11-16 09:57:08,013 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 09:57:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 5084 transitions. [2024-11-16 09:57:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 09:57:08,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:08,019 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2024-11-16 09:57:08,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 09:57:08,020 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:08,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:08,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1003762186, now seen corresponding path program 1 times [2024-11-16 09:57:08,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:08,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736041450] [2024-11-16 09:57:08,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:08,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:57:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:57:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:57:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:57:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 09:57:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 09:57:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 09:57:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 09:57:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 09:57:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 09:57:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 09:57:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-16 09:57:08,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:08,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736041450] [2024-11-16 09:57:08,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736041450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 09:57:08,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075145858] [2024-11-16 09:57:08,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:08,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 09:57:08,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:57:08,250 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 09:57:08,252 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 09:57:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:08,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 09:57:08,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 09:57:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-16 09:57:08,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 09:57:08,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075145858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:08,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 09:57:08,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2024-11-16 09:57:08,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557750202] [2024-11-16 09:57:08,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:08,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:57:08,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:08,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:57:08,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 09:57:08,461 INFO L87 Difference]: Start difference. First operand 4267 states and 5084 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 09:57:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:08,658 INFO L93 Difference]: Finished difference Result 6268 states and 7402 transitions. [2024-11-16 09:57:08,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 09:57:08,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 159 [2024-11-16 09:57:08,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:08,673 INFO L225 Difference]: With dead ends: 6268 [2024-11-16 09:57:08,673 INFO L226 Difference]: Without dead ends: 2480 [2024-11-16 09:57:08,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 09:57:08,683 INFO L432 NwaCegarLoop]: 838 mSDtfsCounter, 0 mSDsluCounter, 3343 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4181 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:08,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4181 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 09:57:08,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2480 states. [2024-11-16 09:57:08,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2480 to 2480. [2024-11-16 09:57:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2480 states, 2098 states have (on average 1.217349857006673) internal successors, (2554), 2114 states have internal predecessors, (2554), 194 states have call successors, (194), 143 states have call predecessors, (194), 186 states have return successors, (261), 223 states have call predecessors, (261), 193 states have call successors, (261) [2024-11-16 09:57:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 2480 states and 3009 transitions. [2024-11-16 09:57:08,858 INFO L78 Accepts]: Start accepts. Automaton has 2480 states and 3009 transitions. Word has length 159 [2024-11-16 09:57:08,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:08,858 INFO L471 AbstractCegarLoop]: Abstraction has 2480 states and 3009 transitions. [2024-11-16 09:57:08,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 09:57:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 3009 transitions. [2024-11-16 09:57:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-16 09:57:08,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:08,861 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-16 09:57:08,879 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 09:57:09,065 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,SelfDestructingSolverStorable15 [2024-11-16 09:57:09,066 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:09,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:09,067 INFO L85 PathProgramCache]: Analyzing trace with hash -510108402, now seen corresponding path program 1 times [2024-11-16 09:57:09,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:09,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681566113] [2024-11-16 09:57:09,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:09,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:57:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:57:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:57:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:57:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-16 09:57:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 09:57:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 09:57:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 09:57:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 09:57:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 09:57:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 09:57:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-16 09:57:09,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:09,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681566113] [2024-11-16 09:57:09,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681566113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:09,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:09,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:57:09,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594017893] [2024-11-16 09:57:09,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:09,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:57:09,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:09,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:57:09,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:57:09,157 INFO L87 Difference]: Start difference. First operand 2480 states and 3009 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-16 09:57:09,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:09,878 INFO L93 Difference]: Finished difference Result 2529 states and 3060 transitions. [2024-11-16 09:57:09,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:57:09,878 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 161 [2024-11-16 09:57:09,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:09,888 INFO L225 Difference]: With dead ends: 2529 [2024-11-16 09:57:09,888 INFO L226 Difference]: Without dead ends: 2120 [2024-11-16 09:57:09,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 09:57:09,891 INFO L432 NwaCegarLoop]: 494 mSDtfsCounter, 811 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2120 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:09,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [823 Valid, 2120 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 09:57:09,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2024-11-16 09:57:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2075. [2024-11-16 09:57:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2075 states, 1777 states have (on average 1.2346651660101293) internal successors, (2194), 1790 states have internal predecessors, (2194), 153 states have call successors, (153), 108 states have call predecessors, (153), 143 states have return successors, (206), 177 states have call predecessors, (206), 152 states have call successors, (206) [2024-11-16 09:57:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 2553 transitions. [2024-11-16 09:57:10,045 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 2553 transitions. Word has length 161 [2024-11-16 09:57:10,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:10,045 INFO L471 AbstractCegarLoop]: Abstraction has 2075 states and 2553 transitions. [2024-11-16 09:57:10,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-16 09:57:10,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2553 transitions. [2024-11-16 09:57:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-16 09:57:10,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:10,049 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2024-11-16 09:57:10,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 09:57:10,049 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:10,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:10,050 INFO L85 PathProgramCache]: Analyzing trace with hash 18176882, now seen corresponding path program 1 times [2024-11-16 09:57:10,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:10,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073050864] [2024-11-16 09:57:10,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:10,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:57:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:57:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:57:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:57:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 09:57:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 09:57:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-16 09:57:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 09:57:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-16 09:57:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 09:57:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 09:57:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:10,187 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-16 09:57:10,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:10,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073050864] [2024-11-16 09:57:10,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073050864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:10,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:10,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:57:10,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663286517] [2024-11-16 09:57:10,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:10,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:57:10,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:10,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:57:10,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:57:10,189 INFO L87 Difference]: Start difference. First operand 2075 states and 2553 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 09:57:11,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:11,140 INFO L93 Difference]: Finished difference Result 3536 states and 4247 transitions. [2024-11-16 09:57:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 09:57:11,141 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 181 [2024-11-16 09:57:11,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:11,151 INFO L225 Difference]: With dead ends: 3536 [2024-11-16 09:57:11,152 INFO L226 Difference]: Without dead ends: 2052 [2024-11-16 09:57:11,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:57:11,156 INFO L432 NwaCegarLoop]: 532 mSDtfsCounter, 731 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 2773 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:11,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 2773 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 09:57:11,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2024-11-16 09:57:11,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 1954. [2024-11-16 09:57:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1680 states have (on average 1.2422619047619048) internal successors, (2087), 1693 states have internal predecessors, (2087), 141 states have call successors, (141), 98 states have call predecessors, (141), 131 states have return successors, (188), 163 states have call predecessors, (188), 140 states have call successors, (188) [2024-11-16 09:57:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2416 transitions. [2024-11-16 09:57:11,299 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2416 transitions. Word has length 181 [2024-11-16 09:57:11,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:11,299 INFO L471 AbstractCegarLoop]: Abstraction has 1954 states and 2416 transitions. [2024-11-16 09:57:11,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 09:57:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2416 transitions. [2024-11-16 09:57:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-16 09:57:11,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:11,303 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 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 09:57:11,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 09:57:11,303 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting error1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:11,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:11,303 INFO L85 PathProgramCache]: Analyzing trace with hash -758593867, now seen corresponding path program 1 times [2024-11-16 09:57:11,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:11,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699727512] [2024-11-16 09:57:11,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:11,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 09:57:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 09:57:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 09:57:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 09:57:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 09:57:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 09:57:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-16 09:57:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 09:57:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 09:57:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 09:57:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-16 09:57:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 09:57:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-16 09:57:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-16 09:57:11,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:11,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699727512] [2024-11-16 09:57:11,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699727512] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 09:57:11,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028798707] [2024-11-16 09:57:11,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:11,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 09:57:11,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 09:57:11,581 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 09:57:11,582 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 09:57:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:11,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-16 09:57:11,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 09:57:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-16 09:57:11,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 09:57:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-16 09:57:12,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028798707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 09:57:12,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 09:57:12,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2024-11-16 09:57:12,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007615441] [2024-11-16 09:57:12,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 09:57:12,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 09:57:12,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:12,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 09:57:12,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-16 09:57:12,194 INFO L87 Difference]: Start difference. First operand 1954 states and 2416 transitions. Second operand has 14 states, 14 states have (on average 20.428571428571427) internal successors, (286), 12 states have internal predecessors, (286), 6 states have call successors, (38), 8 states have call predecessors, (38), 10 states have return successors, (35), 6 states have call predecessors, (35), 6 states have call successors, (35) [2024-11-16 09:57:13,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:13,875 INFO L93 Difference]: Finished difference Result 3920 states and 4785 transitions. [2024-11-16 09:57:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-16 09:57:13,875 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.428571428571427) internal successors, (286), 12 states have internal predecessors, (286), 6 states have call successors, (38), 8 states have call predecessors, (38), 10 states have return successors, (35), 6 states have call predecessors, (35), 6 states have call successors, (35) Word has length 184 [2024-11-16 09:57:13,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:13,884 INFO L225 Difference]: With dead ends: 3920 [2024-11-16 09:57:13,884 INFO L226 Difference]: Without dead ends: 2375 [2024-11-16 09:57:13,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 401 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=232, Invalid=638, Unknown=0, NotChecked=0, Total=870 [2024-11-16 09:57:13,888 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 2212 mSDsluCounter, 2909 mSDsCounter, 0 mSdLazyCounter, 2314 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2245 SdHoareTripleChecker+Valid, 3368 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 2314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:13,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2245 Valid, 3368 Invalid, 2596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 2314 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 09:57:13,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2024-11-16 09:57:14,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2242. [2024-11-16 09:57:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 1893 states have (on average 1.2150026413100898) internal successors, (2300), 1907 states have internal predecessors, (2300), 181 states have call successors, (181), 136 states have call predecessors, (181), 166 states have return successors, (257), 199 states have call predecessors, (257), 180 states have call successors, (257) [2024-11-16 09:57:14,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2738 transitions. [2024-11-16 09:57:14,072 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2738 transitions. Word has length 184 [2024-11-16 09:57:14,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:14,072 INFO L471 AbstractCegarLoop]: Abstraction has 2242 states and 2738 transitions. [2024-11-16 09:57:14,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.428571428571427) internal successors, (286), 12 states have internal predecessors, (286), 6 states have call successors, (38), 8 states have call predecessors, (38), 10 states have return successors, (35), 6 states have call predecessors, (35), 6 states have call successors, (35) [2024-11-16 09:57:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2738 transitions. [2024-11-16 09:57:14,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 09:57:14,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:14,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:14,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 09:57:14,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 09:57:14,281 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:14,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:14,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1394857667, now seen corresponding path program 1 times [2024-11-16 09:57:14,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:14,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856286676] [2024-11-16 09:57:14,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:14,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:14,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:14,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 09:57:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:14,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 09:57:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:14,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 09:57:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:14,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 09:57:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:14,493 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 09:57:14,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:14,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856286676] [2024-11-16 09:57:14,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856286676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:14,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:14,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 09:57:14,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153693385] [2024-11-16 09:57:14,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:14,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 09:57:14,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:14,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 09:57:14,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 09:57:14,495 INFO L87 Difference]: Start difference. First operand 2242 states and 2738 transitions. Second operand has 5 states, 5 states have (on average 36.8) internal successors, (184), 3 states have internal predecessors, (184), 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 09:57:16,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:16,584 INFO L93 Difference]: Finished difference Result 2848 states and 3682 transitions. [2024-11-16 09:57:16,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:57:16,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 3 states have internal predecessors, (184), 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 194 [2024-11-16 09:57:16,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:16,594 INFO L225 Difference]: With dead ends: 2848 [2024-11-16 09:57:16,594 INFO L226 Difference]: Without dead ends: 2395 [2024-11-16 09:57:16,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:57:16,597 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 1270 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1295 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:16,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1295 Valid, 1258 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 09:57:16,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2024-11-16 09:57:16,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2242. [2024-11-16 09:57:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 1893 states have (on average 1.2144743792921289) internal successors, (2299), 1907 states have internal predecessors, (2299), 181 states have call successors, (181), 136 states have call predecessors, (181), 166 states have return successors, (257), 199 states have call predecessors, (257), 180 states have call successors, (257) [2024-11-16 09:57:16,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2737 transitions. [2024-11-16 09:57:16,969 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2737 transitions. Word has length 194 [2024-11-16 09:57:16,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:16,969 INFO L471 AbstractCegarLoop]: Abstraction has 2242 states and 2737 transitions. [2024-11-16 09:57:16,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 3 states have internal predecessors, (184), 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 09:57:16,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2737 transitions. [2024-11-16 09:57:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 09:57:16,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:16,973 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:16,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 09:57:16,973 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:16,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:16,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1631439550, now seen corresponding path program 1 times [2024-11-16 09:57:16,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:16,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422337621] [2024-11-16 09:57:16,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:16,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:17,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:17,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 09:57:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:17,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 09:57:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:17,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 09:57:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:17,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 09:57:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:17,167 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 09:57:17,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:17,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422337621] [2024-11-16 09:57:17,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422337621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:17,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:17,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 09:57:17,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202523526] [2024-11-16 09:57:17,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:17,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 09:57:17,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:17,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 09:57:17,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 09:57:17,169 INFO L87 Difference]: Start difference. First operand 2242 states and 2737 transitions. Second operand has 5 states, 5 states have (on average 36.8) internal successors, (184), 3 states have internal predecessors, (184), 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 09:57:19,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:19,357 INFO L93 Difference]: Finished difference Result 2840 states and 3665 transitions. [2024-11-16 09:57:19,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:57:19,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 3 states have internal predecessors, (184), 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 194 [2024-11-16 09:57:19,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:19,366 INFO L225 Difference]: With dead ends: 2840 [2024-11-16 09:57:19,366 INFO L226 Difference]: Without dead ends: 2395 [2024-11-16 09:57:19,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-16 09:57:19,368 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 1261 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:19,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 1256 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:57:19,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2024-11-16 09:57:19,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2242. [2024-11-16 09:57:19,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 1893 states have (on average 1.213946117274168) internal successors, (2298), 1907 states have internal predecessors, (2298), 181 states have call successors, (181), 136 states have call predecessors, (181), 166 states have return successors, (257), 199 states have call predecessors, (257), 180 states have call successors, (257) [2024-11-16 09:57:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 2736 transitions. [2024-11-16 09:57:19,850 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 2736 transitions. Word has length 194 [2024-11-16 09:57:19,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:19,851 INFO L471 AbstractCegarLoop]: Abstraction has 2242 states and 2736 transitions. [2024-11-16 09:57:19,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.8) internal successors, (184), 3 states have internal predecessors, (184), 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 09:57:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2736 transitions. [2024-11-16 09:57:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 09:57:19,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:19,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:19,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 09:57:19,854 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:19,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:19,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1895136575, now seen corresponding path program 1 times [2024-11-16 09:57:19,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:19,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502530336] [2024-11-16 09:57:19,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:19,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:19,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:20,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 09:57:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:20,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 09:57:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 09:57:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:20,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 09:57:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:20,108 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 09:57:20,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:20,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502530336] [2024-11-16 09:57:20,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502530336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:20,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:20,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 09:57:20,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831209016] [2024-11-16 09:57:20,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:20,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 09:57:20,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:20,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 09:57:20,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 09:57:20,112 INFO L87 Difference]: Start difference. First operand 2242 states and 2736 transitions. Second operand has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 4 states have internal predecessors, (184), 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 09:57:23,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:23,228 INFO L93 Difference]: Finished difference Result 3454 states and 4627 transitions. [2024-11-16 09:57:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 09:57:23,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 4 states have internal predecessors, (184), 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 194 [2024-11-16 09:57:23,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:23,240 INFO L225 Difference]: With dead ends: 3454 [2024-11-16 09:57:23,240 INFO L226 Difference]: Without dead ends: 3011 [2024-11-16 09:57:23,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:57:23,242 INFO L432 NwaCegarLoop]: 470 mSDtfsCounter, 1968 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 2595 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 2741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 2595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:23,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 1918 Invalid, 2741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 2595 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-16 09:57:23,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3011 states. [2024-11-16 09:57:23,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3011 to 2705. [2024-11-16 09:57:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2705 states, 2327 states have (on average 1.2703051138805328) internal successors, (2956), 2342 states have internal predecessors, (2956), 203 states have call successors, (203), 142 states have call predecessors, (203), 173 states have return successors, (282), 221 states have call predecessors, (282), 202 states have call successors, (282) [2024-11-16 09:57:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 3441 transitions. [2024-11-16 09:57:23,638 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 3441 transitions. Word has length 194 [2024-11-16 09:57:23,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:23,639 INFO L471 AbstractCegarLoop]: Abstraction has 2705 states and 3441 transitions. [2024-11-16 09:57:23,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.666666666666668) internal successors, (184), 4 states have internal predecessors, (184), 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 09:57:23,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3441 transitions. [2024-11-16 09:57:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 09:57:23,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:23,641 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:23,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 09:57:23,642 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:23,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:23,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1877515713, now seen corresponding path program 1 times [2024-11-16 09:57:23,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:23,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392683030] [2024-11-16 09:57:23,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:23,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:23,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 09:57:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:23,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 09:57:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:23,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 09:57:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:23,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 09:57:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:23,935 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 09:57:23,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:23,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392683030] [2024-11-16 09:57:23,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392683030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:23,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:23,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:57:23,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330801757] [2024-11-16 09:57:23,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:23,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:57:23,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:23,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:57:23,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:57:23,937 INFO L87 Difference]: Start difference. First operand 2705 states and 3441 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:28,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:28,057 INFO L93 Difference]: Finished difference Result 4554 states and 6332 transitions. [2024-11-16 09:57:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:57:28,058 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 194 [2024-11-16 09:57:28,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:28,068 INFO L225 Difference]: With dead ends: 4554 [2024-11-16 09:57:28,068 INFO L226 Difference]: Without dead ends: 3648 [2024-11-16 09:57:28,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:57:28,071 INFO L432 NwaCegarLoop]: 786 mSDtfsCounter, 2005 mSDsluCounter, 2815 mSDsCounter, 0 mSdLazyCounter, 4092 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 3601 SdHoareTripleChecker+Invalid, 4189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 4092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:28,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 3601 Invalid, 4189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 4092 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-16 09:57:28,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2024-11-16 09:57:28,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3139. [2024-11-16 09:57:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3139 states, 2732 states have (on average 1.301610541727672) internal successors, (3556), 2748 states have internal predecessors, (3556), 225 states have call successors, (225), 148 states have call predecessors, (225), 180 states have return successors, (306), 244 states have call predecessors, (306), 224 states have call successors, (306) [2024-11-16 09:57:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 3139 states and 4087 transitions. [2024-11-16 09:57:28,466 INFO L78 Accepts]: Start accepts. Automaton has 3139 states and 4087 transitions. Word has length 194 [2024-11-16 09:57:28,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:28,467 INFO L471 AbstractCegarLoop]: Abstraction has 3139 states and 4087 transitions. [2024-11-16 09:57:28,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 4087 transitions. [2024-11-16 09:57:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 09:57:28,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:28,470 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:28,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 09:57:28,470 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:28,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:28,470 INFO L85 PathProgramCache]: Analyzing trace with hash 314998080, now seen corresponding path program 1 times [2024-11-16 09:57:28,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:28,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343498615] [2024-11-16 09:57:28,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:28,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:28,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:28,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 09:57:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:28,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 09:57:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:28,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 09:57:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:28,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 09:57:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:28,744 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 09:57:28,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:28,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343498615] [2024-11-16 09:57:28,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343498615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:28,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:28,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:57:28,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113028897] [2024-11-16 09:57:28,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:28,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:57:28,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:28,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:57:28,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:57:28,749 INFO L87 Difference]: Start difference. First operand 3139 states and 4087 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:32,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:32,909 INFO L93 Difference]: Finished difference Result 6179 states and 8828 transitions. [2024-11-16 09:57:32,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:57:32,910 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 194 [2024-11-16 09:57:32,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:32,930 INFO L225 Difference]: With dead ends: 6179 [2024-11-16 09:57:32,930 INFO L226 Difference]: Without dead ends: 4839 [2024-11-16 09:57:32,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:57:32,938 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 2003 mSDsluCounter, 2815 mSDsCounter, 0 mSdLazyCounter, 4088 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:32,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2033 Valid, 3599 Invalid, 4187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4088 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-16 09:57:32,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4839 states. [2024-11-16 09:57:33,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4839 to 4008. [2024-11-16 09:57:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4008 states, 3543 states have (on average 1.3426474738921819) internal successors, (4757), 3561 states have internal predecessors, (4757), 269 states have call successors, (269), 160 states have call predecessors, (269), 194 states have return successors, (358), 290 states have call predecessors, (358), 268 states have call successors, (358) [2024-11-16 09:57:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 4008 states and 5384 transitions. [2024-11-16 09:57:33,463 INFO L78 Accepts]: Start accepts. Automaton has 4008 states and 5384 transitions. Word has length 194 [2024-11-16 09:57:33,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:33,464 INFO L471 AbstractCegarLoop]: Abstraction has 4008 states and 5384 transitions. [2024-11-16 09:57:33,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 4008 states and 5384 transitions. [2024-11-16 09:57:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 09:57:33,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:33,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:33,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 09:57:33,468 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:33,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:33,468 INFO L85 PathProgramCache]: Analyzing trace with hash -29917665, now seen corresponding path program 1 times [2024-11-16 09:57:33,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:33,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283897656] [2024-11-16 09:57:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:33,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:33,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 09:57:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:33,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 09:57:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:33,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 09:57:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:33,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 09:57:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:33,758 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 09:57:33,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:33,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283897656] [2024-11-16 09:57:33,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283897656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:33,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:33,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:57:33,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897670756] [2024-11-16 09:57:33,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:33,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:57:33,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:33,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:57:33,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:57:33,761 INFO L87 Difference]: Start difference. First operand 4008 states and 5384 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:37,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:37,995 INFO L93 Difference]: Finished difference Result 9316 states and 13609 transitions. [2024-11-16 09:57:37,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:57:37,996 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 194 [2024-11-16 09:57:37,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:38,020 INFO L225 Difference]: With dead ends: 9316 [2024-11-16 09:57:38,020 INFO L226 Difference]: Without dead ends: 7107 [2024-11-16 09:57:38,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:57:38,030 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 1999 mSDsluCounter, 2815 mSDsCounter, 0 mSdLazyCounter, 4079 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:38,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2029 Valid, 3599 Invalid, 4178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4079 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-16 09:57:38,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2024-11-16 09:57:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 5747. [2024-11-16 09:57:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5747 states, 5166 states have (on average 1.3857917150600076) internal successors, (7159), 5188 states have internal predecessors, (7159), 357 states have call successors, (357), 184 states have call predecessors, (357), 222 states have return successors, (468), 382 states have call predecessors, (468), 356 states have call successors, (468) [2024-11-16 09:57:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5747 states to 5747 states and 7984 transitions. [2024-11-16 09:57:38,669 INFO L78 Accepts]: Start accepts. Automaton has 5747 states and 7984 transitions. Word has length 194 [2024-11-16 09:57:38,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:38,669 INFO L471 AbstractCegarLoop]: Abstraction has 5747 states and 7984 transitions. [2024-11-16 09:57:38,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5747 states and 7984 transitions. [2024-11-16 09:57:38,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 09:57:38,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:38,674 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:38,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 09:57:38,674 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:38,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:38,675 INFO L85 PathProgramCache]: Analyzing trace with hash -733780640, now seen corresponding path program 1 times [2024-11-16 09:57:38,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:38,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487788428] [2024-11-16 09:57:38,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:38,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:38,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:38,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 09:57:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:38,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 09:57:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:38,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 09:57:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:38,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 09:57:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:38,983 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 09:57:38,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:38,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487788428] [2024-11-16 09:57:38,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487788428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:38,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:38,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:57:38,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778573738] [2024-11-16 09:57:38,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:38,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:57:38,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:38,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:57:38,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:57:38,991 INFO L87 Difference]: Start difference. First operand 5747 states and 7984 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:43,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:43,447 INFO L93 Difference]: Finished difference Result 15589 states and 23187 transitions. [2024-11-16 09:57:43,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 09:57:43,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 194 [2024-11-16 09:57:43,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:43,478 INFO L225 Difference]: With dead ends: 15589 [2024-11-16 09:57:43,478 INFO L226 Difference]: Without dead ends: 11641 [2024-11-16 09:57:43,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-16 09:57:43,491 INFO L432 NwaCegarLoop]: 784 mSDtfsCounter, 1995 mSDsluCounter, 2815 mSDsCounter, 0 mSdLazyCounter, 4070 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 4169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 4070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:43,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2025 Valid, 3599 Invalid, 4169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 4070 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-16 09:57:43,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11641 states. [2024-11-16 09:57:44,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11641 to 9230. [2024-11-16 09:57:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9230 states, 8417 states have (on average 1.4220030889865747) internal successors, (11969), 8447 states have internal predecessors, (11969), 533 states have call successors, (533), 232 states have call predecessors, (533), 278 states have return successors, (706), 566 states have call predecessors, (706), 532 states have call successors, (706) [2024-11-16 09:57:44,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9230 states to 9230 states and 13208 transitions. [2024-11-16 09:57:44,189 INFO L78 Accepts]: Start accepts. Automaton has 9230 states and 13208 transitions. Word has length 194 [2024-11-16 09:57:44,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:44,190 INFO L471 AbstractCegarLoop]: Abstraction has 9230 states and 13208 transitions. [2024-11-16 09:57:44,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:44,190 INFO L276 IsEmpty]: Start isEmpty. Operand 9230 states and 13208 transitions. [2024-11-16 09:57:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 09:57:44,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:44,196 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:44,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 09:57:44,196 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:44,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:44,197 INFO L85 PathProgramCache]: Analyzing trace with hash -479391233, now seen corresponding path program 1 times [2024-11-16 09:57:44,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:44,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180332710] [2024-11-16 09:57:44,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:44,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:44,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-16 09:57:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 09:57:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:44,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 09:57:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:44,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 09:57:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:44,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-16 09:57:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 09:57:44,471 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 09:57:44,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 09:57:44,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180332710] [2024-11-16 09:57:44,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180332710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 09:57:44,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 09:57:44,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 09:57:44,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526633752] [2024-11-16 09:57:44,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 09:57:44,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 09:57:44,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 09:57:44,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 09:57:44,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 09:57:44,473 INFO L87 Difference]: Start difference. First operand 9230 states and 13208 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:46,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 09:57:46,883 INFO L93 Difference]: Finished difference Result 19197 states and 28729 transitions. [2024-11-16 09:57:46,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 09:57:46,883 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 194 [2024-11-16 09:57:46,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 09:57:46,916 INFO L225 Difference]: With dead ends: 19197 [2024-11-16 09:57:46,916 INFO L226 Difference]: Without dead ends: 11766 [2024-11-16 09:57:46,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 09:57:46,933 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 1741 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1772 SdHoareTripleChecker+Valid, 1622 SdHoareTripleChecker+Invalid, 2096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 09:57:46,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1772 Valid, 1622 Invalid, 2096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 09:57:46,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11766 states. [2024-11-16 09:57:47,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11766 to 9230. [2024-11-16 09:57:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9230 states, 8417 states have (on average 1.4199833669953665) internal successors, (11952), 8447 states have internal predecessors, (11952), 533 states have call successors, (533), 232 states have call predecessors, (533), 278 states have return successors, (706), 566 states have call predecessors, (706), 532 states have call successors, (706) [2024-11-16 09:57:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9230 states to 9230 states and 13191 transitions. [2024-11-16 09:57:47,925 INFO L78 Accepts]: Start accepts. Automaton has 9230 states and 13191 transitions. Word has length 194 [2024-11-16 09:57:47,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 09:57:47,925 INFO L471 AbstractCegarLoop]: Abstraction has 9230 states and 13191 transitions. [2024-11-16 09:57:47,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 5 states have internal predecessors, (184), 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 09:57:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 9230 states and 13191 transitions. [2024-11-16 09:57:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-16 09:57:47,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 09:57:47,931 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:57:47,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 09:57:47,932 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, error1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 09:57:47,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 09:57:47,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1441016448, now seen corresponding path program 1 times [2024-11-16 09:57:47,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 09:57:47,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585024431] [2024-11-16 09:57:47,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 09:57:47,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 09:57:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat