./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label44+token_ring.10.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label44+token_ring.10.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC --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 3bd63f2e85879a3b5cd3d111848f55574da866e1b794c0e510a03ddd791b817a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:04:30,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:04:30,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 02:04:30,688 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:04:30,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:04:30,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:04:30,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:04:30,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:04:30,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:04:30,728 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:04:30,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:04:30,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:04:30,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:04:30,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:04:30,729 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:04:30,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:04:30,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:04:30,729 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 02:04:30,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:04:30,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 02:04:30,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:04:30,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:04:30,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:04:30,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:04:30,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 02:04:30,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:04:30,732 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:04:30,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:04:30,733 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:04:30,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:04:30,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:04:30,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:04:30,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:04:30,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:04:30,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:04:30,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:04:30,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:04:30,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:04:30,734 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC 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 -> 3bd63f2e85879a3b5cd3d111848f55574da866e1b794c0e510a03ddd791b817a [2024-11-24 02:04:31,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:04:31,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:04:31,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:04:31,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:04:31,067 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:04:31,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/combinations/Problem05_label44+token_ring.10.cil-2.c [2024-11-24 02:04:34,092 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/data/a38844aaa/65b765f31d8b49ef94adad60e0b95b49/FLAG35cd65743 [2024-11-24 02:04:34,857 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:04:34,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/sv-benchmarks/c/combinations/Problem05_label44+token_ring.10.cil-2.c [2024-11-24 02:04:34,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/data/a38844aaa/65b765f31d8b49ef94adad60e0b95b49/FLAG35cd65743 [2024-11-24 02:04:34,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/data/a38844aaa/65b765f31d8b49ef94adad60e0b95b49 [2024-11-24 02:04:34,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:04:34,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:04:34,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:04:34,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:04:34,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:04:34,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:04:34" (1/1) ... [2024-11-24 02:04:34,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22105436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:34, skipping insertion in model container [2024-11-24 02:04:34,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:04:34" (1/1) ... [2024-11-24 02:04:35,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:04:37,083 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/sv-benchmarks/c/combinations/Problem05_label44+token_ring.10.cil-2.c[377340,377353] [2024-11-24 02:04:37,139 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/sv-benchmarks/c/combinations/Problem05_label44+token_ring.10.cil-2.c[383339,383352] [2024-11-24 02:04:37,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:04:37,445 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:04:38,511 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/sv-benchmarks/c/combinations/Problem05_label44+token_ring.10.cil-2.c[377340,377353] [2024-11-24 02:04:38,518 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/sv-benchmarks/c/combinations/Problem05_label44+token_ring.10.cil-2.c[383339,383352] [2024-11-24 02:04:38,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:04:38,627 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:04:38,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38 WrapperNode [2024-11-24 02:04:38,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:04:38,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:04:38,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:04:38,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:04:38,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:38,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,412 INFO L138 Inliner]: procedures = 64, calls = 71, calls flagged for inlining = 42, calls inlined = 42, statements flattened = 13099 [2024-11-24 02:04:39,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:04:39,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:04:39,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:04:39,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:04:39,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,463 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,565 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]. [2024-11-24 02:04:39,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,753 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:04:39,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:04:39,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:04:39,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:04:39,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (1/1) ... [2024-11-24 02:04:39,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:04:39,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:04:39,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:04:40,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9b6a094-0f7f-488c-931c-3f493ec65bdf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:04:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:04:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-24 02:04:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-24 02:04:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-24 02:04:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-24 02:04:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-24 02:04:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-24 02:04:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-24 02:04:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-24 02:04:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-24 02:04:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-24 02:04:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-24 02:04:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-24 02:04:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:04:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:04:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:04:40,220 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:04:40,222 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:04:51,089 INFO L? ?]: Removed 1743 outVars from TransFormulas that were not future-live. [2024-11-24 02:04:51,090 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:04:51,169 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:04:51,174 INFO L312 CfgBuilder]: Removed 28 assume(true) statements. [2024-11-24 02:04:51,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:51 BoogieIcfgContainer [2024-11-24 02:04:51,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:04:51,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:04:51,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:04:51,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:04:51,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:04:34" (1/3) ... [2024-11-24 02:04:51,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579e3577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:51, skipping insertion in model container [2024-11-24 02:04:51,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:38" (2/3) ... [2024-11-24 02:04:51,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579e3577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:51, skipping insertion in model container [2024-11-24 02:04:51,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:51" (3/3) ... [2024-11-24 02:04:51,188 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem05_label44+token_ring.10.cil-2.c [2024-11-24 02:04:51,207 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:04:51,210 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem05_label44+token_ring.10.cil-2.c that has 7 procedures, 2513 locations, 1 initial locations, 14 loop locations, and 2 error locations. [2024-11-24 02:04:51,345 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:04:51,362 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;@7d682f0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:04:51,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 02:04:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 2513 states, 2481 states have (on average 1.8456267634018542) internal successors, (4579), 2483 states have internal predecessors, (4579), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 02:04:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:04:51,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:51,402 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:51,403 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:51,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:51,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1097383662, now seen corresponding path program 1 times [2024-11-24 02:04:51,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:51,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779672881] [2024-11-24 02:04:51,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:51,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:51,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:51,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779672881] [2024-11-24 02:04:51,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779672881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:51,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:51,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:04:51,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304975081] [2024-11-24 02:04:51,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:51,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:04:51,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:52,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:04:52,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:04:52,010 INFO L87 Difference]: Start difference. First operand has 2513 states, 2481 states have (on average 1.8456267634018542) internal successors, (4579), 2483 states have internal predecessors, (4579), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:04:52,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:52,441 INFO L93 Difference]: Finished difference Result 5016 states and 9235 transitions. [2024-11-24 02:04:52,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:04:52,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (5), 1 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 154 [2024-11-24 02:04:52,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:52,487 INFO L225 Difference]: With dead ends: 5016 [2024-11-24 02:04:52,487 INFO L226 Difference]: Without dead ends: 2446 [2024-11-24 02:04:52,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:04:52,513 INFO L435 NwaCegarLoop]: 4536 mSDtfsCounter, 505 mSDsluCounter, 4022 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 8558 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:52,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 8558 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:04:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2024-11-24 02:04:52,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2446. [2024-11-24 02:04:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2446 states, 2414 states have (on average 1.8309859154929577) internal successors, (4420), 2416 states have internal predecessors, (4420), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-24 02:04:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 4468 transitions. [2024-11-24 02:04:52,714 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 4468 transitions. Word has length 154 [2024-11-24 02:04:52,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:52,715 INFO L471 AbstractCegarLoop]: Abstraction has 2446 states and 4468 transitions. [2024-11-24 02:04:52,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:04:52,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 4468 transitions. [2024-11-24 02:04:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:04:52,722 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:52,722 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:52,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 02:04:52,723 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:52,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:52,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1253364204, now seen corresponding path program 1 times [2024-11-24 02:04:52,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:52,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653492228] [2024-11-24 02:04:52,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:52,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:53,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:53,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:53,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653492228] [2024-11-24 02:04:53,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653492228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:53,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:53,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:04:53,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565260357] [2024-11-24 02:04:53,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:53,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:04:53,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:53,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:04:53,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:04:53,298 INFO L87 Difference]: Start difference. First operand 2446 states and 4468 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:04:54,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:54,585 INFO L93 Difference]: Finished difference Result 3124 states and 5561 transitions. [2024-11-24 02:04:54,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:04:54,585 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 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 154 [2024-11-24 02:04:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:54,601 INFO L225 Difference]: With dead ends: 3124 [2024-11-24 02:04:54,601 INFO L226 Difference]: Without dead ends: 2817 [2024-11-24 02:04:54,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:04:54,604 INFO L435 NwaCegarLoop]: 4624 mSDtfsCounter, 4942 mSDsluCounter, 14033 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4960 SdHoareTripleChecker+Valid, 18657 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:54,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4960 Valid, 18657 Invalid, 999 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 02:04:54,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2817 states. [2024-11-24 02:04:54,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2817 to 2771. [2024-11-24 02:04:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2771 states, 2710 states have (on average 1.8055350553505536) internal successors, (4893), 2714 states have internal predecessors, (4893), 45 states have call successors, (45), 12 states have call predecessors, (45), 14 states have return successors, (52), 46 states have call predecessors, (52), 45 states have call successors, (52) [2024-11-24 02:04:54,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2771 states and 4990 transitions. [2024-11-24 02:04:54,720 INFO L78 Accepts]: Start accepts. Automaton has 2771 states and 4990 transitions. Word has length 154 [2024-11-24 02:04:54,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:54,724 INFO L471 AbstractCegarLoop]: Abstraction has 2771 states and 4990 transitions. [2024-11-24 02:04:54,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:04:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 4990 transitions. [2024-11-24 02:04:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:04:54,731 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:54,732 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:54,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:04:54,732 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:54,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:54,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1542183594, now seen corresponding path program 1 times [2024-11-24 02:04:54,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:54,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181580595] [2024-11-24 02:04:54,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:54,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:55,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:55,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181580595] [2024-11-24 02:04:55,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181580595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:55,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:55,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:04:55,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059273198] [2024-11-24 02:04:55,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:55,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:04:55,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:55,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:04:55,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:04:55,271 INFO L87 Difference]: Start difference. First operand 2771 states and 4990 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:04:56,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:56,381 INFO L93 Difference]: Finished difference Result 4106 states and 7142 transitions. [2024-11-24 02:04:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:04:56,382 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 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 154 [2024-11-24 02:04:56,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:56,402 INFO L225 Difference]: With dead ends: 4106 [2024-11-24 02:04:56,402 INFO L226 Difference]: Without dead ends: 3476 [2024-11-24 02:04:56,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:04:56,406 INFO L435 NwaCegarLoop]: 4542 mSDtfsCounter, 4938 mSDsluCounter, 13827 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4956 SdHoareTripleChecker+Valid, 18369 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:56,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4956 Valid, 18369 Invalid, 949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [36 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:04:56,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3476 states. [2024-11-24 02:04:56,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3476 to 3411. [2024-11-24 02:04:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3411 states, 3296 states have (on average 1.7675970873786409) internal successors, (5826), 3304 states have internal predecessors, (5826), 83 states have call successors, (83), 24 states have call predecessors, (83), 30 states have return successors, (106), 86 states have call predecessors, (106), 83 states have call successors, (106) [2024-11-24 02:04:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 6015 transitions. [2024-11-24 02:04:56,549 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 6015 transitions. Word has length 154 [2024-11-24 02:04:56,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:56,550 INFO L471 AbstractCegarLoop]: Abstraction has 3411 states and 6015 transitions. [2024-11-24 02:04:56,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:04:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 6015 transitions. [2024-11-24 02:04:56,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:04:56,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:56,556 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:56,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:04:56,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:56,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:56,557 INFO L85 PathProgramCache]: Analyzing trace with hash 997311020, now seen corresponding path program 1 times [2024-11-24 02:04:56,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:56,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574569818] [2024-11-24 02:04:56,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:56,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:56,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:56,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:56,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574569818] [2024-11-24 02:04:56,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574569818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:56,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:56,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:04:56,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140486358] [2024-11-24 02:04:56,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:56,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:04:56,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:56,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:04:56,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:04:56,807 INFO L87 Difference]: Start difference. First operand 3411 states and 6015 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:04:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:58,099 INFO L93 Difference]: Finished difference Result 6179 states and 10529 transitions. [2024-11-24 02:04:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:04:58,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 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 154 [2024-11-24 02:04:58,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:58,122 INFO L225 Difference]: With dead ends: 6179 [2024-11-24 02:04:58,122 INFO L226 Difference]: Without dead ends: 4909 [2024-11-24 02:04:58,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:04:58,127 INFO L435 NwaCegarLoop]: 4618 mSDtfsCounter, 4932 mSDsluCounter, 14002 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4950 SdHoareTripleChecker+Valid, 18620 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:58,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4950 Valid, 18620 Invalid, 999 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:04:58,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4909 states. [2024-11-24 02:04:58,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4909 to 4807. [2024-11-24 02:04:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4807 states, 4578 states have (on average 1.726518130187855) internal successors, (7904), 4600 states have internal predecessors, (7904), 159 states have call successors, (159), 48 states have call predecessors, (159), 68 states have return successors, (238), 166 states have call predecessors, (238), 159 states have call successors, (238) [2024-11-24 02:04:58,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4807 states to 4807 states and 8301 transitions. [2024-11-24 02:04:58,342 INFO L78 Accepts]: Start accepts. Automaton has 4807 states and 8301 transitions. Word has length 154 [2024-11-24 02:04:58,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:58,343 INFO L471 AbstractCegarLoop]: Abstraction has 4807 states and 8301 transitions. [2024-11-24 02:04:58,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:04:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 4807 states and 8301 transitions. [2024-11-24 02:04:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:04:58,351 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:58,351 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:58,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:04:58,352 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:58,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:58,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1672471146, now seen corresponding path program 1 times [2024-11-24 02:04:58,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:58,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61446042] [2024-11-24 02:04:58,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:58,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:58,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:58,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61446042] [2024-11-24 02:04:58,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61446042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:58,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:58,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:04:58,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193635451] [2024-11-24 02:04:58,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:58,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:04:58,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:58,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:04:58,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:04:58,572 INFO L87 Difference]: Start difference. First operand 4807 states and 8301 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:00,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:00,063 INFO L93 Difference]: Finished difference Result 10770 states and 18235 transitions. [2024-11-24 02:05:00,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:05:00,066 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 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 154 [2024-11-24 02:05:00,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:00,161 INFO L225 Difference]: With dead ends: 10770 [2024-11-24 02:05:00,161 INFO L226 Difference]: Without dead ends: 8104 [2024-11-24 02:05:00,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:05:00,190 INFO L435 NwaCegarLoop]: 4617 mSDtfsCounter, 4927 mSDsluCounter, 13994 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4945 SdHoareTripleChecker+Valid, 18611 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:00,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4945 Valid, 18611 Invalid, 999 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [33 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 02:05:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8104 states. [2024-11-24 02:05:00,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8104 to 7931. [2024-11-24 02:05:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7931 states, 7456 states have (on average 1.698766094420601) internal successors, (12666), 7524 states have internal predecessors, (12666), 311 states have call successors, (311), 96 states have call predecessors, (311), 162 states have return successors, (598), 326 states have call predecessors, (598), 311 states have call successors, (598) [2024-11-24 02:05:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7931 states to 7931 states and 13575 transitions. [2024-11-24 02:05:00,794 INFO L78 Accepts]: Start accepts. Automaton has 7931 states and 13575 transitions. Word has length 154 [2024-11-24 02:05:00,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:00,795 INFO L471 AbstractCegarLoop]: Abstraction has 7931 states and 13575 transitions. [2024-11-24 02:05:00,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7931 states and 13575 transitions. [2024-11-24 02:05:00,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:00,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:00,803 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:00,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:05:00,803 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:00,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:00,804 INFO L85 PathProgramCache]: Analyzing trace with hash 724419180, now seen corresponding path program 1 times [2024-11-24 02:05:00,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:00,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204337655] [2024-11-24 02:05:00,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:00,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:01,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:05:01,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:01,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204337655] [2024-11-24 02:05:01,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204337655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:01,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:01,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:05:01,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857716242] [2024-11-24 02:05:01,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:01,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:01,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:01,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:01,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:01,028 INFO L87 Difference]: Start difference. First operand 7931 states and 13575 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:02,360 INFO L93 Difference]: Finished difference Result 21221 states and 36437 transitions. [2024-11-24 02:05:02,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:05:02,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 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 154 [2024-11-24 02:05:02,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:02,474 INFO L225 Difference]: With dead ends: 21221 [2024-11-24 02:05:02,474 INFO L226 Difference]: Without dead ends: 15431 [2024-11-24 02:05:02,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:05:02,500 INFO L435 NwaCegarLoop]: 4615 mSDtfsCounter, 4922 mSDsluCounter, 13982 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4940 SdHoareTripleChecker+Valid, 18597 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:02,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4940 Valid, 18597 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 02:05:02,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15431 states. [2024-11-24 02:05:03,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15431 to 15123. [2024-11-24 02:05:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15123 states, 14102 states have (on average 1.6953623599489434) internal successors, (23908), 14316 states have internal predecessors, (23908), 615 states have call successors, (615), 192 states have call predecessors, (615), 404 states have return successors, (1702), 646 states have call predecessors, (1702), 615 states have call successors, (1702) [2024-11-24 02:05:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15123 states to 15123 states and 26225 transitions. [2024-11-24 02:05:03,326 INFO L78 Accepts]: Start accepts. Automaton has 15123 states and 26225 transitions. Word has length 154 [2024-11-24 02:05:03,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:03,327 INFO L471 AbstractCegarLoop]: Abstraction has 15123 states and 26225 transitions. [2024-11-24 02:05:03,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 15123 states and 26225 transitions. [2024-11-24 02:05:03,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:03,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:03,342 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:03,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 02:05:03,342 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:03,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:03,343 INFO L85 PathProgramCache]: Analyzing trace with hash 139647530, now seen corresponding path program 1 times [2024-11-24 02:05:03,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:03,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187627084] [2024-11-24 02:05:03,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:03,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:05:03,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187627084] [2024-11-24 02:05:03,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187627084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:03,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:03,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:05:03,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280241313] [2024-11-24 02:05:03,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:03,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:03,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:03,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:03,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:03,572 INFO L87 Difference]: Start difference. First operand 15123 states and 26225 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:05,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:05,711 INFO L93 Difference]: Finished difference Result 45724 states and 81291 transitions. [2024-11-24 02:05:05,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:05:05,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 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 154 [2024-11-24 02:05:05,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:05,857 INFO L225 Difference]: With dead ends: 45724 [2024-11-24 02:05:05,858 INFO L226 Difference]: Without dead ends: 32742 [2024-11-24 02:05:05,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:05:05,902 INFO L435 NwaCegarLoop]: 4613 mSDtfsCounter, 4917 mSDsluCounter, 13970 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4935 SdHoareTripleChecker+Valid, 18583 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:05,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4935 Valid, 18583 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 02:05:05,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32742 states. [2024-11-24 02:05:07,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32742 to 32179. [2024-11-24 02:05:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32179 states, 29904 states have (on average 1.713282504012841) internal successors, (51234), 30572 states have internal predecessors, (51234), 1223 states have call successors, (1223), 384 states have call predecessors, (1223), 1050 states have return successors, (5446), 1286 states have call predecessors, (5446), 1223 states have call successors, (5446) [2024-11-24 02:05:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32179 states to 32179 states and 57903 transitions. [2024-11-24 02:05:07,917 INFO L78 Accepts]: Start accepts. Automaton has 32179 states and 57903 transitions. Word has length 154 [2024-11-24 02:05:07,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:07,917 INFO L471 AbstractCegarLoop]: Abstraction has 32179 states and 57903 transitions. [2024-11-24 02:05:07,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32179 states and 57903 transitions. [2024-11-24 02:05:07,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:07,940 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:07,941 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:07,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:05:07,942 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:07,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:07,942 INFO L85 PathProgramCache]: Analyzing trace with hash -294858068, now seen corresponding path program 1 times [2024-11-24 02:05:07,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:07,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985301636] [2024-11-24 02:05:07,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:07,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:05:08,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:08,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985301636] [2024-11-24 02:05:08,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985301636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:08,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:08,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:05:08,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298601596] [2024-11-24 02:05:08,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:08,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:08,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:08,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:08,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:08,295 INFO L87 Difference]: Start difference. First operand 32179 states and 57903 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:10,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:10,337 INFO L93 Difference]: Finished difference Result 73883 states and 137312 transitions. [2024-11-24 02:05:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:05:10,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 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 154 [2024-11-24 02:05:10,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:10,517 INFO L225 Difference]: With dead ends: 73883 [2024-11-24 02:05:10,517 INFO L226 Difference]: Without dead ends: 43843 [2024-11-24 02:05:10,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:10,607 INFO L435 NwaCegarLoop]: 4330 mSDtfsCounter, 4644 mSDsluCounter, 8525 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4662 SdHoareTripleChecker+Valid, 12855 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:10,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4662 Valid, 12855 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 02:05:10,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43843 states. [2024-11-24 02:05:13,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43843 to 32179. [2024-11-24 02:05:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32179 states, 29904 states have (on average 1.7111088817549491) internal successors, (51169), 30572 states have internal predecessors, (51169), 1223 states have call successors, (1223), 384 states have call predecessors, (1223), 1050 states have return successors, (5446), 1286 states have call predecessors, (5446), 1223 states have call successors, (5446) [2024-11-24 02:05:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32179 states to 32179 states and 57838 transitions. [2024-11-24 02:05:13,490 INFO L78 Accepts]: Start accepts. Automaton has 32179 states and 57838 transitions. Word has length 154 [2024-11-24 02:05:13,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:13,490 INFO L471 AbstractCegarLoop]: Abstraction has 32179 states and 57838 transitions. [2024-11-24 02:05:13,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:13,490 INFO L276 IsEmpty]: Start isEmpty. Operand 32179 states and 57838 transitions. [2024-11-24 02:05:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:13,507 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:13,507 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:13,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 02:05:13,508 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:13,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:13,510 INFO L85 PathProgramCache]: Analyzing trace with hash -724516374, now seen corresponding path program 1 times [2024-11-24 02:05:13,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:13,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981624767] [2024-11-24 02:05:13,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:13,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:05:13,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:13,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981624767] [2024-11-24 02:05:13,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981624767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:13,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:13,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:05:13,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461677921] [2024-11-24 02:05:13,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:13,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:13,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:13,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:13,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:13,722 INFO L87 Difference]: Start difference. First operand 32179 states and 57838 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:16,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:16,896 INFO L93 Difference]: Finished difference Result 103317 states and 193667 transitions. [2024-11-24 02:05:16,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:05:16,896 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 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 154 [2024-11-24 02:05:16,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:17,207 INFO L225 Difference]: With dead ends: 103317 [2024-11-24 02:05:17,207 INFO L226 Difference]: Without dead ends: 73279 [2024-11-24 02:05:17,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:05:17,307 INFO L435 NwaCegarLoop]: 4601 mSDtfsCounter, 4901 mSDsluCounter, 13921 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4919 SdHoareTripleChecker+Valid, 18522 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:17,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4919 Valid, 18522 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 02:05:17,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73279 states. [2024-11-24 02:05:21,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73279 to 72367. [2024-11-24 02:05:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72367 states, 67098 states have (on average 1.7350591671882918) internal successors, (116419), 69160 states have internal predecessors, (116419), 2439 states have call successors, (2439), 768 states have call predecessors, (2439), 2828 states have return successors, (19078), 2566 states have call predecessors, (19078), 2439 states have call successors, (19078) [2024-11-24 02:05:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72367 states to 72367 states and 137936 transitions. [2024-11-24 02:05:21,707 INFO L78 Accepts]: Start accepts. Automaton has 72367 states and 137936 transitions. Word has length 154 [2024-11-24 02:05:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:21,708 INFO L471 AbstractCegarLoop]: Abstraction has 72367 states and 137936 transitions. [2024-11-24 02:05:21,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 72367 states and 137936 transitions. [2024-11-24 02:05:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-24 02:05:21,748 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:21,748 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:21,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 02:05:21,749 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:05:21,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:21,754 INFO L85 PathProgramCache]: Analyzing trace with hash 222521512, now seen corresponding path program 1 times [2024-11-24 02:05:21,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:21,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284579242] [2024-11-24 02:05:21,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:05:22,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:22,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284579242] [2024-11-24 02:05:22,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284579242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:22,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:22,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:05:22,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819907343] [2024-11-24 02:05:22,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:22,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:22,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:22,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:22,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:22,007 INFO L87 Difference]: Start difference. First operand 72367 states and 137936 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 02:05:28,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:28,371 INFO L93 Difference]: Finished difference Result 242868 states and 492137 transitions. [2024-11-24 02:05:28,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:05:28,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (5), 2 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 154 [2024-11-24 02:05:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:29,486 INFO L225 Difference]: With dead ends: 242868 [2024-11-24 02:05:29,487 INFO L226 Difference]: Without dead ends: 172642 [2024-11-24 02:05:29,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:05:29,642 INFO L435 NwaCegarLoop]: 4537 mSDtfsCounter, 4897 mSDsluCounter, 13770 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4915 SdHoareTripleChecker+Valid, 18307 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:29,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4915 Valid, 18307 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 02:05:29,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172642 states.