./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c74f92ba3d978b3a2efb098ebc8eb373bc42abebaabf8c6efaf148fbe05036e0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 08:39:24,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 08:39:24,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 08:39:24,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 08:39:24,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 08:39:24,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 08:39:24,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 08:39:24,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 08:39:24,282 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 08:39:24,282 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 08:39:24,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 08:39:24,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 08:39:24,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 08:39:24,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 08:39:24,284 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 08:39:24,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 08:39:24,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 08:39:24,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 08:39:24,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 08:39:24,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 08:39:24,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 08:39:24,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 08:39:24,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 08:39:24,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 08:39:24,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 08:39:24,287 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 08:39:24,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 08:39:24,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 08:39:24,288 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 08:39:24,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 08:39:24,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 08:39:24,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 08:39:24,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:39:24,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 08:39:24,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 08:39:24,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 08:39:24,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 08:39:24,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 08:39:24,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 08:39:24,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 08:39:24,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 08:39:24,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 08:39:24,291 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c74f92ba3d978b3a2efb098ebc8eb373bc42abebaabf8c6efaf148fbe05036e0 [2024-11-16 08:39:24,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 08:39:24,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 08:39:24,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 08:39:24,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 08:39:24,509 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 08:39:24,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-11-16 08:39:25,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 08:39:26,073 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 08:39:26,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-11-16 08:39:26,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac890234a/90aa705799a746459060198a74f44735/FLAG955509d8c [2024-11-16 08:39:26,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac890234a/90aa705799a746459060198a74f44735 [2024-11-16 08:39:26,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 08:39:26,385 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 08:39:26,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 08:39:26,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 08:39:26,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 08:39:26,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:39:26" (1/1) ... [2024-11-16 08:39:26,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1215c8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:26, skipping insertion in model container [2024-11-16 08:39:26,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:39:26" (1/1) ... [2024-11-16 08:39:26,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 08:39:26,749 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18857,18870] [2024-11-16 08:39:26,778 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25957,25970] [2024-11-16 08:39:26,795 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29482,29495] [2024-11-16 08:39:26,809 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32880,32893] [2024-11-16 08:39:26,827 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36938,36951] [2024-11-16 08:39:26,835 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40412,40425] [2024-11-16 08:39:26,843 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43977,43990] [2024-11-16 08:39:26,851 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47412,47425] [2024-11-16 08:39:26,863 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[51091,51104] [2024-11-16 08:39:26,879 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54693,54706] [2024-11-16 08:39:26,893 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58222,58235] [2024-11-16 08:39:26,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:39:26,954 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 08:39:27,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[18857,18870] [2024-11-16 08:39:27,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[25957,25970] [2024-11-16 08:39:27,026 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[29482,29495] [2024-11-16 08:39:27,033 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32880,32893] [2024-11-16 08:39:27,040 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[36938,36951] [2024-11-16 08:39:27,046 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[40412,40425] [2024-11-16 08:39:27,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[43977,43990] [2024-11-16 08:39:27,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[47412,47425] [2024-11-16 08:39:27,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[51091,51104] [2024-11-16 08:39:27,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[54693,54706] [2024-11-16 08:39:27,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[58222,58235] [2024-11-16 08:39:27,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 08:39:27,122 INFO L204 MainTranslator]: Completed translation [2024-11-16 08:39:27,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27 WrapperNode [2024-11-16 08:39:27,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 08:39:27,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 08:39:27,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 08:39:27,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 08:39:27,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,224 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2971 [2024-11-16 08:39:27,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 08:39:27,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 08:39:27,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 08:39:27,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 08:39:27,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,286 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 08:39:27,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,310 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 08:39:27,331 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 08:39:27,331 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 08:39:27,331 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 08:39:27,332 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (1/1) ... [2024-11-16 08:39:27,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 08:39:27,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:39:27,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 08:39:27,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 08:39:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 08:39:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 08:39:27,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 08:39:27,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 08:39:27,550 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 08:39:27,552 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 08:39:28,986 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: havoc main_~node2____CPAchecker_TMP_0~0#1;havoc main_~node2__m2~0#1; [2024-11-16 08:39:28,987 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2295: havoc main_~__tmp_12~0#1, main_~assert__arg~11#1;havoc main_~check__tmp~15#1;havoc main_~node4__m4~11#1;havoc main_~node3__m3~9#1;havoc main_~node2__m2~8#1;havoc main_~node1__m1~8#1;havoc main_~main____CPAchecker_TMP_0~7#1;havoc main_~__tmp_11~0#1, main_~assert__arg~10#1;havoc main_~check__tmp~14#1; [2024-11-16 08:39:28,987 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1371: havoc main_~node3____CPAchecker_TMP_0~1#1;havoc main_~node3__m3~5#1; [2024-11-16 08:39:28,987 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2430: havoc main_~node3____CPAchecker_TMP_0~2#1;havoc main_~node3__m3~10#1; [2024-11-16 08:39:28,987 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4016: havoc main_~node4____CPAchecker_TMP_0~7#1;havoc main_~node4__m4~21#1; [2024-11-16 08:39:28,988 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1902: havoc main_~node4____CPAchecker_TMP_0~3#1;havoc main_~node4__m4~9#1; [2024-11-16 08:39:28,988 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3488: havoc main_~node3____CPAchecker_TMP_0~3#1;havoc main_~node3__m3~15#1; [2024-11-16 08:39:28,988 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4418: havoc main_~node1__m1~17#1;havoc main_~main____CPAchecker_TMP_0~17#1;havoc main_~__tmp_28~0#1, main_~assert__arg~27#1;havoc main_~check__tmp~31#1;havoc main_~node4__m4~23#1;havoc main_~node3__m3~19#1;havoc main_~node2__m2~17#1;havoc main_~node1__m1~16#1;havoc main_~main____CPAchecker_TMP_0~16#1;havoc main_~__tmp_27~0#1, main_~assert__arg~26#1;havoc main_~check__tmp~30#1; [2024-11-16 08:39:28,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4484: havoc main_~node3__m3~20#1; [2024-11-16 08:39:28,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1247: havoc main_~__tmp_5~0#1, main_~assert__arg~4#1;havoc main_~check__tmp~7#1;havoc main_~node4__m4~5#1;havoc main_~node3__m3~4#1;havoc main_~node2__m2~4#1;havoc main_~node1__m1~4#1;havoc main_~main____CPAchecker_TMP_0~3#1;havoc main_~__tmp_4~0#1, main_~assert__arg~3#1;havoc main_~check__tmp~6#1; [2024-11-16 08:39:28,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4617: havoc main_~node2____CPAchecker_TMP_0~2#1; [2024-11-16 08:39:28,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L720: havoc main_~check__tmp~3#1;havoc main_~node4__m4~2#1;havoc main_~node3__m3~2#1;havoc main_~node2__m2~2#1;havoc main_~node1__m1~2#1;havoc main_~main____CPAchecker_TMP_0~1#1;havoc main_~__tmp_2~0#1, main_~assert__arg~1#1;havoc main_~check__tmp~2#1; [2024-11-16 08:39:28,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L854: havoc main_~node4____CPAchecker_TMP_0~1#1;havoc main_~node4__m4~3#1; [2024-11-16 08:39:28,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc main_~node3____CPAchecker_TMP_0~0#1;havoc main_~node3__m3~0#1; [2024-11-16 08:39:28,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2045: havoc main_~__tmp_10~0#1, main_~assert__arg~9#1;havoc main_~check__tmp~13#1;havoc main_~node4__m4~10#1;havoc main_~node3__m3~8#1;havoc main_~node2__m2~7#1;havoc main_~node1__m1~7#1;havoc main_~main____CPAchecker_TMP_0~6#1;havoc main_~__tmp_9~0#1, main_~assert__arg~8#1;havoc main_~check__tmp~12#1; [2024-11-16 08:39:28,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1781: havoc main_~__tmp_8~0#1, main_~assert__arg~7#1;havoc main_~check__tmp~11#1;havoc main_~node4__m4~8#1;havoc main_~node3__m3~7#1;havoc main_~node2__m2~6#1;havoc main_~node1__m1~6#1;havoc main_~main____CPAchecker_TMP_0~5#1;havoc main_~__tmp_7~0#1, main_~assert__arg~6#1;havoc main_~check__tmp~10#1; [2024-11-16 08:39:28,989 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L989: havoc main_~check__tmp~5#1;havoc main_~node4__m4~4#1;havoc main_~node3__m3~3#1;havoc main_~node2__m2~3#1;havoc main_~node1__m1~3#1;havoc main_~main____CPAchecker_TMP_0~2#1;havoc main_~__tmp_3~0#1, main_~assert__arg~2#1;havoc main_~check__tmp~4#1; [2024-11-16 08:39:28,990 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1388: havoc main_~node4____CPAchecker_TMP_0~2#1;havoc main_~node4__m4~6#1; [2024-11-16 08:39:28,990 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4164: havoc main_~__tmp_26~0#1, main_~assert__arg~25#1;havoc main_~check__tmp~29#1;havoc main_~node4__m4~22#1;havoc main_~node3__m3~18#1;havoc main_~node2__m2~16#1;havoc main_~node1__m1~15#1;havoc main_~main____CPAchecker_TMP_0~15#1;havoc main_~__tmp_25~0#1, main_~assert__arg~24#1;havoc main_~check__tmp~28#1; [2024-11-16 08:39:28,990 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4561: havoc main_~node4____CPAchecker_TMP_0~8#1;havoc main_~node4__m4~24#1; [2024-11-16 08:39:28,990 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2447: havoc main_~node4____CPAchecker_TMP_0~4#1;havoc main_~node4__m4~12#1; [2024-11-16 08:39:28,990 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1523: havoc main_~check__tmp~9#1;havoc main_~node4__m4~7#1;havoc main_~node3__m3~6#1;havoc main_~node2__m2~5#1;havoc main_~node1__m1~5#1;havoc main_~main____CPAchecker_TMP_0~4#1;havoc main_~__tmp_6~0#1, main_~assert__arg~5#1;havoc main_~check__tmp~8#1; [2024-11-16 08:39:28,990 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3505: havoc main_~node4____CPAchecker_TMP_0~6#1;havoc main_~node4__m4~18#1; [2024-11-16 08:39:28,990 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3373: havoc main_~__tmp_20~0#1, main_~assert__arg~19#1;havoc main_~check__tmp~23#1;havoc main_~node4__m4~17#1;havoc main_~node3__m3~14#1;havoc main_~node2__m2~13#1;havoc main_~node1__m1~12#1;havoc main_~main____CPAchecker_TMP_0~11#1;havoc main_~__tmp_19~0#1, main_~assert__arg~18#1;havoc main_~check__tmp~22#1; [2024-11-16 08:39:28,990 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2979: havoc main_~node4____CPAchecker_TMP_0~5#1;havoc main_~node4__m4~15#1; [2024-11-16 08:39:28,990 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3904: havoc main_~__tmp_24~0#1, main_~assert__arg~23#1;havoc main_~check__tmp~27#1;havoc main_~node4__m4~20#1;havoc main_~node3__m3~17#1;havoc main_~node2__m2~15#1;havoc main_~node1__m1~14#1;havoc main_~main____CPAchecker_TMP_0~14#1;havoc main_~__tmp_23~0#1, main_~assert__arg~22#1;havoc main_~check__tmp~26#1; [2024-11-16 08:39:28,991 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L278: havoc main_~node4____CPAchecker_TMP_0~0#1;havoc main_~node4__m4~0#1; [2024-11-16 08:39:28,991 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2857: havoc main_~__tmp_16~0#1, main_~assert__arg~15#1;havoc main_~check__tmp~19#1;havoc main_~node4__m4~14#1;havoc main_~node3__m3~12#1;havoc main_~node2__m2~11#1;havoc main_~node1__m1~10#1;havoc main_~main____CPAchecker_TMP_0~9#1;havoc main_~__tmp_15~0#1, main_~assert__arg~14#1;havoc main_~check__tmp~18#1; [2024-11-16 08:39:28,991 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3122: havoc main_~__tmp_18~0#1, main_~assert__arg~17#1;havoc main_~check__tmp~21#1;havoc main_~node4__m4~16#1;havoc main_~node3__m3~13#1;havoc main_~node2__m2~12#1;havoc main_~node1__m1~11#1;havoc main_~main____CPAchecker_TMP_0~10#1;havoc main_~__tmp_17~0#1, main_~assert__arg~16#1;havoc main_~check__tmp~20#1; [2024-11-16 08:39:28,991 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2596: havoc main_~__tmp_14~0#1, main_~assert__arg~13#1;havoc main_~check__tmp~17#1;havoc main_~node4__m4~13#1;havoc main_~node3__m3~11#1;havoc main_~node2__m2~10#1;havoc main_~node1__m1~9#1;havoc main_~main____CPAchecker_TMP_0~8#1;havoc main_~__tmp_13~0#1, main_~assert__arg~12#1;havoc main_~check__tmp~16#1; [2024-11-16 08:39:28,991 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4645: havoc main_~node1____CPAchecker_TMP_0~1#1; [2024-11-16 08:39:28,991 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L419: havoc main_~check__tmp~1#1;havoc main_~node4__m4~1#1;havoc main_~node3__m3~1#1;havoc main_~node2__m2~1#1;havoc main_~node1__m1~1#1;havoc main_~main____CPAchecker_TMP_0~0#1;havoc main_~__tmp_1~0#1, main_~assert__arg~0#1;havoc main_~check__tmp~0#1; [2024-11-16 08:39:28,991 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3659: havoc main_~main____CPAchecker_TMP_0~13#1;havoc main_~__tmp_22~0#1, main_~assert__arg~21#1;havoc main_~check__tmp~25#1;havoc main_~node4__m4~19#1;havoc main_~node3__m3~16#1;havoc main_~node2__m2~14#1;havoc main_~node1__m1~13#1;havoc main_~main____CPAchecker_TMP_0~12#1;havoc main_~__tmp_21~0#1, main_~assert__arg~20#1;havoc main_~check__tmp~24#1; [2024-11-16 08:39:28,991 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4452: havoc main_~node2__m2~18#1; [2024-11-16 08:39:28,991 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L227: havoc main_~node1____CPAchecker_TMP_0~0#1;havoc main_~node1__m1~0#1;havoc main_~init__tmp~0#1; [2024-11-16 08:39:28,992 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4589: havoc main_~node3____CPAchecker_TMP_0~4#1; [2024-11-16 08:39:28,992 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2413: havoc main_~node2____CPAchecker_TMP_0~1#1;havoc main_~node2__m2~9#1; [2024-11-16 08:39:29,067 INFO L? ?]: Removed 576 outVars from TransFormulas that were not future-live. [2024-11-16 08:39:29,067 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 08:39:29,093 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 08:39:29,096 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 08:39:29,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:39:29 BoogieIcfgContainer [2024-11-16 08:39:29,096 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 08:39:29,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 08:39:29,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 08:39:29,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 08:39:29,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:39:26" (1/3) ... [2024-11-16 08:39:29,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57fdaa26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:39:29, skipping insertion in model container [2024-11-16 08:39:29,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:39:27" (2/3) ... [2024-11-16 08:39:29,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57fdaa26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:39:29, skipping insertion in model container [2024-11-16 08:39:29,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 08:39:29" (3/3) ... [2024-11-16 08:39:29,103 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2024-11-16 08:39:29,114 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 08:39:29,115 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-16 08:39:29,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 08:39:29,172 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;@69fe2578, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 08:39:29,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-11-16 08:39:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 584 states, 572 states have (on average 1.763986013986014) internal successors, (1009), 583 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-16 08:39:29,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:29,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:29,194 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:29,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:29,198 INFO L85 PathProgramCache]: Analyzing trace with hash 326594139, now seen corresponding path program 1 times [2024-11-16 08:39:29,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:29,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974347597] [2024-11-16 08:39:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:29,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:29,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:29,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974347597] [2024-11-16 08:39:29,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974347597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:29,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:29,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:39:29,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724962145] [2024-11-16 08:39:29,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:29,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:39:29,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:29,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:39:29,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:39:29,597 INFO L87 Difference]: Start difference. First operand has 584 states, 572 states have (on average 1.763986013986014) internal successors, (1009), 583 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:29,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:29,952 INFO L93 Difference]: Finished difference Result 730 states and 1231 transitions. [2024-11-16 08:39:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:39:29,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2024-11-16 08:39:29,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:29,964 INFO L225 Difference]: With dead ends: 730 [2024-11-16 08:39:29,964 INFO L226 Difference]: Without dead ends: 416 [2024-11-16 08:39:29,969 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:39:29,973 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 2035 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2035 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:29,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2035 Valid, 466 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:29,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-16 08:39:30,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2024-11-16 08:39:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 405 states have (on average 1.2740740740740741) internal successors, (516), 415 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:30,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 516 transitions. [2024-11-16 08:39:30,029 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 516 transitions. Word has length 60 [2024-11-16 08:39:30,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:30,030 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 516 transitions. [2024-11-16 08:39:30,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:30,030 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 516 transitions. [2024-11-16 08:39:30,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-16 08:39:30,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:30,032 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:30,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 08:39:30,033 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:30,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:30,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1130476820, now seen corresponding path program 1 times [2024-11-16 08:39:30,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:30,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56044683] [2024-11-16 08:39:30,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:30,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:30,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:30,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56044683] [2024-11-16 08:39:30,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56044683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:30,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:30,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:39:30,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432016886] [2024-11-16 08:39:30,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:30,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:39:30,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:30,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:39:30,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:39:30,180 INFO L87 Difference]: Start difference. First operand 416 states and 516 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:30,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:30,430 INFO L93 Difference]: Finished difference Result 595 states and 748 transitions. [2024-11-16 08:39:30,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:39:30,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2024-11-16 08:39:30,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:30,434 INFO L225 Difference]: With dead ends: 595 [2024-11-16 08:39:30,434 INFO L226 Difference]: Without dead ends: 384 [2024-11-16 08:39:30,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:39:30,435 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 1361 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:30,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 273 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:39:30,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-16 08:39:30,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-16 08:39:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 373 states have (on average 1.2841823056300268) internal successors, (479), 383 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 479 transitions. [2024-11-16 08:39:30,458 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 479 transitions. Word has length 60 [2024-11-16 08:39:30,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:30,458 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 479 transitions. [2024-11-16 08:39:30,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 479 transitions. [2024-11-16 08:39:30,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-16 08:39:30,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:30,459 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:30,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 08:39:30,460 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:30,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:30,460 INFO L85 PathProgramCache]: Analyzing trace with hash -364138442, now seen corresponding path program 1 times [2024-11-16 08:39:30,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:30,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123160947] [2024-11-16 08:39:30,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:30,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:30,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:30,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:30,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123160947] [2024-11-16 08:39:30,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123160947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:30,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:30,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:39:30,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564129845] [2024-11-16 08:39:30,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:30,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:39:30,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:30,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:39:30,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:39:30,622 INFO L87 Difference]: Start difference. First operand 384 states and 479 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:30,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:30,917 INFO L93 Difference]: Finished difference Result 722 states and 917 transitions. [2024-11-16 08:39:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:39:30,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2024-11-16 08:39:30,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:30,919 INFO L225 Difference]: With dead ends: 722 [2024-11-16 08:39:30,920 INFO L226 Difference]: Without dead ends: 515 [2024-11-16 08:39:30,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:39:30,921 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 1688 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:30,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 377 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:30,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-16 08:39:30,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 456. [2024-11-16 08:39:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 445 states have (on average 1.3370786516853932) internal successors, (595), 455 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 595 transitions. [2024-11-16 08:39:30,936 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 595 transitions. Word has length 60 [2024-11-16 08:39:30,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:30,938 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 595 transitions. [2024-11-16 08:39:30,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 595 transitions. [2024-11-16 08:39:30,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-16 08:39:30,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:30,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:30,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 08:39:30,939 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:30,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:30,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1826615270, now seen corresponding path program 1 times [2024-11-16 08:39:30,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:30,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283539862] [2024-11-16 08:39:30,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:30,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:31,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:31,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283539862] [2024-11-16 08:39:31,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283539862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:31,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:31,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 08:39:31,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550745978] [2024-11-16 08:39:31,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:31,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 08:39:31,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:31,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 08:39:31,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 08:39:31,090 INFO L87 Difference]: Start difference. First operand 456 states and 595 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:31,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:31,221 INFO L93 Difference]: Finished difference Result 618 states and 806 transitions. [2024-11-16 08:39:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 08:39:31,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2024-11-16 08:39:31,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:31,223 INFO L225 Difference]: With dead ends: 618 [2024-11-16 08:39:31,223 INFO L226 Difference]: Without dead ends: 363 [2024-11-16 08:39:31,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:39:31,224 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 921 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:31,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 212 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:39:31,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-16 08:39:31,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-16 08:39:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 352 states have (on average 1.3409090909090908) internal successors, (472), 362 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 472 transitions. [2024-11-16 08:39:31,233 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 472 transitions. Word has length 62 [2024-11-16 08:39:31,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:31,233 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 472 transitions. [2024-11-16 08:39:31,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:31,234 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 472 transitions. [2024-11-16 08:39:31,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-16 08:39:31,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:31,234 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:31,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 08:39:31,235 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:31,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:31,235 INFO L85 PathProgramCache]: Analyzing trace with hash 350755685, now seen corresponding path program 1 times [2024-11-16 08:39:31,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:31,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738730089] [2024-11-16 08:39:31,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:31,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:31,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:31,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738730089] [2024-11-16 08:39:31,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738730089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:31,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:31,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 08:39:31,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612686307] [2024-11-16 08:39:31,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:31,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 08:39:31,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:31,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 08:39:31,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:39:31,598 INFO L87 Difference]: Start difference. First operand 363 states and 472 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:32,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:32,057 INFO L93 Difference]: Finished difference Result 742 states and 966 transitions. [2024-11-16 08:39:32,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:39:32,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-16 08:39:32,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:32,060 INFO L225 Difference]: With dead ends: 742 [2024-11-16 08:39:32,061 INFO L226 Difference]: Without dead ends: 543 [2024-11-16 08:39:32,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:39:32,063 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 1366 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:32,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 843 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:32,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-16 08:39:32,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 363. [2024-11-16 08:39:32,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 352 states have (on average 1.3380681818181819) internal successors, (471), 362 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 471 transitions. [2024-11-16 08:39:32,072 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 471 transitions. Word has length 64 [2024-11-16 08:39:32,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:32,072 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 471 transitions. [2024-11-16 08:39:32,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 471 transitions. [2024-11-16 08:39:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-16 08:39:32,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:32,073 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:32,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 08:39:32,074 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:32,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:32,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1021598211, now seen corresponding path program 1 times [2024-11-16 08:39:32,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:32,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055499053] [2024-11-16 08:39:32,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:32,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:32,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:32,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055499053] [2024-11-16 08:39:32,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055499053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:32,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:32,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:32,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402295804] [2024-11-16 08:39:32,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:32,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:32,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:32,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:32,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:32,370 INFO L87 Difference]: Start difference. First operand 363 states and 471 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:32,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:32,771 INFO L93 Difference]: Finished difference Result 574 states and 767 transitions. [2024-11-16 08:39:32,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:32,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-16 08:39:32,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:32,773 INFO L225 Difference]: With dead ends: 574 [2024-11-16 08:39:32,773 INFO L226 Difference]: Without dead ends: 424 [2024-11-16 08:39:32,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:32,774 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1078 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:32,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1093 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:32,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-16 08:39:32,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 363. [2024-11-16 08:39:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 352 states have (on average 1.3352272727272727) internal successors, (470), 362 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 470 transitions. [2024-11-16 08:39:32,780 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 470 transitions. Word has length 64 [2024-11-16 08:39:32,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:32,780 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 470 transitions. [2024-11-16 08:39:32,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 470 transitions. [2024-11-16 08:39:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-16 08:39:32,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:32,781 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:32,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 08:39:32,781 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:32,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:32,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1800336091, now seen corresponding path program 1 times [2024-11-16 08:39:32,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:32,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651352472] [2024-11-16 08:39:32,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:32,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:33,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:33,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651352472] [2024-11-16 08:39:33,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651352472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:33,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:33,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:33,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206366855] [2024-11-16 08:39:33,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:33,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:33,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:33,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:33,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:33,025 INFO L87 Difference]: Start difference. First operand 363 states and 470 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:33,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:33,605 INFO L93 Difference]: Finished difference Result 717 states and 955 transitions. [2024-11-16 08:39:33,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:33,605 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-16 08:39:33,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:33,607 INFO L225 Difference]: With dead ends: 717 [2024-11-16 08:39:33,607 INFO L226 Difference]: Without dead ends: 591 [2024-11-16 08:39:33,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:33,608 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 1450 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1450 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:33,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1450 Valid, 1203 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:39:33,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2024-11-16 08:39:33,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 363. [2024-11-16 08:39:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 352 states have (on average 1.3323863636363635) internal successors, (469), 362 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:33,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 469 transitions. [2024-11-16 08:39:33,614 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 469 transitions. Word has length 64 [2024-11-16 08:39:33,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:33,615 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 469 transitions. [2024-11-16 08:39:33,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:33,615 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 469 transitions. [2024-11-16 08:39:33,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 08:39:33,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:33,616 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:33,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 08:39:33,616 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:33,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:33,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1416462302, now seen corresponding path program 1 times [2024-11-16 08:39:33,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:33,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844265811] [2024-11-16 08:39:33,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:33,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:33,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844265811] [2024-11-16 08:39:33,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844265811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:33,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:33,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:33,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899247803] [2024-11-16 08:39:33,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:33,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:33,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:33,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:33,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:33,819 INFO L87 Difference]: Start difference. First operand 363 states and 469 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:34,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:34,212 INFO L93 Difference]: Finished difference Result 685 states and 905 transitions. [2024-11-16 08:39:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:34,212 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-16 08:39:34,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:34,214 INFO L225 Difference]: With dead ends: 685 [2024-11-16 08:39:34,214 INFO L226 Difference]: Without dead ends: 570 [2024-11-16 08:39:34,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:39:34,215 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1770 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:34,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 873 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-16 08:39:34,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 363. [2024-11-16 08:39:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 352 states have (on average 1.3295454545454546) internal successors, (468), 362 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 468 transitions. [2024-11-16 08:39:34,221 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 468 transitions. Word has length 65 [2024-11-16 08:39:34,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:34,221 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 468 transitions. [2024-11-16 08:39:34,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:34,221 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 468 transitions. [2024-11-16 08:39:34,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:39:34,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:34,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:34,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 08:39:34,222 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:34,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:34,222 INFO L85 PathProgramCache]: Analyzing trace with hash -2026286053, now seen corresponding path program 1 times [2024-11-16 08:39:34,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:34,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327420887] [2024-11-16 08:39:34,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:34,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:34,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:34,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327420887] [2024-11-16 08:39:34,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327420887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:34,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:34,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:39:34,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366975958] [2024-11-16 08:39:34,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:34,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:39:34,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:34,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:39:34,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:39:34,581 INFO L87 Difference]: Start difference. First operand 363 states and 468 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:35,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:35,404 INFO L93 Difference]: Finished difference Result 868 states and 1162 transitions. [2024-11-16 08:39:35,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:39:35,405 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-16 08:39:35,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:35,407 INFO L225 Difference]: With dead ends: 868 [2024-11-16 08:39:35,407 INFO L226 Difference]: Without dead ends: 862 [2024-11-16 08:39:35,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-16 08:39:35,408 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 3677 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3677 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:35,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3677 Valid, 1097 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 08:39:35,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-16 08:39:35,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 368. [2024-11-16 08:39:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 357 states have (on average 1.3249299719887955) internal successors, (473), 367 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:35,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 473 transitions. [2024-11-16 08:39:35,418 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 473 transitions. Word has length 66 [2024-11-16 08:39:35,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:35,418 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 473 transitions. [2024-11-16 08:39:35,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:35,419 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 473 transitions. [2024-11-16 08:39:35,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:39:35,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:35,419 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:35,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 08:39:35,420 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:35,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:35,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1783998857, now seen corresponding path program 1 times [2024-11-16 08:39:35,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:35,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112940378] [2024-11-16 08:39:35,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:35,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:35,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:35,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112940378] [2024-11-16 08:39:35,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112940378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:35,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:35,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:39:35,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929837496] [2024-11-16 08:39:35,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:35,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:39:35,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:35,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:39:35,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:39:35,780 INFO L87 Difference]: Start difference. First operand 368 states and 473 transitions. Second operand has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:36,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:36,623 INFO L93 Difference]: Finished difference Result 1099 states and 1503 transitions. [2024-11-16 08:39:36,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:39:36,624 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-16 08:39:36,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:36,626 INFO L225 Difference]: With dead ends: 1099 [2024-11-16 08:39:36,626 INFO L226 Difference]: Without dead ends: 968 [2024-11-16 08:39:36,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-16 08:39:36,627 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 3000 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:36,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 1446 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 08:39:36,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-11-16 08:39:36,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 373. [2024-11-16 08:39:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 362 states have (on average 1.3204419889502763) internal successors, (478), 372 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 478 transitions. [2024-11-16 08:39:36,634 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 478 transitions. Word has length 66 [2024-11-16 08:39:36,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:36,635 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 478 transitions. [2024-11-16 08:39:36,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.5) internal successors, (66), 11 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 478 transitions. [2024-11-16 08:39:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:39:36,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:36,635 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:36,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 08:39:36,636 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:36,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:36,636 INFO L85 PathProgramCache]: Analyzing trace with hash -776005781, now seen corresponding path program 1 times [2024-11-16 08:39:36,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:36,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399425939] [2024-11-16 08:39:36,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:36,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:36,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:36,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:36,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399425939] [2024-11-16 08:39:36,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399425939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:36,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:36,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:36,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136898549] [2024-11-16 08:39:36,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:36,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:36,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:36,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:36,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:36,792 INFO L87 Difference]: Start difference. First operand 373 states and 478 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:37,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:37,127 INFO L93 Difference]: Finished difference Result 693 states and 911 transitions. [2024-11-16 08:39:37,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:37,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-16 08:39:37,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:37,129 INFO L225 Difference]: With dead ends: 693 [2024-11-16 08:39:37,129 INFO L226 Difference]: Without dead ends: 575 [2024-11-16 08:39:37,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:37,130 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 1286 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:37,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1286 Valid, 857 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:39:37,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-16 08:39:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 373. [2024-11-16 08:39:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 362 states have (on average 1.3176795580110496) internal successors, (477), 372 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 477 transitions. [2024-11-16 08:39:37,137 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 477 transitions. Word has length 66 [2024-11-16 08:39:37,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:37,137 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 477 transitions. [2024-11-16 08:39:37,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:37,138 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 477 transitions. [2024-11-16 08:39:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:39:37,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:37,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:37,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 08:39:37,138 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:37,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:37,139 INFO L85 PathProgramCache]: Analyzing trace with hash 477901691, now seen corresponding path program 1 times [2024-11-16 08:39:37,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:37,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758913024] [2024-11-16 08:39:37,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:37,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:37,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:37,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758913024] [2024-11-16 08:39:37,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758913024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:37,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:37,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:37,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406595777] [2024-11-16 08:39:37,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:37,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:37,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:37,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:37,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:37,366 INFO L87 Difference]: Start difference. First operand 373 states and 477 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:37,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:37,769 INFO L93 Difference]: Finished difference Result 675 states and 899 transitions. [2024-11-16 08:39:37,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:39:37,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-16 08:39:37,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:37,771 INFO L225 Difference]: With dead ends: 675 [2024-11-16 08:39:37,771 INFO L226 Difference]: Without dead ends: 492 [2024-11-16 08:39:37,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:39:37,772 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 1118 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:37,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 958 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:37,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-16 08:39:37,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 373. [2024-11-16 08:39:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 362 states have (on average 1.3121546961325967) internal successors, (475), 372 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 475 transitions. [2024-11-16 08:39:37,778 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 475 transitions. Word has length 66 [2024-11-16 08:39:37,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:37,778 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 475 transitions. [2024-11-16 08:39:37,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 475 transitions. [2024-11-16 08:39:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:39:37,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:37,779 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:37,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 08:39:37,779 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:37,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:37,779 INFO L85 PathProgramCache]: Analyzing trace with hash -917538821, now seen corresponding path program 1 times [2024-11-16 08:39:37,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:37,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909595879] [2024-11-16 08:39:37,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:37,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:37,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:37,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909595879] [2024-11-16 08:39:37,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909595879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:37,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:37,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:37,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167819719] [2024-11-16 08:39:37,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:37,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:37,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:37,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:37,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:37,980 INFO L87 Difference]: Start difference. First operand 373 states and 475 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:38,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:38,413 INFO L93 Difference]: Finished difference Result 581 states and 743 transitions. [2024-11-16 08:39:38,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:38,414 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-16 08:39:38,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:38,415 INFO L225 Difference]: With dead ends: 581 [2024-11-16 08:39:38,415 INFO L226 Difference]: Without dead ends: 575 [2024-11-16 08:39:38,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:38,416 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 1097 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:38,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 1216 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:38,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-16 08:39:38,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 373. [2024-11-16 08:39:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 362 states have (on average 1.3066298342541436) internal successors, (473), 372 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 473 transitions. [2024-11-16 08:39:38,423 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 473 transitions. Word has length 66 [2024-11-16 08:39:38,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:38,423 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 473 transitions. [2024-11-16 08:39:38,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 473 transitions. [2024-11-16 08:39:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-16 08:39:38,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:38,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:38,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 08:39:38,424 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:38,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:38,425 INFO L85 PathProgramCache]: Analyzing trace with hash -407158661, now seen corresponding path program 1 times [2024-11-16 08:39:38,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:38,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579998492] [2024-11-16 08:39:38,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:38,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:38,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:38,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579998492] [2024-11-16 08:39:38,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579998492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:38,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:38,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:38,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125977671] [2024-11-16 08:39:38,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:38,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:38,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:38,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:38,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:38,623 INFO L87 Difference]: Start difference. First operand 373 states and 473 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:39,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:39,007 INFO L93 Difference]: Finished difference Result 615 states and 791 transitions. [2024-11-16 08:39:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 08:39:39,007 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-16 08:39:39,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:39,009 INFO L225 Difference]: With dead ends: 615 [2024-11-16 08:39:39,009 INFO L226 Difference]: Without dead ends: 596 [2024-11-16 08:39:39,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-16 08:39:39,010 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 1085 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:39,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 1169 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:39,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-16 08:39:39,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 373. [2024-11-16 08:39:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 362 states have (on average 1.3011049723756907) internal successors, (471), 372 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 471 transitions. [2024-11-16 08:39:39,016 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 471 transitions. Word has length 66 [2024-11-16 08:39:39,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:39,016 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 471 transitions. [2024-11-16 08:39:39,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 471 transitions. [2024-11-16 08:39:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:39,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:39,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:39,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 08:39:39,018 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:39,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:39,018 INFO L85 PathProgramCache]: Analyzing trace with hash -2040742900, now seen corresponding path program 1 times [2024-11-16 08:39:39,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:39,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117261903] [2024-11-16 08:39:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:39,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:40,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:40,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117261903] [2024-11-16 08:39:40,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117261903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:40,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:40,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-16 08:39:40,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841301942] [2024-11-16 08:39:40,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:40,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-16 08:39:40,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:40,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-16 08:39:40,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:39:40,371 INFO L87 Difference]: Start difference. First operand 373 states and 471 transitions. Second operand has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:42,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:42,978 INFO L93 Difference]: Finished difference Result 674 states and 882 transitions. [2024-11-16 08:39:42,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-16 08:39:42,979 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:39:42,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:42,981 INFO L225 Difference]: With dead ends: 674 [2024-11-16 08:39:42,981 INFO L226 Difference]: Without dead ends: 561 [2024-11-16 08:39:42,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=462, Invalid=1794, Unknown=0, NotChecked=0, Total=2256 [2024-11-16 08:39:42,983 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 2101 mSDsluCounter, 4817 mSDsCounter, 0 mSdLazyCounter, 2312 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 5159 SdHoareTripleChecker+Invalid, 2326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:42,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2101 Valid, 5159 Invalid, 2326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2312 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 08:39:42,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-16 08:39:42,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 375. [2024-11-16 08:39:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 364 states have (on average 1.3021978021978022) internal successors, (474), 374 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 474 transitions. [2024-11-16 08:39:42,990 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 474 transitions. Word has length 67 [2024-11-16 08:39:42,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:42,990 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 474 transitions. [2024-11-16 08:39:42,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 474 transitions. [2024-11-16 08:39:42,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:42,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:42,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:42,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 08:39:42,992 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:42,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:42,992 INFO L85 PathProgramCache]: Analyzing trace with hash 167071356, now seen corresponding path program 1 times [2024-11-16 08:39:42,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:42,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166774757] [2024-11-16 08:39:42,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:42,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:44,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:44,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166774757] [2024-11-16 08:39:44,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166774757] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:44,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:44,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-16 08:39:44,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265862034] [2024-11-16 08:39:44,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:44,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-16 08:39:44,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:44,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-16 08:39:44,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=548, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:39:44,292 INFO L87 Difference]: Start difference. First operand 375 states and 474 transitions. Second operand has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:47,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:47,058 INFO L93 Difference]: Finished difference Result 746 states and 977 transitions. [2024-11-16 08:39:47,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-16 08:39:47,058 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:39:47,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:47,060 INFO L225 Difference]: With dead ends: 746 [2024-11-16 08:39:47,060 INFO L226 Difference]: Without dead ends: 630 [2024-11-16 08:39:47,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=465, Invalid=1791, Unknown=0, NotChecked=0, Total=2256 [2024-11-16 08:39:47,061 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 2009 mSDsluCounter, 4923 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 5203 SdHoareTripleChecker+Invalid, 2429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:47,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 5203 Invalid, 2429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2415 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 08:39:47,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-16 08:39:47,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 375. [2024-11-16 08:39:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 364 states have (on average 1.2994505494505495) internal successors, (473), 374 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 473 transitions. [2024-11-16 08:39:47,066 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 473 transitions. Word has length 67 [2024-11-16 08:39:47,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:47,067 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 473 transitions. [2024-11-16 08:39:47,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 473 transitions. [2024-11-16 08:39:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:47,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:47,067 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:47,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 08:39:47,067 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:47,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:47,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2111016870, now seen corresponding path program 1 times [2024-11-16 08:39:47,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:47,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586597038] [2024-11-16 08:39:47,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:47,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:47,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:47,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586597038] [2024-11-16 08:39:47,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586597038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:47,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:47,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:39:47,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382283769] [2024-11-16 08:39:47,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:47,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 08:39:47,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:47,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 08:39:47,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:39:47,510 INFO L87 Difference]: Start difference. First operand 375 states and 473 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:47,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:47,772 INFO L93 Difference]: Finished difference Result 544 states and 719 transitions. [2024-11-16 08:39:47,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 08:39:47,773 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:39:47,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:47,774 INFO L225 Difference]: With dead ends: 544 [2024-11-16 08:39:47,774 INFO L226 Difference]: Without dead ends: 398 [2024-11-16 08:39:47,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-16 08:39:47,774 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 508 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1717 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:47,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1717 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:39:47,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-16 08:39:47,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 341. [2024-11-16 08:39:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 331 states have (on average 1.3051359516616314) internal successors, (432), 340 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 432 transitions. [2024-11-16 08:39:47,779 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 432 transitions. Word has length 67 [2024-11-16 08:39:47,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:47,779 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 432 transitions. [2024-11-16 08:39:47,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 432 transitions. [2024-11-16 08:39:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:47,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:47,780 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:47,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 08:39:47,780 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:47,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:47,780 INFO L85 PathProgramCache]: Analyzing trace with hash -24880972, now seen corresponding path program 1 times [2024-11-16 08:39:47,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:47,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270561202] [2024-11-16 08:39:47,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:47,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:47,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:47,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270561202] [2024-11-16 08:39:47,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270561202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:47,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:47,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:47,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046517032] [2024-11-16 08:39:47,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:47,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:47,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:47,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:47,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:48,000 INFO L87 Difference]: Start difference. First operand 341 states and 432 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:48,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:48,398 INFO L93 Difference]: Finished difference Result 695 states and 915 transitions. [2024-11-16 08:39:48,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:39:48,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:39:48,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:48,400 INFO L225 Difference]: With dead ends: 695 [2024-11-16 08:39:48,400 INFO L226 Difference]: Without dead ends: 564 [2024-11-16 08:39:48,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:39:48,401 INFO L432 NwaCegarLoop]: 287 mSDtfsCounter, 878 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 1206 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:48,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 1206 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:48,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-11-16 08:39:48,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 336. [2024-11-16 08:39:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 326 states have (on average 1.3067484662576687) internal successors, (426), 335 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:48,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 426 transitions. [2024-11-16 08:39:48,405 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 426 transitions. Word has length 67 [2024-11-16 08:39:48,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:48,406 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 426 transitions. [2024-11-16 08:39:48,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:48,406 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 426 transitions. [2024-11-16 08:39:48,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:48,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:48,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:48,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 08:39:48,407 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:48,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:48,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1937185731, now seen corresponding path program 1 times [2024-11-16 08:39:48,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:48,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279875828] [2024-11-16 08:39:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:48,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:49,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:49,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279875828] [2024-11-16 08:39:49,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279875828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:49,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:49,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-16 08:39:49,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254790507] [2024-11-16 08:39:49,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:49,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-16 08:39:49,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:49,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-16 08:39:49,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-11-16 08:39:49,596 INFO L87 Difference]: Start difference. First operand 336 states and 426 transitions. Second operand has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:51,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:51,911 INFO L93 Difference]: Finished difference Result 694 states and 918 transitions. [2024-11-16 08:39:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-16 08:39:51,911 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:39:51,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:51,913 INFO L225 Difference]: With dead ends: 694 [2024-11-16 08:39:51,913 INFO L226 Difference]: Without dead ends: 581 [2024-11-16 08:39:51,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=379, Invalid=1691, Unknown=0, NotChecked=0, Total=2070 [2024-11-16 08:39:51,914 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 1987 mSDsluCounter, 4342 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 4705 SdHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:51,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 4705 Invalid, 2051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 08:39:51,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-16 08:39:51,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 347. [2024-11-16 08:39:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 337 states have (on average 1.3056379821958457) internal successors, (440), 346 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 440 transitions. [2024-11-16 08:39:51,919 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 440 transitions. Word has length 67 [2024-11-16 08:39:51,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:51,919 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 440 transitions. [2024-11-16 08:39:51,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.68) internal successors, (67), 25 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:51,919 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 440 transitions. [2024-11-16 08:39:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 08:39:51,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:51,920 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:51,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 08:39:51,920 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:51,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:51,921 INFO L85 PathProgramCache]: Analyzing trace with hash -2028073108, now seen corresponding path program 1 times [2024-11-16 08:39:51,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:51,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940788250] [2024-11-16 08:39:51,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:51,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:52,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:52,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:52,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940788250] [2024-11-16 08:39:52,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940788250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:52,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:52,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 08:39:52,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584684443] [2024-11-16 08:39:52,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:52,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 08:39:52,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:52,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 08:39:52,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:39:52,296 INFO L87 Difference]: Start difference. First operand 347 states and 440 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:52,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:52,802 INFO L93 Difference]: Finished difference Result 785 states and 1051 transitions. [2024-11-16 08:39:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:39:52,802 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-16 08:39:52,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:52,804 INFO L225 Difference]: With dead ends: 785 [2024-11-16 08:39:52,804 INFO L226 Difference]: Without dead ends: 628 [2024-11-16 08:39:52,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:39:52,805 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 1439 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 2600 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:52,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 2600 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:39:52,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-16 08:39:52,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 302. [2024-11-16 08:39:52,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 295 states have (on average 1.305084745762712) internal successors, (385), 301 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 385 transitions. [2024-11-16 08:39:52,810 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 385 transitions. Word has length 67 [2024-11-16 08:39:52,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:52,810 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 385 transitions. [2024-11-16 08:39:52,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 385 transitions. [2024-11-16 08:39:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 08:39:52,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:52,811 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:52,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 08:39:52,811 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:52,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:52,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2117081714, now seen corresponding path program 1 times [2024-11-16 08:39:52,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:52,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244289111] [2024-11-16 08:39:52,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:52,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:53,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:53,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244289111] [2024-11-16 08:39:53,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244289111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:53,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:53,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 08:39:53,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417175014] [2024-11-16 08:39:53,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:53,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 08:39:53,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:53,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 08:39:53,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-16 08:39:53,123 INFO L87 Difference]: Start difference. First operand 302 states and 385 transitions. Second operand has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:53,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:53,392 INFO L93 Difference]: Finished difference Result 619 states and 825 transitions. [2024-11-16 08:39:53,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:39:53,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-16 08:39:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:53,394 INFO L225 Difference]: With dead ends: 619 [2024-11-16 08:39:53,394 INFO L226 Difference]: Without dead ends: 491 [2024-11-16 08:39:53,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:39:53,395 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 638 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1757 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:53,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1757 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:39:53,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-16 08:39:53,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 279. [2024-11-16 08:39:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 273 states have (on average 1.304029304029304) internal successors, (356), 278 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 356 transitions. [2024-11-16 08:39:53,400 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 356 transitions. Word has length 68 [2024-11-16 08:39:53,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:53,401 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 356 transitions. [2024-11-16 08:39:53,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 356 transitions. [2024-11-16 08:39:53,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 08:39:53,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:53,401 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:53,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 08:39:53,402 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:53,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:53,402 INFO L85 PathProgramCache]: Analyzing trace with hash -578141529, now seen corresponding path program 1 times [2024-11-16 08:39:53,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:53,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513019473] [2024-11-16 08:39:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:53,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:53,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:53,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513019473] [2024-11-16 08:39:53,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513019473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:53,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:53,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:39:53,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712510274] [2024-11-16 08:39:53,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:53,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 08:39:53,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:53,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 08:39:53,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:39:53,706 INFO L87 Difference]: Start difference. First operand 279 states and 356 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:53,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:53,978 INFO L93 Difference]: Finished difference Result 528 states and 708 transitions. [2024-11-16 08:39:53,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:39:53,979 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-16 08:39:53,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:53,980 INFO L225 Difference]: With dead ends: 528 [2024-11-16 08:39:53,980 INFO L226 Difference]: Without dead ends: 385 [2024-11-16 08:39:53,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:39:53,981 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 724 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:53,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 827 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:39:53,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-16 08:39:53,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 248. [2024-11-16 08:39:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 244 states have (on average 1.3114754098360655) internal successors, (320), 247 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 320 transitions. [2024-11-16 08:39:53,985 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 320 transitions. Word has length 68 [2024-11-16 08:39:53,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:53,986 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 320 transitions. [2024-11-16 08:39:53,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:53,986 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 320 transitions. [2024-11-16 08:39:53,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-16 08:39:53,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:53,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:53,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 08:39:53,987 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:53,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:53,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2050163474, now seen corresponding path program 1 times [2024-11-16 08:39:53,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:53,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702637029] [2024-11-16 08:39:53,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:53,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:54,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:54,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702637029] [2024-11-16 08:39:54,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702637029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:54,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:54,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 08:39:54,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294137066] [2024-11-16 08:39:54,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:54,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 08:39:54,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:54,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 08:39:54,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2024-11-16 08:39:54,537 INFO L87 Difference]: Start difference. First operand 248 states and 320 transitions. Second operand has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:55,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:55,430 INFO L93 Difference]: Finished difference Result 647 states and 878 transitions. [2024-11-16 08:39:55,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 08:39:55,430 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-16 08:39:55,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:55,432 INFO L225 Difference]: With dead ends: 647 [2024-11-16 08:39:55,432 INFO L226 Difference]: Without dead ends: 531 [2024-11-16 08:39:55,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2024-11-16 08:39:55,433 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 1559 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1559 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:55,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1559 Valid, 1671 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:55,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-16 08:39:55,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 246. [2024-11-16 08:39:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 242 states have (on average 1.3057851239669422) internal successors, (316), 245 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 316 transitions. [2024-11-16 08:39:55,437 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 316 transitions. Word has length 68 [2024-11-16 08:39:55,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:55,438 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 316 transitions. [2024-11-16 08:39:55,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.25) internal successors, (68), 16 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 316 transitions. [2024-11-16 08:39:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-16 08:39:55,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:55,438 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:55,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 08:39:55,439 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:55,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:55,439 INFO L85 PathProgramCache]: Analyzing trace with hash -871737270, now seen corresponding path program 1 times [2024-11-16 08:39:55,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:55,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30867499] [2024-11-16 08:39:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:55,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:55,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:55,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30867499] [2024-11-16 08:39:55,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30867499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:55,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:55,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 08:39:55,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908538836] [2024-11-16 08:39:55,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:55,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:39:55,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:55,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:39:55,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:39:55,768 INFO L87 Difference]: Start difference. First operand 246 states and 316 transitions. Second operand has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:56,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:56,137 INFO L93 Difference]: Finished difference Result 520 states and 705 transitions. [2024-11-16 08:39:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:39:56,137 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-16 08:39:56,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:56,138 INFO L225 Difference]: With dead ends: 520 [2024-11-16 08:39:56,138 INFO L226 Difference]: Without dead ends: 387 [2024-11-16 08:39:56,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:39:56,139 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 778 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:56,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 1139 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:39:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-16 08:39:56,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 225. [2024-11-16 08:39:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 223 states have (on average 1.295964125560538) internal successors, (289), 224 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 289 transitions. [2024-11-16 08:39:56,143 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 289 transitions. Word has length 69 [2024-11-16 08:39:56,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:56,143 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 289 transitions. [2024-11-16 08:39:56,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.75) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:56,143 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 289 transitions. [2024-11-16 08:39:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-16 08:39:56,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:56,144 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:56,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 08:39:56,144 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:56,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:56,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1184610316, now seen corresponding path program 1 times [2024-11-16 08:39:56,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:56,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329591387] [2024-11-16 08:39:56,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:56,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:56,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:56,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329591387] [2024-11-16 08:39:56,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329591387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:56,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:56,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 08:39:56,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31905654] [2024-11-16 08:39:56,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:56,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:39:56,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:56,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:39:56,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:39:56,387 INFO L87 Difference]: Start difference. First operand 225 states and 289 transitions. Second operand has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:56,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:56,895 INFO L93 Difference]: Finished difference Result 909 states and 1259 transitions. [2024-11-16 08:39:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 08:39:56,895 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-16 08:39:56,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:56,897 INFO L225 Difference]: With dead ends: 909 [2024-11-16 08:39:56,897 INFO L226 Difference]: Without dead ends: 763 [2024-11-16 08:39:56,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-16 08:39:56,898 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 2084 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:56,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 652 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 08:39:56,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-16 08:39:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 235. [2024-11-16 08:39:56,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 233 states have (on average 1.2832618025751072) internal successors, (299), 234 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:56,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 299 transitions. [2024-11-16 08:39:56,903 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 299 transitions. Word has length 70 [2024-11-16 08:39:56,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:56,903 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 299 transitions. [2024-11-16 08:39:56,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.833333333333333) internal successors, (70), 11 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:56,903 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 299 transitions. [2024-11-16 08:39:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 08:39:56,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:56,903 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:56,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 08:39:56,903 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:56,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:56,904 INFO L85 PathProgramCache]: Analyzing trace with hash -928170276, now seen corresponding path program 1 times [2024-11-16 08:39:56,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:56,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291266421] [2024-11-16 08:39:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:56,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:57,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:57,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291266421] [2024-11-16 08:39:57,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291266421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:57,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:57,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:39:57,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586105995] [2024-11-16 08:39:57,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:57,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:39:57,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:57,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:39:57,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:39:57,043 INFO L87 Difference]: Start difference. First operand 235 states and 299 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:57,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:57,350 INFO L93 Difference]: Finished difference Result 537 states and 717 transitions. [2024-11-16 08:39:57,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:39:57,350 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-16 08:39:57,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:57,351 INFO L225 Difference]: With dead ends: 537 [2024-11-16 08:39:57,351 INFO L226 Difference]: Without dead ends: 391 [2024-11-16 08:39:57,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-16 08:39:57,352 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 689 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:57,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 697 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:39:57,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-16 08:39:57,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 225. [2024-11-16 08:39:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 223 states have (on average 1.2869955156950672) internal successors, (287), 224 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 287 transitions. [2024-11-16 08:39:57,356 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 287 transitions. Word has length 71 [2024-11-16 08:39:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:57,356 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 287 transitions. [2024-11-16 08:39:57,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 287 transitions. [2024-11-16 08:39:57,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-16 08:39:57,356 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:57,356 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:57,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 08:39:57,357 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:57,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:57,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1829457485, now seen corresponding path program 1 times [2024-11-16 08:39:57,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:57,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459807667] [2024-11-16 08:39:57,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:57,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:58,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:58,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:58,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459807667] [2024-11-16 08:39:58,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459807667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:58,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:58,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-16 08:39:58,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946760333] [2024-11-16 08:39:58,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:58,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-16 08:39:58,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:58,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-16 08:39:58,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:39:58,310 INFO L87 Difference]: Start difference. First operand 225 states and 287 transitions. Second operand has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:59,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:39:59,272 INFO L93 Difference]: Finished difference Result 373 states and 490 transitions. [2024-11-16 08:39:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-16 08:39:59,273 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-16 08:39:59,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:39:59,274 INFO L225 Difference]: With dead ends: 373 [2024-11-16 08:39:59,274 INFO L226 Difference]: Without dead ends: 367 [2024-11-16 08:39:59,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=275, Invalid=1365, Unknown=0, NotChecked=0, Total=1640 [2024-11-16 08:39:59,279 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 389 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 1801 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 08:39:59,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 1801 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 08:39:59,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-16 08:39:59,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 238. [2024-11-16 08:39:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 236 states have (on average 1.2838983050847457) internal successors, (303), 237 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:59,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 303 transitions. [2024-11-16 08:39:59,291 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 303 transitions. Word has length 72 [2024-11-16 08:39:59,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:39:59,291 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 303 transitions. [2024-11-16 08:39:59,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.130434782608696) internal successors, (72), 23 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:39:59,291 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 303 transitions. [2024-11-16 08:39:59,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-16 08:39:59,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:39:59,291 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:39:59,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 08:39:59,292 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:39:59,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:39:59,292 INFO L85 PathProgramCache]: Analyzing trace with hash -768693525, now seen corresponding path program 1 times [2024-11-16 08:39:59,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:39:59,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027608914] [2024-11-16 08:39:59,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:39:59,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:39:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:39:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:39:59,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:39:59,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027608914] [2024-11-16 08:39:59,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027608914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:39:59,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:39:59,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 08:39:59,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362452015] [2024-11-16 08:39:59,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:39:59,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 08:39:59,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:39:59,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 08:39:59,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:39:59,831 INFO L87 Difference]: Start difference. First operand 238 states and 303 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:00,415 INFO L93 Difference]: Finished difference Result 380 states and 503 transitions. [2024-11-16 08:40:00,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 08:40:00,416 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2024-11-16 08:40:00,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:00,417 INFO L225 Difference]: With dead ends: 380 [2024-11-16 08:40:00,417 INFO L226 Difference]: Without dead ends: 374 [2024-11-16 08:40:00,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2024-11-16 08:40:00,417 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 727 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 1019 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:00,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 1019 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:40:00,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-16 08:40:00,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 219. [2024-11-16 08:40:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.2844036697247707) internal successors, (280), 218 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 280 transitions. [2024-11-16 08:40:00,421 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 280 transitions. Word has length 73 [2024-11-16 08:40:00,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:00,421 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 280 transitions. [2024-11-16 08:40:00,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 280 transitions. [2024-11-16 08:40:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-16 08:40:00,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:00,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:00,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 08:40:00,422 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:00,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:00,422 INFO L85 PathProgramCache]: Analyzing trace with hash 498267034, now seen corresponding path program 1 times [2024-11-16 08:40:00,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:00,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893011443] [2024-11-16 08:40:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:00,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:00,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:00,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893011443] [2024-11-16 08:40:00,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893011443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:00,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:00,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:00,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069895351] [2024-11-16 08:40:00,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:00,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:00,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:00,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:00,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:00,504 INFO L87 Difference]: Start difference. First operand 219 states and 280 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:00,600 INFO L93 Difference]: Finished difference Result 1115 states and 1592 transitions. [2024-11-16 08:40:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:40:00,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-16 08:40:00,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:00,603 INFO L225 Difference]: With dead ends: 1115 [2024-11-16 08:40:00,603 INFO L226 Difference]: Without dead ends: 1003 [2024-11-16 08:40:00,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-16 08:40:00,604 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 801 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:00,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 1396 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:00,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2024-11-16 08:40:00,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 329. [2024-11-16 08:40:00,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 328 states have (on average 1.3384146341463414) internal successors, (439), 328 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 439 transitions. [2024-11-16 08:40:00,610 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 439 transitions. Word has length 96 [2024-11-16 08:40:00,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:00,611 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 439 transitions. [2024-11-16 08:40:00,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,611 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 439 transitions. [2024-11-16 08:40:00,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-16 08:40:00,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:00,612 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:00,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 08:40:00,612 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:00,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:00,612 INFO L85 PathProgramCache]: Analyzing trace with hash -26441002, now seen corresponding path program 1 times [2024-11-16 08:40:00,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:00,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524803687] [2024-11-16 08:40:00,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:00,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:00,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:00,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524803687] [2024-11-16 08:40:00,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524803687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:00,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:00,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:00,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496363345] [2024-11-16 08:40:00,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:00,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:00,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:00,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:00,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:00,698 INFO L87 Difference]: Start difference. First operand 329 states and 439 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:00,774 INFO L93 Difference]: Finished difference Result 1329 states and 1891 transitions. [2024-11-16 08:40:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:00,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-16 08:40:00,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:00,779 INFO L225 Difference]: With dead ends: 1329 [2024-11-16 08:40:00,779 INFO L226 Difference]: Without dead ends: 1107 [2024-11-16 08:40:00,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:40:00,781 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 596 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:00,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 891 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:00,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2024-11-16 08:40:00,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 549. [2024-11-16 08:40:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.385036496350365) internal successors, (759), 548 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 759 transitions. [2024-11-16 08:40:00,791 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 759 transitions. Word has length 98 [2024-11-16 08:40:00,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:00,791 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 759 transitions. [2024-11-16 08:40:00,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 759 transitions. [2024-11-16 08:40:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-16 08:40:00,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:00,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:00,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 08:40:00,793 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:00,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:00,793 INFO L85 PathProgramCache]: Analyzing trace with hash -617014698, now seen corresponding path program 1 times [2024-11-16 08:40:00,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:00,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187266611] [2024-11-16 08:40:00,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:00,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:00,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:00,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187266611] [2024-11-16 08:40:00,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187266611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:00,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:00,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:00,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938520162] [2024-11-16 08:40:00,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:00,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:00,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:00,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:00,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:00,884 INFO L87 Difference]: Start difference. First operand 549 states and 759 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:00,960 INFO L93 Difference]: Finished difference Result 1549 states and 2211 transitions. [2024-11-16 08:40:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:00,961 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-16 08:40:00,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:00,964 INFO L225 Difference]: With dead ends: 1549 [2024-11-16 08:40:00,964 INFO L226 Difference]: Without dead ends: 1327 [2024-11-16 08:40:00,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:40:00,965 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 596 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:00,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 833 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:00,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-16 08:40:00,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 879. [2024-11-16 08:40:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 878 states have (on average 1.4100227790432802) internal successors, (1238), 878 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1238 transitions. [2024-11-16 08:40:00,978 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1238 transitions. Word has length 98 [2024-11-16 08:40:00,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:00,979 INFO L471 AbstractCegarLoop]: Abstraction has 879 states and 1238 transitions. [2024-11-16 08:40:00,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1238 transitions. [2024-11-16 08:40:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-16 08:40:00,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:00,980 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:00,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 08:40:00,980 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:00,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash 590539222, now seen corresponding path program 1 times [2024-11-16 08:40:00,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:00,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772470333] [2024-11-16 08:40:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:00,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:01,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:01,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772470333] [2024-11-16 08:40:01,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772470333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:01,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:01,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:01,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247887077] [2024-11-16 08:40:01,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:01,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:01,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:01,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:01,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:01,073 INFO L87 Difference]: Start difference. First operand 879 states and 1238 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:01,142 INFO L93 Difference]: Finished difference Result 1769 states and 2531 transitions. [2024-11-16 08:40:01,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:01,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-16 08:40:01,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:01,146 INFO L225 Difference]: With dead ends: 1769 [2024-11-16 08:40:01,146 INFO L226 Difference]: Without dead ends: 1547 [2024-11-16 08:40:01,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:40:01,148 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 637 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:01,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 786 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:01,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2024-11-16 08:40:01,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 1099. [2024-11-16 08:40:01,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1098 states have (on average 1.4189435336976322) internal successors, (1558), 1098 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1558 transitions. [2024-11-16 08:40:01,162 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1558 transitions. Word has length 98 [2024-11-16 08:40:01,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:01,162 INFO L471 AbstractCegarLoop]: Abstraction has 1099 states and 1558 transitions. [2024-11-16 08:40:01,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1558 transitions. [2024-11-16 08:40:01,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-16 08:40:01,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:01,164 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:01,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 08:40:01,164 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:01,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:01,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1548648106, now seen corresponding path program 1 times [2024-11-16 08:40:01,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:01,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167361963] [2024-11-16 08:40:01,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:01,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:01,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:01,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:01,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167361963] [2024-11-16 08:40:01,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167361963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:01,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:01,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:01,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13482324] [2024-11-16 08:40:01,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:01,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:01,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:01,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:01,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:01,269 INFO L87 Difference]: Start difference. First operand 1099 states and 1558 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:01,345 INFO L93 Difference]: Finished difference Result 1989 states and 2851 transitions. [2024-11-16 08:40:01,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:01,346 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-16 08:40:01,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:01,350 INFO L225 Difference]: With dead ends: 1989 [2024-11-16 08:40:01,350 INFO L226 Difference]: Without dead ends: 1767 [2024-11-16 08:40:01,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:40:01,351 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 614 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:01,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 844 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:01,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2024-11-16 08:40:01,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1319. [2024-11-16 08:40:01,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1318 states have (on average 1.424886191198786) internal successors, (1878), 1318 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1878 transitions. [2024-11-16 08:40:01,366 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1878 transitions. Word has length 98 [2024-11-16 08:40:01,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:01,367 INFO L471 AbstractCegarLoop]: Abstraction has 1319 states and 1878 transitions. [2024-11-16 08:40:01,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1878 transitions. [2024-11-16 08:40:01,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-16 08:40:01,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:01,368 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:01,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 08:40:01,368 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:01,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:01,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1548913605, now seen corresponding path program 1 times [2024-11-16 08:40:01,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:01,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118309979] [2024-11-16 08:40:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:01,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:01,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118309979] [2024-11-16 08:40:01,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118309979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:01,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:01,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:01,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137178260] [2024-11-16 08:40:01,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:01,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:01,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:01,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:01,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:01,528 INFO L87 Difference]: Start difference. First operand 1319 states and 1878 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:01,600 INFO L93 Difference]: Finished difference Result 2533 states and 3641 transitions. [2024-11-16 08:40:01,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:01,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-16 08:40:01,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:01,603 INFO L225 Difference]: With dead ends: 2533 [2024-11-16 08:40:01,604 INFO L226 Difference]: Without dead ends: 1321 [2024-11-16 08:40:01,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-16 08:40:01,605 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 276 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:01,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 400 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:01,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2024-11-16 08:40:01,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1319. [2024-11-16 08:40:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 1318 states have (on average 1.4157814871016692) internal successors, (1866), 1318 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1866 transitions. [2024-11-16 08:40:01,617 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1866 transitions. Word has length 99 [2024-11-16 08:40:01,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:01,617 INFO L471 AbstractCegarLoop]: Abstraction has 1319 states and 1866 transitions. [2024-11-16 08:40:01,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1866 transitions. [2024-11-16 08:40:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 08:40:01,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:01,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:01,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 08:40:01,619 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:01,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:01,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1944703634, now seen corresponding path program 1 times [2024-11-16 08:40:01,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:01,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380430059] [2024-11-16 08:40:01,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:01,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:01,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:01,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380430059] [2024-11-16 08:40:01,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380430059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:01,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:01,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:01,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198489969] [2024-11-16 08:40:01,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:01,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:40:01,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:01,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:40:01,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:40:01,709 INFO L87 Difference]: Start difference. First operand 1319 states and 1866 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:01,869 INFO L93 Difference]: Finished difference Result 3765 states and 5388 transitions. [2024-11-16 08:40:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 08:40:01,869 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 08:40:01,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:01,879 INFO L225 Difference]: With dead ends: 3765 [2024-11-16 08:40:01,882 INFO L226 Difference]: Without dead ends: 2553 [2024-11-16 08:40:01,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 08:40:01,884 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 768 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:01,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 286 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:01,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2024-11-16 08:40:01,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 1737. [2024-11-16 08:40:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1737 states, 1736 states have (on average 1.391705069124424) internal successors, (2416), 1736 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 2416 transitions. [2024-11-16 08:40:01,903 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 2416 transitions. Word has length 100 [2024-11-16 08:40:01,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:01,903 INFO L471 AbstractCegarLoop]: Abstraction has 1737 states and 2416 transitions. [2024-11-16 08:40:01,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2416 transitions. [2024-11-16 08:40:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 08:40:01,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:01,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:01,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-16 08:40:01,904 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:01,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:01,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1748348526, now seen corresponding path program 1 times [2024-11-16 08:40:01,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:01,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603421074] [2024-11-16 08:40:01,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:01,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:01,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:01,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603421074] [2024-11-16 08:40:01,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603421074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:01,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:01,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:01,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253643740] [2024-11-16 08:40:01,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:01,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:40:01,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:01,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:40:01,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:40:01,995 INFO L87 Difference]: Start difference. First operand 1737 states and 2416 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:02,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:02,197 INFO L93 Difference]: Finished difference Result 6361 states and 9040 transitions. [2024-11-16 08:40:02,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:40:02,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 08:40:02,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:02,205 INFO L225 Difference]: With dead ends: 6361 [2024-11-16 08:40:02,205 INFO L226 Difference]: Without dead ends: 4731 [2024-11-16 08:40:02,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:40:02,207 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 964 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 964 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:02,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [964 Valid, 318 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:02,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4731 states. [2024-11-16 08:40:02,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4731 to 3585. [2024-11-16 08:40:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3585 states, 3584 states have (on average 1.4015066964285714) internal successors, (5023), 3584 states have internal predecessors, (5023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3585 states and 5023 transitions. [2024-11-16 08:40:02,242 INFO L78 Accepts]: Start accepts. Automaton has 3585 states and 5023 transitions. Word has length 100 [2024-11-16 08:40:02,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:02,242 INFO L471 AbstractCegarLoop]: Abstraction has 3585 states and 5023 transitions. [2024-11-16 08:40:02,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 5023 transitions. [2024-11-16 08:40:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 08:40:02,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:02,243 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:02,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-16 08:40:02,244 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:02,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:02,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1225578642, now seen corresponding path program 1 times [2024-11-16 08:40:02,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:02,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798939624] [2024-11-16 08:40:02,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:02,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:02,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:02,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798939624] [2024-11-16 08:40:02,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798939624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:02,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:02,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:02,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41716574] [2024-11-16 08:40:02,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:02,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:40:02,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:02,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:40:02,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:40:02,330 INFO L87 Difference]: Start difference. First operand 3585 states and 5023 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:02,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:02,521 INFO L93 Difference]: Finished difference Result 12389 states and 17565 transitions. [2024-11-16 08:40:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:40:02,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 08:40:02,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:02,538 INFO L225 Difference]: With dead ends: 12389 [2024-11-16 08:40:02,538 INFO L226 Difference]: Without dead ends: 8911 [2024-11-16 08:40:02,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:40:02,543 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 876 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:02,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 318 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:02,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8911 states. [2024-11-16 08:40:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8911 to 7501. [2024-11-16 08:40:02,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7501 states, 7500 states have (on average 1.406) internal successors, (10545), 7500 states have internal predecessors, (10545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:02,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7501 states to 7501 states and 10545 transitions. [2024-11-16 08:40:02,625 INFO L78 Accepts]: Start accepts. Automaton has 7501 states and 10545 transitions. Word has length 100 [2024-11-16 08:40:02,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:02,625 INFO L471 AbstractCegarLoop]: Abstraction has 7501 states and 10545 transitions. [2024-11-16 08:40:02,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 7501 states and 10545 transitions. [2024-11-16 08:40:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 08:40:02,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:02,627 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:02,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-16 08:40:02,627 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:02,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:02,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1252180737, now seen corresponding path program 1 times [2024-11-16 08:40:02,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:02,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705563239] [2024-11-16 08:40:02,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:02,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:02,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:02,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:02,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705563239] [2024-11-16 08:40:02,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705563239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:02,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:02,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:02,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652639088] [2024-11-16 08:40:02,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:02,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 08:40:02,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:02,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 08:40:02,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 08:40:02,732 INFO L87 Difference]: Start difference. First operand 7501 states and 10545 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:02,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:02,931 INFO L93 Difference]: Finished difference Result 24049 states and 34043 transitions. [2024-11-16 08:40:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 08:40:02,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-16 08:40:02,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:02,956 INFO L225 Difference]: With dead ends: 24049 [2024-11-16 08:40:02,956 INFO L226 Difference]: Without dead ends: 16655 [2024-11-16 08:40:02,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-16 08:40:02,965 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 788 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:02,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 318 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 08:40:02,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16655 states. [2024-11-16 08:40:03,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16655 to 15773. [2024-11-16 08:40:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15773 states, 15772 states have (on average 1.4078747146842505) internal successors, (22205), 15772 states have internal predecessors, (22205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15773 states to 15773 states and 22205 transitions. [2024-11-16 08:40:03,227 INFO L78 Accepts]: Start accepts. Automaton has 15773 states and 22205 transitions. Word has length 101 [2024-11-16 08:40:03,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:03,228 INFO L471 AbstractCegarLoop]: Abstraction has 15773 states and 22205 transitions. [2024-11-16 08:40:03,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 15773 states and 22205 transitions. [2024-11-16 08:40:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 08:40:03,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:03,229 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:03,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-16 08:40:03,229 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:03,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:03,230 INFO L85 PathProgramCache]: Analyzing trace with hash -2042508839, now seen corresponding path program 1 times [2024-11-16 08:40:03,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:03,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205714322] [2024-11-16 08:40:03,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:03,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:03,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:03,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205714322] [2024-11-16 08:40:03,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205714322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:03,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:03,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:03,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027736838] [2024-11-16 08:40:03,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:03,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:03,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:03,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:03,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:03,274 INFO L87 Difference]: Start difference. First operand 15773 states and 22205 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:03,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:03,375 INFO L93 Difference]: Finished difference Result 40201 states and 56255 transitions. [2024-11-16 08:40:03,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:03,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2024-11-16 08:40:03,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:03,410 INFO L225 Difference]: With dead ends: 40201 [2024-11-16 08:40:03,410 INFO L226 Difference]: Without dead ends: 24535 [2024-11-16 08:40:03,427 INFO L431 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 [2024-11-16 08:40:03,428 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 69 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:03,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 374 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:03,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24535 states. [2024-11-16 08:40:03,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24535 to 24533. [2024-11-16 08:40:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24533 states, 24532 states have (on average 1.3711478884721995) internal successors, (33637), 24532 states have internal predecessors, (33637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24533 states to 24533 states and 33637 transitions. [2024-11-16 08:40:03,675 INFO L78 Accepts]: Start accepts. Automaton has 24533 states and 33637 transitions. Word has length 101 [2024-11-16 08:40:03,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:03,675 INFO L471 AbstractCegarLoop]: Abstraction has 24533 states and 33637 transitions. [2024-11-16 08:40:03,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 24533 states and 33637 transitions. [2024-11-16 08:40:03,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-16 08:40:03,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:03,677 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:03,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-16 08:40:03,677 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:03,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:03,678 INFO L85 PathProgramCache]: Analyzing trace with hash -605961062, now seen corresponding path program 1 times [2024-11-16 08:40:03,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:03,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376617051] [2024-11-16 08:40:03,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:03,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:03,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:03,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376617051] [2024-11-16 08:40:03,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376617051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:03,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:03,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:03,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85119314] [2024-11-16 08:40:03,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:03,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:03,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:03,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:03,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:03,886 INFO L87 Difference]: Start difference. First operand 24533 states and 33637 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:03,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:03,992 INFO L93 Difference]: Finished difference Result 47993 states and 65663 transitions. [2024-11-16 08:40:03,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:03,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2024-11-16 08:40:03,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:04,023 INFO L225 Difference]: With dead ends: 47993 [2024-11-16 08:40:04,023 INFO L226 Difference]: Without dead ends: 23567 [2024-11-16 08:40:04,044 INFO L431 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 [2024-11-16 08:40:04,044 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 81 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:04,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 345 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:04,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23567 states. [2024-11-16 08:40:04,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23567 to 21221. [2024-11-16 08:40:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21221 states, 21220 states have (on average 1.36875589066918) internal successors, (29045), 21220 states have internal predecessors, (29045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21221 states to 21221 states and 29045 transitions. [2024-11-16 08:40:04,262 INFO L78 Accepts]: Start accepts. Automaton has 21221 states and 29045 transitions. Word has length 102 [2024-11-16 08:40:04,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:04,263 INFO L471 AbstractCegarLoop]: Abstraction has 21221 states and 29045 transitions. [2024-11-16 08:40:04,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 21221 states and 29045 transitions. [2024-11-16 08:40:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 08:40:04,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:04,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:04,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-16 08:40:04,264 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:04,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:04,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1858119531, now seen corresponding path program 1 times [2024-11-16 08:40:04,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:04,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741289168] [2024-11-16 08:40:04,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:04,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:04,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:04,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741289168] [2024-11-16 08:40:04,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741289168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:04,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:04,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:04,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523657511] [2024-11-16 08:40:04,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:04,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:04,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:04,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:04,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:04,310 INFO L87 Difference]: Start difference. First operand 21221 states and 29045 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:04,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:04,471 INFO L93 Difference]: Finished difference Result 42993 states and 58895 transitions. [2024-11-16 08:40:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:04,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-16 08:40:04,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:04,495 INFO L225 Difference]: With dead ends: 42993 [2024-11-16 08:40:04,496 INFO L226 Difference]: Without dead ends: 21879 [2024-11-16 08:40:04,508 INFO L431 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 [2024-11-16 08:40:04,509 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 92 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:04,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 275 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:04,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21879 states. [2024-11-16 08:40:04,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21879 to 21877. [2024-11-16 08:40:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21877 states, 21876 states have (on average 1.355138050831962) internal successors, (29645), 21876 states have internal predecessors, (29645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21877 states to 21877 states and 29645 transitions. [2024-11-16 08:40:04,789 INFO L78 Accepts]: Start accepts. Automaton has 21877 states and 29645 transitions. Word has length 103 [2024-11-16 08:40:04,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:04,789 INFO L471 AbstractCegarLoop]: Abstraction has 21877 states and 29645 transitions. [2024-11-16 08:40:04,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:04,789 INFO L276 IsEmpty]: Start isEmpty. Operand 21877 states and 29645 transitions. [2024-11-16 08:40:04,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-16 08:40:04,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:04,790 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:04,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-16 08:40:04,792 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:04,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:04,792 INFO L85 PathProgramCache]: Analyzing trace with hash 327014696, now seen corresponding path program 1 times [2024-11-16 08:40:04,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:04,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068240228] [2024-11-16 08:40:04,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:04,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:04,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:04,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:04,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068240228] [2024-11-16 08:40:04,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068240228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:04,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:04,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:04,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741965630] [2024-11-16 08:40:04,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:04,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:04,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:04,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:04,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:04,941 INFO L87 Difference]: Start difference. First operand 21877 states and 29645 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:05,067 INFO L93 Difference]: Finished difference Result 42149 states and 56903 transitions. [2024-11-16 08:40:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:05,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2024-11-16 08:40:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:05,095 INFO L225 Difference]: With dead ends: 42149 [2024-11-16 08:40:05,095 INFO L226 Difference]: Without dead ends: 20379 [2024-11-16 08:40:05,113 INFO L431 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 [2024-11-16 08:40:05,114 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 74 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:05,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 345 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20379 states. [2024-11-16 08:40:05,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20379 to 19825. [2024-11-16 08:40:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19825 states, 19824 states have (on average 1.3344935431799838) internal successors, (26455), 19824 states have internal predecessors, (26455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19825 states to 19825 states and 26455 transitions. [2024-11-16 08:40:05,321 INFO L78 Accepts]: Start accepts. Automaton has 19825 states and 26455 transitions. Word has length 103 [2024-11-16 08:40:05,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:05,321 INFO L471 AbstractCegarLoop]: Abstraction has 19825 states and 26455 transitions. [2024-11-16 08:40:05,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 19825 states and 26455 transitions. [2024-11-16 08:40:05,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-16 08:40:05,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:05,322 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:05,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-16 08:40:05,322 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:05,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:05,323 INFO L85 PathProgramCache]: Analyzing trace with hash 58893931, now seen corresponding path program 1 times [2024-11-16 08:40:05,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:05,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190142655] [2024-11-16 08:40:05,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:05,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:05,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:05,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190142655] [2024-11-16 08:40:05,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190142655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:05,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:05,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:05,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455827284] [2024-11-16 08:40:05,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:05,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:05,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:05,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:05,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:05,411 INFO L87 Difference]: Start difference. First operand 19825 states and 26455 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:05,544 INFO L93 Difference]: Finished difference Result 38117 states and 50619 transitions. [2024-11-16 08:40:05,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:05,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2024-11-16 08:40:05,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:05,567 INFO L225 Difference]: With dead ends: 38117 [2024-11-16 08:40:05,568 INFO L226 Difference]: Without dead ends: 18399 [2024-11-16 08:40:05,580 INFO L431 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 [2024-11-16 08:40:05,581 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 67 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:05,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 348 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:05,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18399 states. [2024-11-16 08:40:05,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18399 to 17989. [2024-11-16 08:40:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17989 states, 17988 states have (on average 1.3119301756726707) internal successors, (23599), 17988 states have internal predecessors, (23599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17989 states to 17989 states and 23599 transitions. [2024-11-16 08:40:05,762 INFO L78 Accepts]: Start accepts. Automaton has 17989 states and 23599 transitions. Word has length 104 [2024-11-16 08:40:05,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:05,763 INFO L471 AbstractCegarLoop]: Abstraction has 17989 states and 23599 transitions. [2024-11-16 08:40:05,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 17989 states and 23599 transitions. [2024-11-16 08:40:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-16 08:40:05,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:05,764 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:05,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-16 08:40:05,764 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:05,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:05,765 INFO L85 PathProgramCache]: Analyzing trace with hash 92270972, now seen corresponding path program 1 times [2024-11-16 08:40:05,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:05,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692694647] [2024-11-16 08:40:05,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:05,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:05,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692694647] [2024-11-16 08:40:05,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692694647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:05,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:05,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 08:40:05,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888638570] [2024-11-16 08:40:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:05,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 08:40:05,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:05,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 08:40:05,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 08:40:05,854 INFO L87 Difference]: Start difference. First operand 17989 states and 23599 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:05,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:05,936 INFO L93 Difference]: Finished difference Result 46249 states and 60797 transitions. [2024-11-16 08:40:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 08:40:05,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2024-11-16 08:40:05,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:05,970 INFO L225 Difference]: With dead ends: 46249 [2024-11-16 08:40:05,970 INFO L226 Difference]: Without dead ends: 28367 [2024-11-16 08:40:05,986 INFO L431 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 [2024-11-16 08:40:05,987 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 55 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:05,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 349 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:06,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28367 states. [2024-11-16 08:40:06,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28367 to 26461. [2024-11-16 08:40:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26461 states, 26460 states have (on average 1.3073696145124716) internal successors, (34593), 26460 states have internal predecessors, (34593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26461 states to 26461 states and 34593 transitions. [2024-11-16 08:40:06,253 INFO L78 Accepts]: Start accepts. Automaton has 26461 states and 34593 transitions. Word has length 105 [2024-11-16 08:40:06,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:06,253 INFO L471 AbstractCegarLoop]: Abstraction has 26461 states and 34593 transitions. [2024-11-16 08:40:06,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:06,254 INFO L276 IsEmpty]: Start isEmpty. Operand 26461 states and 34593 transitions. [2024-11-16 08:40:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-16 08:40:06,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:06,254 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:06,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-16 08:40:06,254 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:06,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:06,255 INFO L85 PathProgramCache]: Analyzing trace with hash -286739330, now seen corresponding path program 1 times [2024-11-16 08:40:06,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:06,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769257293] [2024-11-16 08:40:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:06,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:06,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:06,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769257293] [2024-11-16 08:40:06,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769257293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:06,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:06,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 08:40:06,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370903937] [2024-11-16 08:40:06,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:06,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 08:40:06,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:06,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 08:40:06,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 08:40:06,480 INFO L87 Difference]: Start difference. First operand 26461 states and 34593 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:06,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:06,881 INFO L93 Difference]: Finished difference Result 80029 states and 104411 transitions. [2024-11-16 08:40:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 08:40:06,881 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2024-11-16 08:40:06,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:06,941 INFO L225 Difference]: With dead ends: 80029 [2024-11-16 08:40:06,942 INFO L226 Difference]: Without dead ends: 53661 [2024-11-16 08:40:06,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-16 08:40:06,969 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 619 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 619 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:06,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [619 Valid, 631 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 08:40:07,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53661 states. [2024-11-16 08:40:07,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53661 to 26461. [2024-11-16 08:40:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26461 states, 26460 states have (on average 1.3072940287226003) internal successors, (34591), 26460 states have internal predecessors, (34591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:07,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26461 states to 26461 states and 34591 transitions. [2024-11-16 08:40:07,363 INFO L78 Accepts]: Start accepts. Automaton has 26461 states and 34591 transitions. Word has length 106 [2024-11-16 08:40:07,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:07,364 INFO L471 AbstractCegarLoop]: Abstraction has 26461 states and 34591 transitions. [2024-11-16 08:40:07,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 26461 states and 34591 transitions. [2024-11-16 08:40:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-16 08:40:07,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:07,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:07,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-16 08:40:07,365 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:07,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:07,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1741980263, now seen corresponding path program 1 times [2024-11-16 08:40:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:07,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707145811] [2024-11-16 08:40:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:07,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:07,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:07,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707145811] [2024-11-16 08:40:07,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707145811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 08:40:07,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 08:40:07,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 08:40:07,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70308014] [2024-11-16 08:40:07,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 08:40:07,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 08:40:07,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:07,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 08:40:07,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:07,628 INFO L87 Difference]: Start difference. First operand 26461 states and 34591 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:07,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:07,700 INFO L93 Difference]: Finished difference Result 27263 states and 35552 transitions. [2024-11-16 08:40:07,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 08:40:07,700 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2024-11-16 08:40:07,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:07,728 INFO L225 Difference]: With dead ends: 27263 [2024-11-16 08:40:07,729 INFO L226 Difference]: Without dead ends: 27261 [2024-11-16 08:40:07,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 08:40:07,737 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:07,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 788 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 08:40:07,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27261 states. [2024-11-16 08:40:07,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27261 to 27261. [2024-11-16 08:40:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27261 states, 27260 states have (on average 1.2912325752017608) internal successors, (35199), 27260 states have internal predecessors, (35199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27261 states to 27261 states and 35199 transitions. [2024-11-16 08:40:07,988 INFO L78 Accepts]: Start accepts. Automaton has 27261 states and 35199 transitions. Word has length 108 [2024-11-16 08:40:07,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 08:40:07,989 INFO L471 AbstractCegarLoop]: Abstraction has 27261 states and 35199 transitions. [2024-11-16 08:40:07,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:07,989 INFO L276 IsEmpty]: Start isEmpty. Operand 27261 states and 35199 transitions. [2024-11-16 08:40:07,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 08:40:07,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 08:40:07,992 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 08:40:07,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-16 08:40:07,992 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-11-16 08:40:07,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 08:40:07,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1329477555, now seen corresponding path program 1 times [2024-11-16 08:40:07,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 08:40:07,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821923378] [2024-11-16 08:40:07,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:07,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 08:40:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:08,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 08:40:08,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821923378] [2024-11-16 08:40:08,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821923378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 08:40:08,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768490692] [2024-11-16 08:40:08,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 08:40:08,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 08:40:08,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 08:40:08,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 08:40:08,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 08:40:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 08:40:08,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-16 08:40:08,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 08:40:09,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:09,900 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 08:40:11,446 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 08:40:11,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768490692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 08:40:11,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 08:40:11,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 15] total 39 [2024-11-16 08:40:11,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269495419] [2024-11-16 08:40:11,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 08:40:11,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-16 08:40:11,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 08:40:11,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-16 08:40:11,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1354, Unknown=0, NotChecked=0, Total=1482 [2024-11-16 08:40:11,449 INFO L87 Difference]: Start difference. First operand 27261 states and 35199 transitions. Second operand has 39 states, 39 states have (on average 9.615384615384615) internal successors, (375), 39 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 08:40:48,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 08:40:48,166 INFO L93 Difference]: Finished difference Result 511801 states and 657068 transitions. [2024-11-16 08:40:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 429 states. [2024-11-16 08:40:48,166 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 9.615384615384615) internal successors, (375), 39 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2024-11-16 08:40:48,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 08:40:48,920 INFO L225 Difference]: With dead ends: 511801 [2024-11-16 08:40:48,920 INFO L226 Difference]: Without dead ends: 484647 [2024-11-16 08:40:49,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 708 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 464 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98592 ImplicationChecksByTransitivity, 32.0s TimeCoverageRelationStatistics Valid=25918, Invalid=190772, Unknown=0, NotChecked=0, Total=216690 [2024-11-16 08:40:49,043 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 9092 mSDsluCounter, 4939 mSDsCounter, 0 mSdLazyCounter, 6434 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9092 SdHoareTripleChecker+Valid, 5162 SdHoareTripleChecker+Invalid, 6685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 6434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-16 08:40:49,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9092 Valid, 5162 Invalid, 6685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 6434 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-16 08:40:49,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484647 states.