./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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.5.1.ufo.UNBOUNDED.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 0d7ece5c4a9a1765b3b43243827c3f464d1b8786fc999bf2c8e86adac4d3a79a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 16:03:10,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:03:10,726 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:03:10,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:03:10,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:03:10,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:03:10,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:03:10,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:03:10,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:03:10,776 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:03:10,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:03:10,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:03:10,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:03:10,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:03:10,779 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:03:10,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:03:10,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:03:10,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:03:10,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:03:10,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:03:10,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:03:10,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:03:10,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:03:10,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:03:10,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:03:10,785 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:03:10,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:03:10,785 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:03:10,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:03:10,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:03:10,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:03:10,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:03:10,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:03:10,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:03:10,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:03:10,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:03:10,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:03:10,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:03:10,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:03:10,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:03:10,789 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:03:10,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:03:10,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d7ece5c4a9a1765b3b43243827c3f464d1b8786fc999bf2c8e86adac4d3a79a [2024-11-08 16:03:11,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:03:11,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:03:11,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:03:11,091 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:03:11,092 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:03:11,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-08 16:03:12,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:03:12,903 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:03:12,904 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-08 16:03:12,928 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0172530f3/4797978873894807abccb90a53523cfd/FLAG328feb237 [2024-11-08 16:03:12,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0172530f3/4797978873894807abccb90a53523cfd [2024-11-08 16:03:12,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:03:12,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:03:12,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:03:12,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:03:12,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:03:12,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:03:12" (1/1) ... [2024-11-08 16:03:12,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50eb957a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:12, skipping insertion in model container [2024-11-08 16:03:12,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:03:12" (1/1) ... [2024-11-08 16:03:13,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:03:13,519 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33192,33205] [2024-11-08 16:03:13,581 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[47557,47570] [2024-11-08 16:03:13,624 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[54728,54741] [2024-11-08 16:03:13,637 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58287,58300] [2024-11-08 16:03:13,653 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[61647,61660] [2024-11-08 16:03:13,699 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[76934,76947] [2024-11-08 16:03:13,720 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[84100,84113] [2024-11-08 16:03:13,734 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[87654,87667] [2024-11-08 16:03:13,750 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[91009,91022] [2024-11-08 16:03:13,765 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[95142,95155] [2024-11-08 16:03:13,807 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98563,98576] [2024-11-08 16:03:13,828 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[102117,102130] [2024-11-08 16:03:13,860 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[105472,105485] [2024-11-08 16:03:13,872 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[109226,109239] [2024-11-08 16:03:13,882 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[112596,112609] [2024-11-08 16:03:13,889 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116131,116144] [2024-11-08 16:03:13,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:03:13,934 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:03:14,015 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33192,33205] [2024-11-08 16:03:14,045 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[47557,47570] [2024-11-08 16:03:14,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[54728,54741] [2024-11-08 16:03:14,066 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58287,58300] [2024-11-08 16:03:14,073 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[61647,61660] [2024-11-08 16:03:14,098 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[76934,76947] [2024-11-08 16:03:14,114 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[84100,84113] [2024-11-08 16:03:14,121 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[87654,87667] [2024-11-08 16:03:14,127 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[91009,91022] [2024-11-08 16:03:14,135 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[95142,95155] [2024-11-08 16:03:14,142 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98563,98576] [2024-11-08 16:03:14,149 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[102117,102130] [2024-11-08 16:03:14,155 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[105472,105485] [2024-11-08 16:03:14,162 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[109226,109239] [2024-11-08 16:03:14,168 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[112596,112609] [2024-11-08 16:03:14,177 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116131,116144] [2024-11-08 16:03:14,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:03:14,219 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:03:14,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14 WrapperNode [2024-11-08 16:03:14,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:03:14,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:03:14,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:03:14,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:03:14,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,431 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5786 [2024-11-08 16:03:14,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:03:14,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:03:14,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:03:14,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:03:14,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,539 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]. [2024-11-08 16:03:14,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:03:14,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:03:14,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:03:14,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:03:14,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (1/1) ... [2024-11-08 16:03:14,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:03:14,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 16:03:14,729 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) [2024-11-08 16:03:14,733 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 [2024-11-08 16:03:14,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:03:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:03:14,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:03:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:03:14,984 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:03:14,989 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:03:17,837 INFO L? ?]: Removed 1024 outVars from TransFormulas that were not future-live. [2024-11-08 16:03:17,837 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:03:17,876 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:03:17,876 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:03:17,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:03:17 BoogieIcfgContainer [2024-11-08 16:03:17,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:03:17,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:03:17,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:03:17,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:03:17,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:03:12" (1/3) ... [2024-11-08 16:03:17,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9d8c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:03:17, skipping insertion in model container [2024-11-08 16:03:17,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:03:14" (2/3) ... [2024-11-08 16:03:17,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9d8c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:03:17, skipping insertion in model container [2024-11-08 16:03:17,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:03:17" (3/3) ... [2024-11-08 16:03:17,888 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-08 16:03:17,907 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:03:17,907 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-08 16:03:18,015 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:03:18,022 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;@23ed471b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:03:18,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-08 16:03:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 1111 states, 1094 states have (on average 1.8272394881170018) internal successors, (1999), 1110 states have internal predecessors, (1999), 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) [2024-11-08 16:03:18,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 16:03:18,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:18,055 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] [2024-11-08 16:03:18,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:18,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:18,061 INFO L85 PathProgramCache]: Analyzing trace with hash -659325864, now seen corresponding path program 1 times [2024-11-08 16:03:18,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:18,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835229209] [2024-11-08 16:03:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:18,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:18,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835229209] [2024-11-08 16:03:18,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835229209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:18,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:18,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:03:18,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433430806] [2024-11-08 16:03:18,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:18,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:03:18,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:18,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:03:18,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:03:18,751 INFO L87 Difference]: Start difference. First operand has 1111 states, 1094 states have (on average 1.8272394881170018) internal successors, (1999), 1110 states have internal predecessors, (1999), 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 14.4) internal successors, (72), 4 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) [2024-11-08 16:03:19,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:19,999 INFO L93 Difference]: Finished difference Result 1826 states and 3179 transitions. [2024-11-08 16:03:20,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:03:20,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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 [2024-11-08 16:03:20,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:20,032 INFO L225 Difference]: With dead ends: 1826 [2024-11-08 16:03:20,032 INFO L226 Difference]: Without dead ends: 1248 [2024-11-08 16:03:20,040 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 [2024-11-08 16:03:20,046 INFO L432 NwaCegarLoop]: 843 mSDtfsCounter, 5734 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5734 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:20,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5734 Valid, 1188 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 981 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:03:20,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2024-11-08 16:03:20,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1144. [2024-11-08 16:03:20,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 1128 states have (on average 1.3546099290780143) internal successors, (1528), 1143 states have internal predecessors, (1528), 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) [2024-11-08 16:03:20,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1528 transitions. [2024-11-08 16:03:20,163 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1528 transitions. Word has length 72 [2024-11-08 16:03:20,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:20,164 INFO L471 AbstractCegarLoop]: Abstraction has 1144 states and 1528 transitions. [2024-11-08 16:03:20,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2024-11-08 16:03:20,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1528 transitions. [2024-11-08 16:03:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 16:03:20,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:20,171 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] [2024-11-08 16:03:20,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:03:20,172 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:20,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:20,172 INFO L85 PathProgramCache]: Analyzing trace with hash -954340830, now seen corresponding path program 1 times [2024-11-08 16:03:20,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:20,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173001543] [2024-11-08 16:03:20,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:20,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:20,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:20,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:20,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173001543] [2024-11-08 16:03:20,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173001543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:20,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:20,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:03:20,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956843885] [2024-11-08 16:03:20,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:20,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:03:20,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:20,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:03:20,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:03:20,447 INFO L87 Difference]: Start difference. First operand 1144 states and 1528 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2024-11-08 16:03:21,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:21,109 INFO L93 Difference]: Finished difference Result 1575 states and 2120 transitions. [2024-11-08 16:03:21,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:03:21,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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 [2024-11-08 16:03:21,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:21,115 INFO L225 Difference]: With dead ends: 1575 [2024-11-08 16:03:21,115 INFO L226 Difference]: Without dead ends: 1080 [2024-11-08 16:03:21,117 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 [2024-11-08 16:03:21,119 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 3066 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3066 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:21,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3066 Valid, 491 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:03:21,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2024-11-08 16:03:21,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1080. [2024-11-08 16:03:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1080 states, 1064 states have (on average 1.3665413533834587) internal successors, (1454), 1079 states have internal predecessors, (1454), 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) [2024-11-08 16:03:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1454 transitions. [2024-11-08 16:03:21,148 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1454 transitions. Word has length 72 [2024-11-08 16:03:21,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:21,148 INFO L471 AbstractCegarLoop]: Abstraction has 1080 states and 1454 transitions. [2024-11-08 16:03:21,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2024-11-08 16:03:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1454 transitions. [2024-11-08 16:03:21,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 16:03:21,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:21,153 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] [2024-11-08 16:03:21,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:03:21,153 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:21,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:21,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1430025351, now seen corresponding path program 1 times [2024-11-08 16:03:21,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:21,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914633366] [2024-11-08 16:03:21,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:21,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:21,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:21,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914633366] [2024-11-08 16:03:21,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914633366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:21,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:21,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:03:21,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162775979] [2024-11-08 16:03:21,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:21,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:03:21,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:21,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:03:21,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:03:21,345 INFO L87 Difference]: Start difference. First operand 1080 states and 1454 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2024-11-08 16:03:21,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:21,763 INFO L93 Difference]: Finished difference Result 1290 states and 1728 transitions. [2024-11-08 16:03:21,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:03:21,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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 [2024-11-08 16:03:21,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:21,767 INFO L225 Difference]: With dead ends: 1290 [2024-11-08 16:03:21,767 INFO L226 Difference]: Without dead ends: 738 [2024-11-08 16:03:21,769 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 [2024-11-08 16:03:21,772 INFO L432 NwaCegarLoop]: 345 mSDtfsCounter, 2014 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:21,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 373 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:03:21,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-08 16:03:21,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 738. [2024-11-08 16:03:21,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 722 states have (on average 1.373961218836565) internal successors, (992), 737 states have internal predecessors, (992), 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) [2024-11-08 16:03:21,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 992 transitions. [2024-11-08 16:03:21,790 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 992 transitions. Word has length 72 [2024-11-08 16:03:21,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:21,790 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 992 transitions. [2024-11-08 16:03:21,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 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) [2024-11-08 16:03:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 992 transitions. [2024-11-08 16:03:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 16:03:21,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:21,794 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] [2024-11-08 16:03:21,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:03:21,795 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:21,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:21,796 INFO L85 PathProgramCache]: Analyzing trace with hash 463143434, now seen corresponding path program 1 times [2024-11-08 16:03:21,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:21,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311817071] [2024-11-08 16:03:21,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:21,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:22,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:22,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311817071] [2024-11-08 16:03:22,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311817071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:22,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:22,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:03:22,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198991413] [2024-11-08 16:03:22,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:22,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:03:22,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:22,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:03:22,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:03:22,038 INFO L87 Difference]: Start difference. First operand 738 states and 992 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 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) [2024-11-08 16:03:22,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:22,359 INFO L93 Difference]: Finished difference Result 1046 states and 1413 transitions. [2024-11-08 16:03:22,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:03:22,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 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 [2024-11-08 16:03:22,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:22,365 INFO L225 Difference]: With dead ends: 1046 [2024-11-08 16:03:22,366 INFO L226 Difference]: Without dead ends: 637 [2024-11-08 16:03:22,366 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 [2024-11-08 16:03:22,367 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 1738 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1738 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:22,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1738 Valid, 330 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:03:22,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-08 16:03:22,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2024-11-08 16:03:22,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 621 states have (on average 1.3896940418679549) internal successors, (863), 636 states have internal predecessors, (863), 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) [2024-11-08 16:03:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 863 transitions. [2024-11-08 16:03:22,381 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 863 transitions. Word has length 73 [2024-11-08 16:03:22,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:22,382 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 863 transitions. [2024-11-08 16:03:22,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 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) [2024-11-08 16:03:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 863 transitions. [2024-11-08 16:03:22,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 16:03:22,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:22,384 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] [2024-11-08 16:03:22,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:03:22,384 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:22,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:22,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2053820617, now seen corresponding path program 1 times [2024-11-08 16:03:22,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:22,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858334209] [2024-11-08 16:03:22,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:22,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:22,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:22,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858334209] [2024-11-08 16:03:22,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858334209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:22,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:22,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:03:22,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835866437] [2024-11-08 16:03:22,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:22,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:03:22,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:22,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:03:22,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:03:22,567 INFO L87 Difference]: Start difference. First operand 637 states and 863 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-08 16:03:22,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:22,812 INFO L93 Difference]: Finished difference Result 901 states and 1220 transitions. [2024-11-08 16:03:22,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:03:22,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 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 74 [2024-11-08 16:03:22,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:22,815 INFO L225 Difference]: With dead ends: 901 [2024-11-08 16:03:22,815 INFO L226 Difference]: Without dead ends: 543 [2024-11-08 16:03:22,815 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 [2024-11-08 16:03:22,816 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 1448 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:22,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 303 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:03:22,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-08 16:03:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 543. [2024-11-08 16:03:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.396584440227704) internal successors, (736), 542 states have internal predecessors, (736), 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) [2024-11-08 16:03:22,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 736 transitions. [2024-11-08 16:03:22,827 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 736 transitions. Word has length 74 [2024-11-08 16:03:22,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:22,827 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 736 transitions. [2024-11-08 16:03:22,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-08 16:03:22,827 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 736 transitions. [2024-11-08 16:03:22,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 16:03:22,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:22,829 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] [2024-11-08 16:03:22,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:03:22,829 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:22,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:22,830 INFO L85 PathProgramCache]: Analyzing trace with hash 892076084, now seen corresponding path program 1 times [2024-11-08 16:03:22,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:22,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86253638] [2024-11-08 16:03:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:22,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:23,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:23,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86253638] [2024-11-08 16:03:23,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86253638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:23,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:23,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 16:03:23,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850697934] [2024-11-08 16:03:23,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:23,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:03:23,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:23,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:03:23,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 16:03:23,324 INFO L87 Difference]: Start difference. First operand 543 states and 736 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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) [2024-11-08 16:03:24,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:24,196 INFO L93 Difference]: Finished difference Result 859 states and 1162 transitions. [2024-11-08 16:03:24,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:24,197 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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 75 [2024-11-08 16:03:24,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:24,200 INFO L225 Difference]: With dead ends: 859 [2024-11-08 16:03:24,200 INFO L226 Difference]: Without dead ends: 842 [2024-11-08 16:03:24,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:03:24,201 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 2058 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:24,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 1682 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:03:24,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-08 16:03:24,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 543. [2024-11-08 16:03:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3927893738140418) internal successors, (734), 542 states have internal predecessors, (734), 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) [2024-11-08 16:03:24,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 734 transitions. [2024-11-08 16:03:24,212 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 734 transitions. Word has length 75 [2024-11-08 16:03:24,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:24,213 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 734 transitions. [2024-11-08 16:03:24,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 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) [2024-11-08 16:03:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 734 transitions. [2024-11-08 16:03:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 16:03:24,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:24,214 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] [2024-11-08 16:03:24,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:03:24,215 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:24,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:24,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1914357733, now seen corresponding path program 1 times [2024-11-08 16:03:24,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:24,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24365008] [2024-11-08 16:03:24,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:24,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:24,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:24,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24365008] [2024-11-08 16:03:24,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24365008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:24,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:24,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:03:24,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978061224] [2024-11-08 16:03:24,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:24,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:03:24,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:24,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:03:24,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:03:24,580 INFO L87 Difference]: Start difference. First operand 543 states and 734 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 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) [2024-11-08 16:03:25,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:25,188 INFO L93 Difference]: Finished difference Result 1045 states and 1395 transitions. [2024-11-08 16:03:25,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:03:25,189 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 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 75 [2024-11-08 16:03:25,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:25,191 INFO L225 Difference]: With dead ends: 1045 [2024-11-08 16:03:25,191 INFO L226 Difference]: Without dead ends: 771 [2024-11-08 16:03:25,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:03:25,193 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 2071 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:25,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 1138 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:25,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-11-08 16:03:25,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 543. [2024-11-08 16:03:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3908918406072106) internal successors, (733), 542 states have internal predecessors, (733), 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) [2024-11-08 16:03:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 733 transitions. [2024-11-08 16:03:25,205 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 733 transitions. Word has length 75 [2024-11-08 16:03:25,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:25,205 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 733 transitions. [2024-11-08 16:03:25,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 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) [2024-11-08 16:03:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 733 transitions. [2024-11-08 16:03:25,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 16:03:25,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:25,207 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] [2024-11-08 16:03:25,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:03:25,207 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:25,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:25,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1107897332, now seen corresponding path program 1 times [2024-11-08 16:03:25,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:25,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160709107] [2024-11-08 16:03:25,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:25,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:25,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:25,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160709107] [2024-11-08 16:03:25,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160709107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:25,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:25,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:25,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185470235] [2024-11-08 16:03:25,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:25,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:25,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:25,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:25,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:25,531 INFO L87 Difference]: Start difference. First operand 543 states and 733 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 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) [2024-11-08 16:03:26,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:26,226 INFO L93 Difference]: Finished difference Result 984 states and 1347 transitions. [2024-11-08 16:03:26,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:03:26,227 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 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 75 [2024-11-08 16:03:26,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:26,229 INFO L225 Difference]: With dead ends: 984 [2024-11-08 16:03:26,229 INFO L226 Difference]: Without dead ends: 846 [2024-11-08 16:03:26,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:03:26,231 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 2337 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2337 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:26,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2337 Valid, 1220 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:03:26,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-08 16:03:26,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 543. [2024-11-08 16:03:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3889943074003794) internal successors, (732), 542 states have internal predecessors, (732), 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) [2024-11-08 16:03:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 732 transitions. [2024-11-08 16:03:26,246 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 732 transitions. Word has length 75 [2024-11-08 16:03:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:26,246 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 732 transitions. [2024-11-08 16:03:26,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 8 states have internal predecessors, (75), 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) [2024-11-08 16:03:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 732 transitions. [2024-11-08 16:03:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 16:03:26,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:26,250 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] [2024-11-08 16:03:26,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:03:26,251 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:26,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:26,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1055548212, now seen corresponding path program 1 times [2024-11-08 16:03:26,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:26,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626728458] [2024-11-08 16:03:26,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:26,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:26,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:26,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:26,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626728458] [2024-11-08 16:03:26,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626728458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:26,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:26,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:03:26,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223399465] [2024-11-08 16:03:26,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:26,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:03:26,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:26,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:03:26,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:03:26,677 INFO L87 Difference]: Start difference. First operand 543 states and 732 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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) [2024-11-08 16:03:27,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:27,659 INFO L93 Difference]: Finished difference Result 1039 states and 1427 transitions. [2024-11-08 16:03:27,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:03:27,660 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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 75 [2024-11-08 16:03:27,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:27,663 INFO L225 Difference]: With dead ends: 1039 [2024-11-08 16:03:27,663 INFO L226 Difference]: Without dead ends: 879 [2024-11-08 16:03:27,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:03:27,666 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 2752 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2752 SdHoareTripleChecker+Valid, 1925 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:27,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2752 Valid, 1925 Invalid, 1521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:03:27,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2024-11-08 16:03:27,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 546. [2024-11-08 16:03:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3867924528301887) internal successors, (735), 545 states have internal predecessors, (735), 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) [2024-11-08 16:03:27,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 735 transitions. [2024-11-08 16:03:27,679 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 735 transitions. Word has length 75 [2024-11-08 16:03:27,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:27,680 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 735 transitions. [2024-11-08 16:03:27,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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) [2024-11-08 16:03:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 735 transitions. [2024-11-08 16:03:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 16:03:27,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:27,681 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] [2024-11-08 16:03:27,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:03:27,681 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:27,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:27,683 INFO L85 PathProgramCache]: Analyzing trace with hash 130187885, now seen corresponding path program 1 times [2024-11-08 16:03:27,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:27,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476069540] [2024-11-08 16:03:27,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:27,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:28,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:28,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476069540] [2024-11-08 16:03:28,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476069540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:28,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:28,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:03:28,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146530371] [2024-11-08 16:03:28,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:28,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:03:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:28,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:03:28,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:03:28,144 INFO L87 Difference]: Start difference. First operand 546 states and 735 transitions. Second operand has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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) [2024-11-08 16:03:29,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:29,238 INFO L93 Difference]: Finished difference Result 990 states and 1344 transitions. [2024-11-08 16:03:29,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:03:29,238 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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 75 [2024-11-08 16:03:29,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:29,241 INFO L225 Difference]: With dead ends: 990 [2024-11-08 16:03:29,241 INFO L226 Difference]: Without dead ends: 859 [2024-11-08 16:03:29,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:03:29,242 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 1986 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 1737 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 1748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:29,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 1959 Invalid, 1748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1737 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:03:29,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-08 16:03:29,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 556. [2024-11-08 16:03:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 540 states have (on average 1.3888888888888888) internal successors, (750), 555 states have internal predecessors, (750), 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) [2024-11-08 16:03:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 750 transitions. [2024-11-08 16:03:29,256 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 750 transitions. Word has length 75 [2024-11-08 16:03:29,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:29,256 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 750 transitions. [2024-11-08 16:03:29,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.25) internal successors, (75), 11 states have internal predecessors, (75), 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) [2024-11-08 16:03:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 750 transitions. [2024-11-08 16:03:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:03:29,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:29,258 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] [2024-11-08 16:03:29,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 16:03:29,258 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:29,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:29,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1387332566, now seen corresponding path program 1 times [2024-11-08 16:03:29,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:29,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324825702] [2024-11-08 16:03:29,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:29,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:29,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:29,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324825702] [2024-11-08 16:03:29,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324825702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:29,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:29,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:29,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696464676] [2024-11-08 16:03:29,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:29,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:29,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:29,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:29,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:29,595 INFO L87 Difference]: Start difference. First operand 556 states and 750 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:30,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:30,238 INFO L93 Difference]: Finished difference Result 1053 states and 1447 transitions. [2024-11-08 16:03:30,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:30,240 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2024-11-08 16:03:30,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:30,243 INFO L225 Difference]: With dead ends: 1053 [2024-11-08 16:03:30,244 INFO L226 Difference]: Without dead ends: 883 [2024-11-08 16:03:30,244 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 [2024-11-08 16:03:30,245 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 2680 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2680 SdHoareTripleChecker+Valid, 1372 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:30,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2680 Valid, 1372 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:30,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-08 16:03:30,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 556. [2024-11-08 16:03:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 540 states have (on average 1.385185185185185) internal successors, (748), 555 states have internal predecessors, (748), 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) [2024-11-08 16:03:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 748 transitions. [2024-11-08 16:03:30,257 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 748 transitions. Word has length 77 [2024-11-08 16:03:30,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:30,257 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 748 transitions. [2024-11-08 16:03:30,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 748 transitions. [2024-11-08 16:03:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:03:30,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:30,259 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] [2024-11-08 16:03:30,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 16:03:30,259 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:30,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:30,260 INFO L85 PathProgramCache]: Analyzing trace with hash 798728465, now seen corresponding path program 1 times [2024-11-08 16:03:30,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:30,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492758875] [2024-11-08 16:03:30,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:30,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:30,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:30,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492758875] [2024-11-08 16:03:30,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492758875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:30,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:30,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:30,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200687621] [2024-11-08 16:03:30,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:30,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:30,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:30,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:30,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:30,528 INFO L87 Difference]: Start difference. First operand 556 states and 748 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:31,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:31,206 INFO L93 Difference]: Finished difference Result 1003 states and 1370 transitions. [2024-11-08 16:03:31,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:31,206 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2024-11-08 16:03:31,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:31,209 INFO L225 Difference]: With dead ends: 1003 [2024-11-08 16:03:31,209 INFO L226 Difference]: Without dead ends: 859 [2024-11-08 16:03:31,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:03:31,210 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 2702 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2702 SdHoareTripleChecker+Valid, 1319 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:31,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2702 Valid, 1319 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:31,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-08 16:03:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 556. [2024-11-08 16:03:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 540 states have (on average 1.3814814814814815) internal successors, (746), 555 states have internal predecessors, (746), 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) [2024-11-08 16:03:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 746 transitions. [2024-11-08 16:03:31,222 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 746 transitions. Word has length 77 [2024-11-08 16:03:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:31,222 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 746 transitions. [2024-11-08 16:03:31,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 746 transitions. [2024-11-08 16:03:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:03:31,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:31,224 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] [2024-11-08 16:03:31,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 16:03:31,224 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:31,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:31,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1612110043, now seen corresponding path program 1 times [2024-11-08 16:03:31,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:31,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492878640] [2024-11-08 16:03:31,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:31,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:31,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:31,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492878640] [2024-11-08 16:03:31,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492878640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:31,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:31,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:31,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006562654] [2024-11-08 16:03:31,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:31,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:31,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:31,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:31,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:31,447 INFO L87 Difference]: Start difference. First operand 556 states and 746 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:31,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:31,983 INFO L93 Difference]: Finished difference Result 880 states and 1207 transitions. [2024-11-08 16:03:31,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:31,983 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2024-11-08 16:03:31,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:31,985 INFO L225 Difference]: With dead ends: 880 [2024-11-08 16:03:31,985 INFO L226 Difference]: Without dead ends: 624 [2024-11-08 16:03:31,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:03:31,987 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 938 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:31,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 1250 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:03:31,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2024-11-08 16:03:31,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 556. [2024-11-08 16:03:31,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 540 states have (on average 1.3777777777777778) internal successors, (744), 555 states have internal predecessors, (744), 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) [2024-11-08 16:03:31,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 744 transitions. [2024-11-08 16:03:31,996 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 744 transitions. Word has length 77 [2024-11-08 16:03:31,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:31,996 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 744 transitions. [2024-11-08 16:03:31,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:31,997 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 744 transitions. [2024-11-08 16:03:31,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:03:31,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:31,998 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] [2024-11-08 16:03:31,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:03:31,998 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:31,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:31,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1927792199, now seen corresponding path program 1 times [2024-11-08 16:03:31,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:31,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670683428] [2024-11-08 16:03:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:32,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:32,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:32,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670683428] [2024-11-08 16:03:32,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670683428] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:32,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:32,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:32,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785148853] [2024-11-08 16:03:32,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:32,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:32,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:32,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:32,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:32,271 INFO L87 Difference]: Start difference. First operand 556 states and 744 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:33,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:33,049 INFO L93 Difference]: Finished difference Result 1043 states and 1429 transitions. [2024-11-08 16:03:33,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:03:33,049 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2024-11-08 16:03:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:33,051 INFO L225 Difference]: With dead ends: 1043 [2024-11-08 16:03:33,051 INFO L226 Difference]: Without dead ends: 883 [2024-11-08 16:03:33,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:03:33,052 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 1621 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1621 SdHoareTripleChecker+Valid, 2016 SdHoareTripleChecker+Invalid, 1472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:33,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1621 Valid, 2016 Invalid, 1472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:03:33,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-11-08 16:03:33,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 556. [2024-11-08 16:03:33,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 540 states have (on average 1.375925925925926) internal successors, (743), 555 states have internal predecessors, (743), 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) [2024-11-08 16:03:33,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 743 transitions. [2024-11-08 16:03:33,062 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 743 transitions. Word has length 77 [2024-11-08 16:03:33,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:33,063 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 743 transitions. [2024-11-08 16:03:33,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:33,063 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 743 transitions. [2024-11-08 16:03:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:03:33,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:33,064 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] [2024-11-08 16:03:33,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:03:33,065 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:33,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:33,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1181439000, now seen corresponding path program 1 times [2024-11-08 16:03:33,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:33,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961485898] [2024-11-08 16:03:33,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:33,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:33,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:33,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961485898] [2024-11-08 16:03:33,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961485898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:33,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:33,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:33,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091564176] [2024-11-08 16:03:33,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:33,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:33,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:33,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:33,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:33,292 INFO L87 Difference]: Start difference. First operand 556 states and 743 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:33,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:33,968 INFO L93 Difference]: Finished difference Result 970 states and 1312 transitions. [2024-11-08 16:03:33,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:03:33,969 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2024-11-08 16:03:33,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:33,971 INFO L225 Difference]: With dead ends: 970 [2024-11-08 16:03:33,972 INFO L226 Difference]: Without dead ends: 839 [2024-11-08 16:03:33,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:03:33,973 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 1290 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:33,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 1273 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:33,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-08 16:03:33,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 543. [2024-11-08 16:03:33,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3738140417457305) internal successors, (724), 542 states have internal predecessors, (724), 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) [2024-11-08 16:03:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 724 transitions. [2024-11-08 16:03:33,983 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 724 transitions. Word has length 77 [2024-11-08 16:03:33,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:33,984 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 724 transitions. [2024-11-08 16:03:33,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 724 transitions. [2024-11-08 16:03:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:03:33,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:33,985 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] [2024-11-08 16:03:33,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 16:03:33,986 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:33,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:33,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1913205315, now seen corresponding path program 1 times [2024-11-08 16:03:33,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:33,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720139348] [2024-11-08 16:03:33,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:33,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:34,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:34,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720139348] [2024-11-08 16:03:34,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720139348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:34,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:34,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:34,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318648829] [2024-11-08 16:03:34,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:34,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:34,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:34,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:34,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:34,273 INFO L87 Difference]: Start difference. First operand 543 states and 724 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:34,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:34,991 INFO L93 Difference]: Finished difference Result 980 states and 1334 transitions. [2024-11-08 16:03:34,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:34,992 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2024-11-08 16:03:34,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:34,994 INFO L225 Difference]: With dead ends: 980 [2024-11-08 16:03:34,994 INFO L226 Difference]: Without dead ends: 846 [2024-11-08 16:03:34,995 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 [2024-11-08 16:03:34,995 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 2558 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:34,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 1423 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:03:34,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-08 16:03:35,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 543. [2024-11-08 16:03:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3719165085388993) internal successors, (723), 542 states have internal predecessors, (723), 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) [2024-11-08 16:03:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 723 transitions. [2024-11-08 16:03:35,008 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 723 transitions. Word has length 77 [2024-11-08 16:03:35,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:35,008 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 723 transitions. [2024-11-08 16:03:35,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:35,009 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 723 transitions. [2024-11-08 16:03:35,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:03:35,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:35,010 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] [2024-11-08 16:03:35,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 16:03:35,010 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:35,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:35,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1002980647, now seen corresponding path program 1 times [2024-11-08 16:03:35,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:35,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295079945] [2024-11-08 16:03:35,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:35,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:35,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:35,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295079945] [2024-11-08 16:03:35,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295079945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:35,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:35,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:35,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888903812] [2024-11-08 16:03:35,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:35,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:35,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:35,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:35,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:35,280 INFO L87 Difference]: Start difference. First operand 543 states and 723 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:35,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:35,907 INFO L93 Difference]: Finished difference Result 1021 states and 1396 transitions. [2024-11-08 16:03:35,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:35,908 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2024-11-08 16:03:35,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:35,910 INFO L225 Difference]: With dead ends: 1021 [2024-11-08 16:03:35,910 INFO L226 Difference]: Without dead ends: 870 [2024-11-08 16:03:35,910 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 [2024-11-08 16:03:35,911 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 2542 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2542 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:35,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2542 Valid, 1496 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2024-11-08 16:03:35,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 543. [2024-11-08 16:03:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3700189753320684) internal successors, (722), 542 states have internal predecessors, (722), 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) [2024-11-08 16:03:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 722 transitions. [2024-11-08 16:03:35,923 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 722 transitions. Word has length 77 [2024-11-08 16:03:35,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:35,923 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 722 transitions. [2024-11-08 16:03:35,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 722 transitions. [2024-11-08 16:03:35,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 16:03:35,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:35,925 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] [2024-11-08 16:03:35,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 16:03:35,925 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:35,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:35,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1936874287, now seen corresponding path program 1 times [2024-11-08 16:03:35,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:35,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250488347] [2024-11-08 16:03:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:35,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:36,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:36,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250488347] [2024-11-08 16:03:36,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250488347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:36,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:36,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:36,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66518284] [2024-11-08 16:03:36,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:36,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:36,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:36,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:36,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:36,281 INFO L87 Difference]: Start difference. First operand 543 states and 722 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:36,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:36,869 INFO L93 Difference]: Finished difference Result 801 states and 1093 transitions. [2024-11-08 16:03:36,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:36,869 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 77 [2024-11-08 16:03:36,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:36,871 INFO L225 Difference]: With dead ends: 801 [2024-11-08 16:03:36,871 INFO L226 Difference]: Without dead ends: 611 [2024-11-08 16:03:36,871 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 [2024-11-08 16:03:36,872 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 1456 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1456 SdHoareTripleChecker+Valid, 1773 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:36,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1456 Valid, 1773 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:36,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-11-08 16:03:36,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 543. [2024-11-08 16:03:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3681214421252372) internal successors, (721), 542 states have internal predecessors, (721), 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) [2024-11-08 16:03:36,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 721 transitions. [2024-11-08 16:03:36,880 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 721 transitions. Word has length 77 [2024-11-08 16:03:36,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:36,880 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 721 transitions. [2024-11-08 16:03:36,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-08 16:03:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 721 transitions. [2024-11-08 16:03:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:36,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:36,882 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] [2024-11-08 16:03:36,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 16:03:36,882 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:36,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:36,882 INFO L85 PathProgramCache]: Analyzing trace with hash -738667670, now seen corresponding path program 1 times [2024-11-08 16:03:36,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:36,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894469767] [2024-11-08 16:03:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:36,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:37,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:37,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:37,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894469767] [2024-11-08 16:03:37,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894469767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:37,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:37,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:37,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984172625] [2024-11-08 16:03:37,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:37,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:37,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:37,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:37,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:37,135 INFO L87 Difference]: Start difference. First operand 543 states and 721 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:37,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:37,851 INFO L93 Difference]: Finished difference Result 996 states and 1350 transitions. [2024-11-08 16:03:37,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:37,851 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:37,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:37,854 INFO L225 Difference]: With dead ends: 996 [2024-11-08 16:03:37,854 INFO L226 Difference]: Without dead ends: 846 [2024-11-08 16:03:37,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:03:37,855 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 2445 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2445 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:37,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2445 Valid, 1491 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:37,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-08 16:03:37,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 543. [2024-11-08 16:03:37,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.364326375711575) internal successors, (719), 542 states have internal predecessors, (719), 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) [2024-11-08 16:03:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 719 transitions. [2024-11-08 16:03:37,863 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 719 transitions. Word has length 79 [2024-11-08 16:03:37,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:37,863 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 719 transitions. [2024-11-08 16:03:37,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:37,864 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 719 transitions. [2024-11-08 16:03:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:37,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:37,865 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] [2024-11-08 16:03:37,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 16:03:37,865 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:37,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:37,866 INFO L85 PathProgramCache]: Analyzing trace with hash 749865809, now seen corresponding path program 1 times [2024-11-08 16:03:37,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:37,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15892504] [2024-11-08 16:03:37,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:37,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:38,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:38,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:38,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15892504] [2024-11-08 16:03:38,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15892504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:38,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:38,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:38,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387226797] [2024-11-08 16:03:38,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:38,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:38,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:38,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:38,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:38,124 INFO L87 Difference]: Start difference. First operand 543 states and 719 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:38,770 INFO L93 Difference]: Finished difference Result 956 states and 1287 transitions. [2024-11-08 16:03:38,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:38,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:38,772 INFO L225 Difference]: With dead ends: 956 [2024-11-08 16:03:38,772 INFO L226 Difference]: Without dead ends: 822 [2024-11-08 16:03:38,772 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 [2024-11-08 16:03:38,773 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 1724 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1724 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:38,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1724 Valid, 1647 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:38,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-11-08 16:03:38,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 543. [2024-11-08 16:03:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3605313092979128) internal successors, (717), 542 states have internal predecessors, (717), 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) [2024-11-08 16:03:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 717 transitions. [2024-11-08 16:03:38,782 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 717 transitions. Word has length 79 [2024-11-08 16:03:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:38,782 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 717 transitions. [2024-11-08 16:03:38,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 717 transitions. [2024-11-08 16:03:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:38,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:38,784 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] [2024-11-08 16:03:38,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 16:03:38,784 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:38,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:38,784 INFO L85 PathProgramCache]: Analyzing trace with hash 261207811, now seen corresponding path program 1 times [2024-11-08 16:03:38,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:38,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034133291] [2024-11-08 16:03:38,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:38,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:38,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:38,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034133291] [2024-11-08 16:03:38,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034133291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:38,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:38,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:38,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989840550] [2024-11-08 16:03:38,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:38,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:38,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:38,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:38,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:38,992 INFO L87 Difference]: Start difference. First operand 543 states and 717 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:39,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:39,579 INFO L93 Difference]: Finished difference Result 1060 states and 1435 transitions. [2024-11-08 16:03:39,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:03:39,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:39,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:39,582 INFO L225 Difference]: With dead ends: 1060 [2024-11-08 16:03:39,582 INFO L226 Difference]: Without dead ends: 870 [2024-11-08 16:03:39,582 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 [2024-11-08 16:03:39,583 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 1660 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1660 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:39,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1660 Valid, 1677 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:39,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2024-11-08 16:03:39,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 543. [2024-11-08 16:03:39,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3567362428842504) internal successors, (715), 542 states have internal predecessors, (715), 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) [2024-11-08 16:03:39,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 715 transitions. [2024-11-08 16:03:39,591 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 715 transitions. Word has length 79 [2024-11-08 16:03:39,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:39,592 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 715 transitions. [2024-11-08 16:03:39,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 715 transitions. [2024-11-08 16:03:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:39,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:39,593 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:03:39,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 16:03:39,594 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:39,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:39,594 INFO L85 PathProgramCache]: Analyzing trace with hash -439539109, now seen corresponding path program 1 times [2024-11-08 16:03:39,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:39,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985374182] [2024-11-08 16:03:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:39,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:39,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:39,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985374182] [2024-11-08 16:03:39,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985374182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:39,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:39,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:39,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174442667] [2024-11-08 16:03:39,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:39,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:39,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:39,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:39,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:39,834 INFO L87 Difference]: Start difference. First operand 543 states and 715 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:40,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:40,527 INFO L93 Difference]: Finished difference Result 827 states and 1088 transitions. [2024-11-08 16:03:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:40,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:40,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:40,530 INFO L225 Difference]: With dead ends: 827 [2024-11-08 16:03:40,530 INFO L226 Difference]: Without dead ends: 822 [2024-11-08 16:03:40,531 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 [2024-11-08 16:03:40,531 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 1717 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 1102 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 1499 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:40,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 1499 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1102 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:03:40,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-11-08 16:03:40,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 543. [2024-11-08 16:03:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3529411764705883) internal successors, (713), 542 states have internal predecessors, (713), 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) [2024-11-08 16:03:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 713 transitions. [2024-11-08 16:03:40,538 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 713 transitions. Word has length 79 [2024-11-08 16:03:40,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:40,538 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 713 transitions. [2024-11-08 16:03:40,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:40,538 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 713 transitions. [2024-11-08 16:03:40,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:40,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:40,540 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] [2024-11-08 16:03:40,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 16:03:40,540 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:40,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:40,540 INFO L85 PathProgramCache]: Analyzing trace with hash -845454890, now seen corresponding path program 1 times [2024-11-08 16:03:40,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:40,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522601089] [2024-11-08 16:03:40,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:40,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:40,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:40,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522601089] [2024-11-08 16:03:40,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522601089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:40,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:40,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:03:40,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037416183] [2024-11-08 16:03:40,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:40,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:03:40,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:40,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:03:40,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:03:40,980 INFO L87 Difference]: Start difference. First operand 543 states and 713 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 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) [2024-11-08 16:03:41,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:41,909 INFO L93 Difference]: Finished difference Result 1147 states and 1558 transitions. [2024-11-08 16:03:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:03:41,910 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:41,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:41,913 INFO L225 Difference]: With dead ends: 1147 [2024-11-08 16:03:41,913 INFO L226 Difference]: Without dead ends: 1142 [2024-11-08 16:03:41,914 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 [2024-11-08 16:03:41,915 INFO L432 NwaCegarLoop]: 313 mSDtfsCounter, 4025 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4025 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:41,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4025 Valid, 1608 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:03:41,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2024-11-08 16:03:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 551. [2024-11-08 16:03:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.347663551401869) internal successors, (721), 550 states have internal predecessors, (721), 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) [2024-11-08 16:03:41,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 721 transitions. [2024-11-08 16:03:41,924 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 721 transitions. Word has length 79 [2024-11-08 16:03:41,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:41,925 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 721 transitions. [2024-11-08 16:03:41,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 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) [2024-11-08 16:03:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 721 transitions. [2024-11-08 16:03:41,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:41,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:41,926 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] [2024-11-08 16:03:41,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 16:03:41,927 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:41,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:41,927 INFO L85 PathProgramCache]: Analyzing trace with hash 88191580, now seen corresponding path program 1 times [2024-11-08 16:03:41,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:41,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655000204] [2024-11-08 16:03:41,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:41,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:42,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:42,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655000204] [2024-11-08 16:03:42,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655000204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:42,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:42,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:42,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509210167] [2024-11-08 16:03:42,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:42,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:42,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:42,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:42,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:42,206 INFO L87 Difference]: Start difference. First operand 551 states and 721 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:42,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:42,804 INFO L93 Difference]: Finished difference Result 952 states and 1274 transitions. [2024-11-08 16:03:42,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:42,804 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:42,807 INFO L225 Difference]: With dead ends: 952 [2024-11-08 16:03:42,807 INFO L226 Difference]: Without dead ends: 822 [2024-11-08 16:03:42,807 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 [2024-11-08 16:03:42,808 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 2185 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:42,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 1629 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:42,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-11-08 16:03:42,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 551. [2024-11-08 16:03:42,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3439252336448597) internal successors, (719), 550 states have internal predecessors, (719), 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) [2024-11-08 16:03:42,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 719 transitions. [2024-11-08 16:03:42,818 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 719 transitions. Word has length 79 [2024-11-08 16:03:42,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:42,819 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 719 transitions. [2024-11-08 16:03:42,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 719 transitions. [2024-11-08 16:03:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:42,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:42,820 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] [2024-11-08 16:03:42,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 16:03:42,821 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:42,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:42,821 INFO L85 PathProgramCache]: Analyzing trace with hash 310074252, now seen corresponding path program 1 times [2024-11-08 16:03:42,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:42,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693496805] [2024-11-08 16:03:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:42,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:43,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:43,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693496805] [2024-11-08 16:03:43,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693496805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:43,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:43,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:43,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830272586] [2024-11-08 16:03:43,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:43,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:43,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:43,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:43,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:43,158 INFO L87 Difference]: Start difference. First operand 551 states and 719 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:43,715 INFO L93 Difference]: Finished difference Result 953 states and 1273 transitions. [2024-11-08 16:03:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:43,716 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:43,718 INFO L225 Difference]: With dead ends: 953 [2024-11-08 16:03:43,718 INFO L226 Difference]: Without dead ends: 822 [2024-11-08 16:03:43,718 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 [2024-11-08 16:03:43,718 INFO L432 NwaCegarLoop]: 318 mSDtfsCounter, 2180 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:43,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 1629 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:43,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-11-08 16:03:43,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 551. [2024-11-08 16:03:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 535 states have (on average 1.3420560747663552) internal successors, (718), 550 states have internal predecessors, (718), 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) [2024-11-08 16:03:43,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 718 transitions. [2024-11-08 16:03:43,725 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 718 transitions. Word has length 79 [2024-11-08 16:03:43,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:43,726 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 718 transitions. [2024-11-08 16:03:43,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:43,726 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 718 transitions. [2024-11-08 16:03:43,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:43,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:43,727 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] [2024-11-08 16:03:43,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 16:03:43,728 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:43,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:43,728 INFO L85 PathProgramCache]: Analyzing trace with hash -274145819, now seen corresponding path program 1 times [2024-11-08 16:03:43,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:43,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798605630] [2024-11-08 16:03:43,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:43,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:44,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:44,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:44,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798605630] [2024-11-08 16:03:44,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798605630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:44,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:44,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:03:44,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159846993] [2024-11-08 16:03:44,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:44,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:03:44,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:44,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:03:44,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:03:44,125 INFO L87 Difference]: Start difference. First operand 551 states and 718 transitions. Second operand has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 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) [2024-11-08 16:03:45,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:45,069 INFO L93 Difference]: Finished difference Result 1397 states and 1925 transitions. [2024-11-08 16:03:45,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 16:03:45,069 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:45,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:45,072 INFO L225 Difference]: With dead ends: 1397 [2024-11-08 16:03:45,072 INFO L226 Difference]: Without dead ends: 1254 [2024-11-08 16:03:45,073 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 [2024-11-08 16:03:45,073 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 3866 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3866 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:45,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3866 Valid, 1686 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:03:45,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2024-11-08 16:03:45,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 555. [2024-11-08 16:03:45,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.339517625231911) internal successors, (722), 554 states have internal predecessors, (722), 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) [2024-11-08 16:03:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 722 transitions. [2024-11-08 16:03:45,081 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 722 transitions. Word has length 79 [2024-11-08 16:03:45,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:45,082 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 722 transitions. [2024-11-08 16:03:45,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.583333333333333) internal successors, (79), 11 states have internal predecessors, (79), 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) [2024-11-08 16:03:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 722 transitions. [2024-11-08 16:03:45,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:45,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:45,083 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] [2024-11-08 16:03:45,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 16:03:45,083 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:45,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:45,084 INFO L85 PathProgramCache]: Analyzing trace with hash 861543357, now seen corresponding path program 1 times [2024-11-08 16:03:45,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:45,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372001674] [2024-11-08 16:03:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:45,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:45,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:45,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372001674] [2024-11-08 16:03:45,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372001674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:45,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:45,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:45,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46014463] [2024-11-08 16:03:45,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:45,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:45,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:45,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:45,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:45,347 INFO L87 Difference]: Start difference. First operand 555 states and 722 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:45,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:45,946 INFO L93 Difference]: Finished difference Result 954 states and 1273 transitions. [2024-11-08 16:03:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:45,946 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:45,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:45,948 INFO L225 Difference]: With dead ends: 954 [2024-11-08 16:03:45,948 INFO L226 Difference]: Without dead ends: 826 [2024-11-08 16:03:45,949 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 [2024-11-08 16:03:45,949 INFO L432 NwaCegarLoop]: 317 mSDtfsCounter, 2177 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 1625 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:45,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2177 Valid, 1625 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:45,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-08 16:03:45,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 555. [2024-11-08 16:03:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3376623376623376) internal successors, (721), 554 states have internal predecessors, (721), 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) [2024-11-08 16:03:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 721 transitions. [2024-11-08 16:03:45,957 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 721 transitions. Word has length 79 [2024-11-08 16:03:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:45,957 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 721 transitions. [2024-11-08 16:03:45,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 721 transitions. [2024-11-08 16:03:45,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:45,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:45,958 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] [2024-11-08 16:03:45,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-08 16:03:45,958 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:45,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:45,959 INFO L85 PathProgramCache]: Analyzing trace with hash -614427229, now seen corresponding path program 1 times [2024-11-08 16:03:45,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:45,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206644735] [2024-11-08 16:03:45,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:45,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:46,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:46,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:46,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206644735] [2024-11-08 16:03:46,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206644735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:46,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:46,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:46,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376820775] [2024-11-08 16:03:46,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:46,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:46,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:46,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:46,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:46,186 INFO L87 Difference]: Start difference. First operand 555 states and 721 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:46,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:46,813 INFO L93 Difference]: Finished difference Result 992 states and 1326 transitions. [2024-11-08 16:03:46,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:46,814 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:46,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:46,815 INFO L225 Difference]: With dead ends: 992 [2024-11-08 16:03:46,816 INFO L226 Difference]: Without dead ends: 854 [2024-11-08 16:03:46,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:03:46,816 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 2082 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 1258 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2082 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:46,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2082 Valid, 1733 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1258 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:46,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-11-08 16:03:46,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 555. [2024-11-08 16:03:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3358070500927643) internal successors, (720), 554 states have internal predecessors, (720), 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) [2024-11-08 16:03:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 720 transitions. [2024-11-08 16:03:46,822 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 720 transitions. Word has length 79 [2024-11-08 16:03:46,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:46,822 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 720 transitions. [2024-11-08 16:03:46,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 720 transitions. [2024-11-08 16:03:46,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:46,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:46,823 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] [2024-11-08 16:03:46,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-08 16:03:46,823 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:46,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:46,824 INFO L85 PathProgramCache]: Analyzing trace with hash -861388972, now seen corresponding path program 1 times [2024-11-08 16:03:46,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:46,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501924207] [2024-11-08 16:03:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:46,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:47,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:47,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501924207] [2024-11-08 16:03:47,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501924207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:47,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:47,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:47,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030711081] [2024-11-08 16:03:47,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:47,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:47,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:47,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:47,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:47,041 INFO L87 Difference]: Start difference. First operand 555 states and 720 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:47,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:47,564 INFO L93 Difference]: Finished difference Result 831 states and 1083 transitions. [2024-11-08 16:03:47,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:03:47,565 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:47,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:47,567 INFO L225 Difference]: With dead ends: 831 [2024-11-08 16:03:47,567 INFO L226 Difference]: Without dead ends: 826 [2024-11-08 16:03:47,567 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 [2024-11-08 16:03:47,567 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 1214 mSDsluCounter, 1033 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:47,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 1357 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:03:47,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-08 16:03:47,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 555. [2024-11-08 16:03:47,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3339517625231911) internal successors, (719), 554 states have internal predecessors, (719), 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) [2024-11-08 16:03:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 719 transitions. [2024-11-08 16:03:47,575 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 719 transitions. Word has length 79 [2024-11-08 16:03:47,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:47,575 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 719 transitions. [2024-11-08 16:03:47,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 719 transitions. [2024-11-08 16:03:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:47,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:47,577 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] [2024-11-08 16:03:47,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-08 16:03:47,577 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:47,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:47,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1854145171, now seen corresponding path program 1 times [2024-11-08 16:03:47,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:47,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525584096] [2024-11-08 16:03:47,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:47,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:47,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:47,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525584096] [2024-11-08 16:03:47,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525584096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:47,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:47,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:47,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273422767] [2024-11-08 16:03:47,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:47,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:47,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:47,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:47,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:47,810 INFO L87 Difference]: Start difference. First operand 555 states and 719 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:48,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:48,398 INFO L93 Difference]: Finished difference Result 954 states and 1269 transitions. [2024-11-08 16:03:48,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:48,398 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:48,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:48,401 INFO L225 Difference]: With dead ends: 954 [2024-11-08 16:03:48,401 INFO L226 Difference]: Without dead ends: 826 [2024-11-08 16:03:48,401 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 [2024-11-08 16:03:48,402 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 1605 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 1709 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:48,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 1709 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-08 16:03:48,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 555. [2024-11-08 16:03:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3320964749536177) internal successors, (718), 554 states have internal predecessors, (718), 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) [2024-11-08 16:03:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 718 transitions. [2024-11-08 16:03:48,408 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 718 transitions. Word has length 79 [2024-11-08 16:03:48,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:48,408 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 718 transitions. [2024-11-08 16:03:48,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 718 transitions. [2024-11-08 16:03:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 16:03:48,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:48,410 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] [2024-11-08 16:03:48,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-08 16:03:48,410 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:48,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:48,411 INFO L85 PathProgramCache]: Analyzing trace with hash -403243016, now seen corresponding path program 1 times [2024-11-08 16:03:48,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:48,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274159413] [2024-11-08 16:03:48,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:48,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:48,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:48,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274159413] [2024-11-08 16:03:48,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274159413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:48,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:48,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:48,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890662983] [2024-11-08 16:03:48,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:48,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:48,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:48,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:48,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:48,635 INFO L87 Difference]: Start difference. First operand 555 states and 718 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:49,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:49,186 INFO L93 Difference]: Finished difference Result 954 states and 1268 transitions. [2024-11-08 16:03:49,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:03:49,187 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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 79 [2024-11-08 16:03:49,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:49,189 INFO L225 Difference]: With dead ends: 954 [2024-11-08 16:03:49,189 INFO L226 Difference]: Without dead ends: 826 [2024-11-08 16:03:49,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:03:49,190 INFO L432 NwaCegarLoop]: 325 mSDtfsCounter, 1685 mSDsluCounter, 1325 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1685 SdHoareTripleChecker+Valid, 1650 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:49,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1685 Valid, 1650 Invalid, 1187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:49,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-08 16:03:49,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 555. [2024-11-08 16:03:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 539 states have (on average 1.3302411873840445) internal successors, (717), 554 states have internal predecessors, (717), 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) [2024-11-08 16:03:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 717 transitions. [2024-11-08 16:03:49,198 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 717 transitions. Word has length 79 [2024-11-08 16:03:49,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:49,198 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 717 transitions. [2024-11-08 16:03:49,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 8 states have internal predecessors, (79), 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) [2024-11-08 16:03:49,199 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 717 transitions. [2024-11-08 16:03:49,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 16:03:49,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:49,200 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] [2024-11-08 16:03:49,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-08 16:03:49,200 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:49,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:49,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1967609083, now seen corresponding path program 1 times [2024-11-08 16:03:49,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:49,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189834697] [2024-11-08 16:03:49,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:49,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:49,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:49,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189834697] [2024-11-08 16:03:49,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189834697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:49,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:49,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:49,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141012665] [2024-11-08 16:03:49,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:49,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:49,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:49,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:49,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:49,403 INFO L87 Difference]: Start difference. First operand 555 states and 717 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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) [2024-11-08 16:03:49,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:49,923 INFO L93 Difference]: Finished difference Result 831 states and 1078 transitions. [2024-11-08 16:03:49,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:03:49,923 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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 80 [2024-11-08 16:03:49,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:49,926 INFO L225 Difference]: With dead ends: 831 [2024-11-08 16:03:49,926 INFO L226 Difference]: Without dead ends: 826 [2024-11-08 16:03:49,926 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 [2024-11-08 16:03:49,927 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 1203 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:49,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 1369 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:03:49,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-08 16:03:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 547. [2024-11-08 16:03:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 531 states have (on average 1.3314500941619585) internal successors, (707), 546 states have internal predecessors, (707), 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) [2024-11-08 16:03:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 707 transitions. [2024-11-08 16:03:49,935 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 707 transitions. Word has length 80 [2024-11-08 16:03:49,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:49,935 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 707 transitions. [2024-11-08 16:03:49,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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) [2024-11-08 16:03:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 707 transitions. [2024-11-08 16:03:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 16:03:49,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:49,936 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] [2024-11-08 16:03:49,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-08 16:03:49,937 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:49,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:49,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1300130107, now seen corresponding path program 1 times [2024-11-08 16:03:49,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:49,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870845739] [2024-11-08 16:03:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:49,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:50,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:50,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870845739] [2024-11-08 16:03:50,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870845739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:50,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:50,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:50,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078379691] [2024-11-08 16:03:50,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:50,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:50,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:50,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:50,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:50,142 INFO L87 Difference]: Start difference. First operand 547 states and 707 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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) [2024-11-08 16:03:50,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:50,717 INFO L93 Difference]: Finished difference Result 989 states and 1315 transitions. [2024-11-08 16:03:50,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:03:50,717 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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 80 [2024-11-08 16:03:50,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:50,719 INFO L225 Difference]: With dead ends: 989 [2024-11-08 16:03:50,719 INFO L226 Difference]: Without dead ends: 846 [2024-11-08 16:03:50,720 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 [2024-11-08 16:03:50,720 INFO L432 NwaCegarLoop]: 378 mSDtfsCounter, 2207 mSDsluCounter, 1222 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2207 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:50,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2207 Valid, 1600 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:03:50,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-08 16:03:50,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 543. [2024-11-08 16:03:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 527 states have (on average 1.3320683111954459) internal successors, (702), 542 states have internal predecessors, (702), 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) [2024-11-08 16:03:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 702 transitions. [2024-11-08 16:03:50,729 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 702 transitions. Word has length 80 [2024-11-08 16:03:50,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:50,729 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 702 transitions. [2024-11-08 16:03:50,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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) [2024-11-08 16:03:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 702 transitions. [2024-11-08 16:03:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 16:03:50,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:50,730 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] [2024-11-08 16:03:50,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-08 16:03:50,730 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:50,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1565003779, now seen corresponding path program 1 times [2024-11-08 16:03:50,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:50,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174738647] [2024-11-08 16:03:50,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:50,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:50,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:50,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174738647] [2024-11-08 16:03:50,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174738647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:50,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:50,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:03:50,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691350511] [2024-11-08 16:03:50,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:50,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:03:50,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:50,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:03:50,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:03:50,984 INFO L87 Difference]: Start difference. First operand 543 states and 702 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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) [2024-11-08 16:03:51,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:51,690 INFO L93 Difference]: Finished difference Result 948 states and 1257 transitions. [2024-11-08 16:03:51,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:03:51,691 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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 80 [2024-11-08 16:03:51,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:51,692 INFO L225 Difference]: With dead ends: 948 [2024-11-08 16:03:51,692 INFO L226 Difference]: Without dead ends: 821 [2024-11-08 16:03:51,693 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 [2024-11-08 16:03:51,694 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 2105 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 1725 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:51,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 1725 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:03:51,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-08 16:03:51,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 542. [2024-11-08 16:03:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3307984790874525) internal successors, (700), 541 states have internal predecessors, (700), 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) [2024-11-08 16:03:51,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 700 transitions. [2024-11-08 16:03:51,701 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 700 transitions. Word has length 80 [2024-11-08 16:03:51,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:51,702 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 700 transitions. [2024-11-08 16:03:51,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 8 states have internal predecessors, (80), 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) [2024-11-08 16:03:51,702 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 700 transitions. [2024-11-08 16:03:51,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:03:51,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:51,703 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] [2024-11-08 16:03:51,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-08 16:03:51,703 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:51,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:51,704 INFO L85 PathProgramCache]: Analyzing trace with hash 484129246, now seen corresponding path program 1 times [2024-11-08 16:03:51,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:51,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611527539] [2024-11-08 16:03:51,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:51,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:52,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:52,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611527539] [2024-11-08 16:03:52,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611527539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:52,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:52,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 16:03:52,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536840152] [2024-11-08 16:03:52,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:52,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 16:03:52,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:52,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 16:03:52,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:03:52,488 INFO L87 Difference]: Start difference. First operand 542 states and 700 transitions. Second operand has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 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) [2024-11-08 16:03:53,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:53,832 INFO L93 Difference]: Finished difference Result 1179 states and 1544 transitions. [2024-11-08 16:03:53,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:03:53,833 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 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 81 [2024-11-08 16:03:53,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:53,834 INFO L225 Difference]: With dead ends: 1179 [2024-11-08 16:03:53,834 INFO L226 Difference]: Without dead ends: 1049 [2024-11-08 16:03:53,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:03:53,835 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 3552 mSDsluCounter, 3391 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 3944 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:53,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 3944 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:03:53,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-08 16:03:53,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 540. [2024-11-08 16:03:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 524 states have (on average 1.3282442748091603) internal successors, (696), 539 states have internal predecessors, (696), 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) [2024-11-08 16:03:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 696 transitions. [2024-11-08 16:03:53,844 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 696 transitions. Word has length 81 [2024-11-08 16:03:53,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:53,845 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 696 transitions. [2024-11-08 16:03:53,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.0625) internal successors, (81), 16 states have internal predecessors, (81), 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) [2024-11-08 16:03:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 696 transitions. [2024-11-08 16:03:53,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:03:53,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:53,846 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] [2024-11-08 16:03:53,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-08 16:03:53,846 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:53,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:53,846 INFO L85 PathProgramCache]: Analyzing trace with hash 852624389, now seen corresponding path program 1 times [2024-11-08 16:03:53,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:53,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236308616] [2024-11-08 16:03:53,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:53,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:54,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:54,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236308616] [2024-11-08 16:03:54,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236308616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:54,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:54,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:03:54,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45661110] [2024-11-08 16:03:54,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:54,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:03:54,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:54,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:03:54,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:03:54,379 INFO L87 Difference]: Start difference. First operand 540 states and 696 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 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) [2024-11-08 16:03:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:54,981 INFO L93 Difference]: Finished difference Result 933 states and 1250 transitions. [2024-11-08 16:03:54,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:03:54,981 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 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 81 [2024-11-08 16:03:54,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:54,982 INFO L225 Difference]: With dead ends: 933 [2024-11-08 16:03:54,982 INFO L226 Difference]: Without dead ends: 753 [2024-11-08 16:03:54,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:03:54,983 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 2293 mSDsluCounter, 2315 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 2828 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:54,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2293 Valid, 2828 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 16:03:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-08 16:03:54,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 486. [2024-11-08 16:03:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 473 states have (on average 1.3213530655391121) internal successors, (625), 485 states have internal predecessors, (625), 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) [2024-11-08 16:03:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 625 transitions. [2024-11-08 16:03:54,989 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 625 transitions. Word has length 81 [2024-11-08 16:03:54,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:54,989 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 625 transitions. [2024-11-08 16:03:54,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 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) [2024-11-08 16:03:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 625 transitions. [2024-11-08 16:03:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:03:54,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:54,990 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] [2024-11-08 16:03:54,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-08 16:03:54,991 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:54,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:54,991 INFO L85 PathProgramCache]: Analyzing trace with hash 295761583, now seen corresponding path program 1 times [2024-11-08 16:03:54,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:54,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880319440] [2024-11-08 16:03:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:54,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:03:56,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:03:56,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:03:56,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880319440] [2024-11-08 16:03:56,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880319440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:03:56,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:03:56,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-11-08 16:03:56,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156053375] [2024-11-08 16:03:56,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:03:56,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-08 16:03:56,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:03:56,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-08 16:03:56,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:03:56,511 INFO L87 Difference]: Start difference. First operand 486 states and 625 transitions. Second operand has 25 states, 25 states have (on average 3.24) internal successors, (81), 25 states have internal predecessors, (81), 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) [2024-11-08 16:03:59,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:03:59,553 INFO L93 Difference]: Finished difference Result 1175 states and 1558 transitions. [2024-11-08 16:03:59,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 16:03:59,553 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.24) internal successors, (81), 25 states have internal predecessors, (81), 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 81 [2024-11-08 16:03:59,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:03:59,555 INFO L225 Difference]: With dead ends: 1175 [2024-11-08 16:03:59,555 INFO L226 Difference]: Without dead ends: 1020 [2024-11-08 16:03:59,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=386, Invalid=1776, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 16:03:59,556 INFO L432 NwaCegarLoop]: 734 mSDtfsCounter, 2350 mSDsluCounter, 9265 mSDsCounter, 0 mSdLazyCounter, 4158 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 9999 SdHoareTripleChecker+Invalid, 4169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 4158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:03:59,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 9999 Invalid, 4169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 4158 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 16:03:59,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2024-11-08 16:03:59,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 492. [2024-11-08 16:03:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 479 states have (on average 1.3173277661795406) internal successors, (631), 491 states have internal predecessors, (631), 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) [2024-11-08 16:03:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 631 transitions. [2024-11-08 16:03:59,563 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 631 transitions. Word has length 81 [2024-11-08 16:03:59,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:03:59,563 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 631 transitions. [2024-11-08 16:03:59,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.24) internal successors, (81), 25 states have internal predecessors, (81), 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) [2024-11-08 16:03:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 631 transitions. [2024-11-08 16:03:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:03:59,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:03:59,564 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] [2024-11-08 16:03:59,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-08 16:03:59,565 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:03:59,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:03:59,565 INFO L85 PathProgramCache]: Analyzing trace with hash 25475409, now seen corresponding path program 1 times [2024-11-08 16:03:59,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:03:59,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74343797] [2024-11-08 16:03:59,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:03:59,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:03:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:00,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:00,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:00,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74343797] [2024-11-08 16:04:00,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74343797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:00,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:00,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2024-11-08 16:04:00,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969054283] [2024-11-08 16:04:00,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:00,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-08 16:04:00,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:00,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-08 16:04:00,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2024-11-08 16:04:00,777 INFO L87 Difference]: Start difference. First operand 492 states and 631 transitions. Second operand has 26 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 26 states have internal predecessors, (81), 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) [2024-11-08 16:04:04,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:04,690 INFO L93 Difference]: Finished difference Result 1169 states and 1558 transitions. [2024-11-08 16:04:04,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 16:04:04,690 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 26 states have internal predecessors, (81), 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 81 [2024-11-08 16:04:04,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:04,692 INFO L225 Difference]: With dead ends: 1169 [2024-11-08 16:04:04,692 INFO L226 Difference]: Without dead ends: 1036 [2024-11-08 16:04:04,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=381, Invalid=1875, Unknown=0, NotChecked=0, Total=2256 [2024-11-08 16:04:04,694 INFO L432 NwaCegarLoop]: 912 mSDtfsCounter, 2616 mSDsluCounter, 11606 mSDsCounter, 0 mSdLazyCounter, 7023 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 12518 SdHoareTripleChecker+Invalid, 7042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 7023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:04,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2616 Valid, 12518 Invalid, 7042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 7023 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 16:04:04,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-08 16:04:04,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 498. [2024-11-08 16:04:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 485 states have (on average 1.31340206185567) internal successors, (637), 497 states have internal predecessors, (637), 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) [2024-11-08 16:04:04,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 637 transitions. [2024-11-08 16:04:04,701 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 637 transitions. Word has length 81 [2024-11-08 16:04:04,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:04,702 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 637 transitions. [2024-11-08 16:04:04,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.1153846153846154) internal successors, (81), 26 states have internal predecessors, (81), 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) [2024-11-08 16:04:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 637 transitions. [2024-11-08 16:04:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:04:04,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:04,703 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] [2024-11-08 16:04:04,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-08 16:04:04,704 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:04,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:04,704 INFO L85 PathProgramCache]: Analyzing trace with hash -103186399, now seen corresponding path program 1 times [2024-11-08 16:04:04,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:04,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332671730] [2024-11-08 16:04:04,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:04,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:05,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:05,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332671730] [2024-11-08 16:04:05,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332671730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:05,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:05,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:04:05,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675357314] [2024-11-08 16:04:05,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:05,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:04:05,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:05,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:04:05,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:04:05,204 INFO L87 Difference]: Start difference. First operand 498 states and 637 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 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) [2024-11-08 16:04:05,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:05,669 INFO L93 Difference]: Finished difference Result 891 states and 1189 transitions. [2024-11-08 16:04:05,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:04:05,670 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 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 81 [2024-11-08 16:04:05,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:05,671 INFO L225 Difference]: With dead ends: 891 [2024-11-08 16:04:05,671 INFO L226 Difference]: Without dead ends: 717 [2024-11-08 16:04:05,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:04:05,672 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 1625 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 2789 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:05,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 2789 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:04:05,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-08 16:04:05,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 450. [2024-11-08 16:04:05,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 438 states have (on average 1.3150684931506849) internal successors, (576), 449 states have internal predecessors, (576), 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) [2024-11-08 16:04:05,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 576 transitions. [2024-11-08 16:04:05,677 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 576 transitions. Word has length 81 [2024-11-08 16:04:05,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:05,677 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 576 transitions. [2024-11-08 16:04:05,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 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) [2024-11-08 16:04:05,678 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 576 transitions. [2024-11-08 16:04:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:04:05,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:05,679 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] [2024-11-08 16:04:05,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-08 16:04:05,679 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:05,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:05,679 INFO L85 PathProgramCache]: Analyzing trace with hash 487027968, now seen corresponding path program 1 times [2024-11-08 16:04:05,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:05,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295254922] [2024-11-08 16:04:05,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:05,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:06,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:06,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295254922] [2024-11-08 16:04:06,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295254922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:06,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:06,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 16:04:06,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658151396] [2024-11-08 16:04:06,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:06,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 16:04:06,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:06,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 16:04:06,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:04:06,168 INFO L87 Difference]: Start difference. First operand 450 states and 576 transitions. Second operand has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 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) [2024-11-08 16:04:06,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:06,970 INFO L93 Difference]: Finished difference Result 1170 states and 1557 transitions. [2024-11-08 16:04:06,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:04:06,971 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 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 81 [2024-11-08 16:04:06,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:06,972 INFO L225 Difference]: With dead ends: 1170 [2024-11-08 16:04:06,972 INFO L226 Difference]: Without dead ends: 1040 [2024-11-08 16:04:06,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:04:06,973 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 1865 mSDsluCounter, 2987 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 3446 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:06,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 3446 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:04:06,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2024-11-08 16:04:06,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 446. [2024-11-08 16:04:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 435 states have (on average 1.3126436781609196) internal successors, (571), 445 states have internal predecessors, (571), 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) [2024-11-08 16:04:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 571 transitions. [2024-11-08 16:04:06,978 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 571 transitions. Word has length 81 [2024-11-08 16:04:06,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:06,978 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 571 transitions. [2024-11-08 16:04:06,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.230769230769231) internal successors, (81), 13 states have internal predecessors, (81), 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) [2024-11-08 16:04:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 571 transitions. [2024-11-08 16:04:06,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 16:04:06,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:06,979 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] [2024-11-08 16:04:06,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-08 16:04:06,979 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:06,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:06,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1444511641, now seen corresponding path program 1 times [2024-11-08 16:04:06,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:06,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029954525] [2024-11-08 16:04:06,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:06,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:07,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:07,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:07,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029954525] [2024-11-08 16:04:07,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029954525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:07,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:07,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 16:04:07,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448540255] [2024-11-08 16:04:07,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:07,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 16:04:07,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:07,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 16:04:07,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:04:07,568 INFO L87 Difference]: Start difference. First operand 446 states and 571 transitions. Second operand has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 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) [2024-11-08 16:04:08,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:08,310 INFO L93 Difference]: Finished difference Result 784 states and 1047 transitions. [2024-11-08 16:04:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:04:08,310 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 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 81 [2024-11-08 16:04:08,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:08,311 INFO L225 Difference]: With dead ends: 784 [2024-11-08 16:04:08,311 INFO L226 Difference]: Without dead ends: 549 [2024-11-08 16:04:08,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2024-11-08 16:04:08,312 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 1135 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:08,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 3121 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:04:08,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-08 16:04:08,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 398. [2024-11-08 16:04:08,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 388 states have (on average 1.309278350515464) internal successors, (508), 397 states have internal predecessors, (508), 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) [2024-11-08 16:04:08,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 508 transitions. [2024-11-08 16:04:08,330 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 508 transitions. Word has length 81 [2024-11-08 16:04:08,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:08,330 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 508 transitions. [2024-11-08 16:04:08,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.4) internal successors, (81), 15 states have internal predecessors, (81), 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) [2024-11-08 16:04:08,330 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 508 transitions. [2024-11-08 16:04:08,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:04:08,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:08,331 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] [2024-11-08 16:04:08,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-08 16:04:08,332 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:08,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:08,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2090211926, now seen corresponding path program 1 times [2024-11-08 16:04:08,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:08,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297450538] [2024-11-08 16:04:08,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:08,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:08,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:08,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:08,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297450538] [2024-11-08 16:04:08,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297450538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:08,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:08,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:04:08,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872560487] [2024-11-08 16:04:08,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:08,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:04:08,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:08,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:04:08,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:04:08,553 INFO L87 Difference]: Start difference. First operand 398 states and 508 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 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) [2024-11-08 16:04:09,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:09,074 INFO L93 Difference]: Finished difference Result 814 states and 1081 transitions. [2024-11-08 16:04:09,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:04:09,075 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 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 82 [2024-11-08 16:04:09,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:09,075 INFO L225 Difference]: With dead ends: 814 [2024-11-08 16:04:09,075 INFO L226 Difference]: Without dead ends: 658 [2024-11-08 16:04:09,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:04:09,076 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 1164 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:09,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 1414 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:04:09,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2024-11-08 16:04:09,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 398. [2024-11-08 16:04:09,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 388 states have (on average 1.3041237113402062) internal successors, (506), 397 states have internal predecessors, (506), 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) [2024-11-08 16:04:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 506 transitions. [2024-11-08 16:04:09,080 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 506 transitions. Word has length 82 [2024-11-08 16:04:09,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:09,080 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 506 transitions. [2024-11-08 16:04:09,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 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) [2024-11-08 16:04:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 506 transitions. [2024-11-08 16:04:09,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:04:09,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:09,081 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] [2024-11-08 16:04:09,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-08 16:04:09,081 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:09,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:09,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1292332739, now seen corresponding path program 1 times [2024-11-08 16:04:09,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:09,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4662004] [2024-11-08 16:04:09,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:09,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:09,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:09,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4662004] [2024-11-08 16:04:09,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4662004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:09,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:09,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:04:09,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173536027] [2024-11-08 16:04:09,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:09,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:04:09,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:09,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:04:09,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:04:09,278 INFO L87 Difference]: Start difference. First operand 398 states and 506 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 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) [2024-11-08 16:04:09,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:09,739 INFO L93 Difference]: Finished difference Result 612 states and 792 transitions. [2024-11-08 16:04:09,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:04:09,740 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 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 82 [2024-11-08 16:04:09,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:09,741 INFO L225 Difference]: With dead ends: 612 [2024-11-08 16:04:09,741 INFO L226 Difference]: Without dead ends: 605 [2024-11-08 16:04:09,742 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 [2024-11-08 16:04:09,742 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 1189 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1189 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:09,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1189 Valid, 1069 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:04:09,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2024-11-08 16:04:09,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 398. [2024-11-08 16:04:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 388 states have (on average 1.2989690721649485) internal successors, (504), 397 states have internal predecessors, (504), 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) [2024-11-08 16:04:09,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 504 transitions. [2024-11-08 16:04:09,752 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 504 transitions. Word has length 82 [2024-11-08 16:04:09,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:09,753 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 504 transitions. [2024-11-08 16:04:09,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 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) [2024-11-08 16:04:09,754 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 504 transitions. [2024-11-08 16:04:09,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:04:09,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:09,758 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] [2024-11-08 16:04:09,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-08 16:04:09,759 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:09,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:09,759 INFO L85 PathProgramCache]: Analyzing trace with hash -983337368, now seen corresponding path program 1 times [2024-11-08 16:04:09,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:09,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257863680] [2024-11-08 16:04:09,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:09,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:10,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:10,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257863680] [2024-11-08 16:04:10,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257863680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:10,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:10,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 16:04:10,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166766324] [2024-11-08 16:04:10,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:10,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 16:04:10,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:10,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 16:04:10,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:04:10,601 INFO L87 Difference]: Start difference. First operand 398 states and 504 transitions. Second operand has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 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) [2024-11-08 16:04:11,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:11,673 INFO L93 Difference]: Finished difference Result 544 states and 713 transitions. [2024-11-08 16:04:11,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 16:04:11,674 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 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 82 [2024-11-08 16:04:11,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:11,675 INFO L225 Difference]: With dead ends: 544 [2024-11-08 16:04:11,675 INFO L226 Difference]: Without dead ends: 520 [2024-11-08 16:04:11,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=224, Invalid=898, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:04:11,676 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 1317 mSDsluCounter, 3398 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 3755 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:11,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1317 Valid, 3755 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:04:11,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2024-11-08 16:04:11,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 392. [2024-11-08 16:04:11,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 382 states have (on average 1.301047120418848) internal successors, (497), 391 states have internal predecessors, (497), 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) [2024-11-08 16:04:11,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 497 transitions. [2024-11-08 16:04:11,680 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 497 transitions. Word has length 82 [2024-11-08 16:04:11,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:11,680 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 497 transitions. [2024-11-08 16:04:11,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 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) [2024-11-08 16:04:11,680 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 497 transitions. [2024-11-08 16:04:11,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:04:11,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:11,680 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] [2024-11-08 16:04:11,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-08 16:04:11,681 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:11,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:11,681 INFO L85 PathProgramCache]: Analyzing trace with hash 9426797, now seen corresponding path program 1 times [2024-11-08 16:04:11,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:11,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783226502] [2024-11-08 16:04:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:12,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:12,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783226502] [2024-11-08 16:04:12,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783226502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:12,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:12,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:04:12,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242786490] [2024-11-08 16:04:12,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:12,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:04:12,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:12,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:04:12,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:04:12,166 INFO L87 Difference]: Start difference. First operand 392 states and 497 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2024-11-08 16:04:12,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:12,502 INFO L93 Difference]: Finished difference Result 582 states and 782 transitions. [2024-11-08 16:04:12,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:04:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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 82 [2024-11-08 16:04:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:12,503 INFO L225 Difference]: With dead ends: 582 [2024-11-08 16:04:12,504 INFO L226 Difference]: Without dead ends: 402 [2024-11-08 16:04:12,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:04:12,504 INFO L432 NwaCegarLoop]: 337 mSDtfsCounter, 1070 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:12,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 1712 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:04:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-08 16:04:12,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 338. [2024-11-08 16:04:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 331 states have (on average 1.3051359516616314) internal successors, (432), 337 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) [2024-11-08 16:04:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 432 transitions. [2024-11-08 16:04:12,508 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 432 transitions. Word has length 82 [2024-11-08 16:04:12,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:12,508 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 432 transitions. [2024-11-08 16:04:12,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2024-11-08 16:04:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 432 transitions. [2024-11-08 16:04:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:04:12,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:12,509 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] [2024-11-08 16:04:12,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-08 16:04:12,509 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:12,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:12,509 INFO L85 PathProgramCache]: Analyzing trace with hash -30718271, now seen corresponding path program 1 times [2024-11-08 16:04:12,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:12,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586460233] [2024-11-08 16:04:12,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:12,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:12,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:12,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586460233] [2024-11-08 16:04:12,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586460233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:12,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:12,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 16:04:12,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695337290] [2024-11-08 16:04:12,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:12,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:04:12,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:12,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:04:12,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:04:12,895 INFO L87 Difference]: Start difference. First operand 338 states and 432 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2024-11-08 16:04:13,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:13,357 INFO L93 Difference]: Finished difference Result 649 states and 879 transitions. [2024-11-08 16:04:13,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:04:13,358 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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 82 [2024-11-08 16:04:13,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:13,359 INFO L225 Difference]: With dead ends: 649 [2024-11-08 16:04:13,359 INFO L226 Difference]: Without dead ends: 519 [2024-11-08 16:04:13,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:04:13,359 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 1526 mSDsluCounter, 1425 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:13,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 1688 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:04:13,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2024-11-08 16:04:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 330. [2024-11-08 16:04:13,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 324 states have (on average 1.3024691358024691) internal successors, (422), 329 states have internal predecessors, (422), 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) [2024-11-08 16:04:13,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 422 transitions. [2024-11-08 16:04:13,364 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 422 transitions. Word has length 82 [2024-11-08 16:04:13,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:13,364 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 422 transitions. [2024-11-08 16:04:13,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2024-11-08 16:04:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 422 transitions. [2024-11-08 16:04:13,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:04:13,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:13,365 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] [2024-11-08 16:04:13,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-08 16:04:13,365 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:13,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:13,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2144298243, now seen corresponding path program 1 times [2024-11-08 16:04:13,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:13,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75615032] [2024-11-08 16:04:13,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:13,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:13,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:13,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75615032] [2024-11-08 16:04:13,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75615032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:13,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:13,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 16:04:13,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935859871] [2024-11-08 16:04:13,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:13,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 16:04:13,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:13,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 16:04:13,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:04:13,741 INFO L87 Difference]: Start difference. First operand 330 states and 422 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 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) [2024-11-08 16:04:14,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:14,262 INFO L93 Difference]: Finished difference Result 1015 states and 1389 transitions. [2024-11-08 16:04:14,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:04:14,262 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 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 82 [2024-11-08 16:04:14,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:14,263 INFO L225 Difference]: With dead ends: 1015 [2024-11-08 16:04:14,263 INFO L226 Difference]: Without dead ends: 878 [2024-11-08 16:04:14,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:04:14,264 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 1501 mSDsluCounter, 2887 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 3332 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:14,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1501 Valid, 3332 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:04:14,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2024-11-08 16:04:14,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 319. [2024-11-08 16:04:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 314 states have (on average 1.2993630573248407) internal successors, (408), 318 states have internal predecessors, (408), 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) [2024-11-08 16:04:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 408 transitions. [2024-11-08 16:04:14,269 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 408 transitions. Word has length 82 [2024-11-08 16:04:14,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:14,269 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 408 transitions. [2024-11-08 16:04:14,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 13 states have internal predecessors, (82), 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) [2024-11-08 16:04:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 408 transitions. [2024-11-08 16:04:14,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 16:04:14,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:14,270 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] [2024-11-08 16:04:14,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-08 16:04:14,270 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:14,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:14,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1699554172, now seen corresponding path program 1 times [2024-11-08 16:04:14,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:14,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687084303] [2024-11-08 16:04:14,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:14,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:14,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:14,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687084303] [2024-11-08 16:04:14,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687084303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:14,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:14,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 16:04:14,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95142911] [2024-11-08 16:04:14,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:14,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:04:14,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:14,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:04:14,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:04:14,593 INFO L87 Difference]: Start difference. First operand 319 states and 408 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 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) [2024-11-08 16:04:14,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:14,792 INFO L93 Difference]: Finished difference Result 593 states and 809 transitions. [2024-11-08 16:04:14,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:04:14,793 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 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 82 [2024-11-08 16:04:14,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:14,793 INFO L225 Difference]: With dead ends: 593 [2024-11-08 16:04:14,793 INFO L226 Difference]: Without dead ends: 413 [2024-11-08 16:04:14,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:04:14,794 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 1037 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:14,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 669 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:04:14,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-08 16:04:14,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 265. [2024-11-08 16:04:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 262 states have (on average 1.3091603053435115) internal successors, (343), 264 states have internal predecessors, (343), 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) [2024-11-08 16:04:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 343 transitions. [2024-11-08 16:04:14,798 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 343 transitions. Word has length 82 [2024-11-08 16:04:14,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:14,798 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 343 transitions. [2024-11-08 16:04:14,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 10 states have internal predecessors, (82), 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) [2024-11-08 16:04:14,798 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 343 transitions. [2024-11-08 16:04:14,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 16:04:14,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:14,798 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:04:14,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-08 16:04:14,799 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:14,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:14,799 INFO L85 PathProgramCache]: Analyzing trace with hash 31269841, now seen corresponding path program 1 times [2024-11-08 16:04:14,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:14,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183128529] [2024-11-08 16:04:14,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:14,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:16,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:16,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183128529] [2024-11-08 16:04:16,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183128529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:16,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:16,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2024-11-08 16:04:16,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634027216] [2024-11-08 16:04:16,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:16,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 16:04:16,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:16,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 16:04:16,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:04:16,033 INFO L87 Difference]: Start difference. First operand 265 states and 343 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 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) [2024-11-08 16:04:17,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:04:17,641 INFO L93 Difference]: Finished difference Result 438 states and 584 transitions. [2024-11-08 16:04:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-08 16:04:17,641 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 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 84 [2024-11-08 16:04:17,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:04:17,642 INFO L225 Difference]: With dead ends: 438 [2024-11-08 16:04:17,642 INFO L226 Difference]: Without dead ends: 432 [2024-11-08 16:04:17,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=426, Invalid=2124, Unknown=0, NotChecked=0, Total=2550 [2024-11-08 16:04:17,643 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 519 mSDsluCounter, 2496 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 2656 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:04:17,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 2656 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:04:17,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-08 16:04:17,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 281. [2024-11-08 16:04:17,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 278 states have (on average 1.3057553956834533) internal successors, (363), 280 states have internal predecessors, (363), 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) [2024-11-08 16:04:17,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 363 transitions. [2024-11-08 16:04:17,647 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 363 transitions. Word has length 84 [2024-11-08 16:04:17,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:04:17,648 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 363 transitions. [2024-11-08 16:04:17,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 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) [2024-11-08 16:04:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 363 transitions. [2024-11-08 16:04:17,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-08 16:04:17,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:04:17,649 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:04:17,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-08 16:04:17,649 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-11-08 16:04:17,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:04:17,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1365227640, now seen corresponding path program 1 times [2024-11-08 16:04:17,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:04:17,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281393459] [2024-11-08 16:04:17,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:04:17,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:04:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:04:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:04:18,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:04:18,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281393459] [2024-11-08 16:04:18,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281393459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:04:18,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:04:18,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2024-11-08 16:04:18,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710419575] [2024-11-08 16:04:18,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:04:18,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 16:04:18,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:04:18,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 16:04:18,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:04:18,991 INFO L87 Difference]: Start difference. First operand 281 states and 363 transitions. Second operand has 28 states, 28 states have (on average 3.0) internal successors, (84), 28 states have internal predecessors, (84), 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)