./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.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 bf3e653d470f38ca10e6f2ef710928478301c2e1b39e054d852fd4b90e26a334 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-19 22:56:14,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 22:56:14,803 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-19 22:56:14,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 22:56:14,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 22:56:14,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 22:56:14,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 22:56:14,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 22:56:14,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 22:56:14,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 22:56:14,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 22:56:14,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 22:56:14,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 22:56:14,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 22:56:14,845 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 22:56:14,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 22:56:14,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 22:56:14,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 22:56:14,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 22:56:14,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 22:56:14,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 22:56:14,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 22:56:14,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 22:56:14,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 22:56:14,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 22:56:14,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 22:56:14,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 22:56:14,851 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 22:56:14,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 22:56:14,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 22:56:14,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 22:56:14,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 22:56:14,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:56:14,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 22:56:14,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 22:56:14,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 22:56:14,853 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 22:56:14,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 22:56:14,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 22:56:14,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 22:56:14,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 22:56:14,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 22:56:14,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf3e653d470f38ca10e6f2ef710928478301c2e1b39e054d852fd4b90e26a334 [2024-11-19 22:56:15,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 22:56:15,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 22:56:15,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 22:56:15,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 22:56:15,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 22:56:15,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-19 22:56:16,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 22:56:17,014 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 22:56:17,016 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-19 22:56:17,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f5c7a52/92a5e7a6d74d4794a161731768f16577/FLAGfa7d59a13 [2024-11-19 22:56:17,065 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f5c7a52/92a5e7a6d74d4794a161731768f16577 [2024-11-19 22:56:17,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 22:56:17,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 22:56:17,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 22:56:17,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 22:56:17,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 22:56:17,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:56:17" (1/1) ... [2024-11-19 22:56:17,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0e7fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:17, skipping insertion in model container [2024-11-19 22:56:17,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:56:17" (1/1) ... [2024-11-19 22:56:17,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 22:56:17,953 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69564,69577] [2024-11-19 22:56:18,042 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[101232,101245] [2024-11-19 22:56:18,138 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[117050,117063] [2024-11-19 22:56:18,166 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124955,124968] [2024-11-19 22:56:18,203 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128881,128894] [2024-11-19 22:56:18,216 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132623,132636] [2024-11-19 22:56:18,312 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163781,163794] [2024-11-19 22:56:18,360 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[179384,179397] [2024-11-19 22:56:18,382 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[187284,187297] [2024-11-19 22:56:18,394 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[191205,191218] [2024-11-19 22:56:18,405 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194942,194955] [2024-11-19 22:56:18,449 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211727,211740] [2024-11-19 22:56:18,470 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219627,219640] [2024-11-19 22:56:18,482 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223548,223561] [2024-11-19 22:56:18,494 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[227285,227298] [2024-11-19 22:56:18,508 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231785,231798] [2024-11-19 22:56:18,518 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[235573,235586] [2024-11-19 22:56:18,529 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[239494,239507] [2024-11-19 22:56:18,539 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[243231,243244] [2024-11-19 22:56:18,550 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[247352,247365] [2024-11-19 22:56:18,561 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251105,251118] [2024-11-19 22:56:18,573 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[255022,255035] [2024-11-19 22:56:18,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:56:18,635 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 22:56:18,776 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[69564,69577] [2024-11-19 22:56:18,866 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[101232,101245] [2024-11-19 22:56:18,895 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[117050,117063] [2024-11-19 22:56:18,910 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[124955,124968] [2024-11-19 22:56:18,919 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[128881,128894] [2024-11-19 22:56:18,929 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132623,132636] [2024-11-19 22:56:18,980 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[163781,163794] [2024-11-19 22:56:19,011 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[179384,179397] [2024-11-19 22:56:19,026 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[187284,187297] [2024-11-19 22:56:19,035 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[191205,191218] [2024-11-19 22:56:19,043 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[194942,194955] [2024-11-19 22:56:19,077 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[211727,211740] [2024-11-19 22:56:19,093 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[219627,219640] [2024-11-19 22:56:19,101 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[223548,223561] [2024-11-19 22:56:19,110 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[227285,227298] [2024-11-19 22:56:19,119 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[231785,231798] [2024-11-19 22:56:19,127 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[235573,235586] [2024-11-19 22:56:19,135 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[239494,239507] [2024-11-19 22:56:19,143 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[243231,243244] [2024-11-19 22:56:19,151 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[247352,247365] [2024-11-19 22:56:19,159 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[251105,251118] [2024-11-19 22:56:19,168 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.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[255022,255035] [2024-11-19 22:56:19,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 22:56:19,225 INFO L204 MainTranslator]: Completed translation [2024-11-19 22:56:19,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19 WrapperNode [2024-11-19 22:56:19,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 22:56:19,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 22:56:19,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 22:56:19,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 22:56:19,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,515 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12235 [2024-11-19 22:56:19,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 22:56:19,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 22:56:19,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 22:56:19,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 22:56:19,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,657 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]. [2024-11-19 22:56:19,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 22:56:19,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 22:56:19,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 22:56:19,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 22:56:19,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (1/1) ... [2024-11-19 22:56:19,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 22:56:19,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 22:56:19,937 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) [2024-11-19 22:56:19,940 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 [2024-11-19 22:56:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 22:56:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 22:56:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 22:56:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 22:56:20,312 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 22:56:20,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 22:56:25,518 INFO L? ?]: Removed 2222 outVars from TransFormulas that were not future-live. [2024-11-19 22:56:25,519 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 22:56:25,576 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 22:56:25,577 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 22:56:25,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:56:25 BoogieIcfgContainer [2024-11-19 22:56:25,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 22:56:25,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 22:56:25,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 22:56:25,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 22:56:25,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:56:17" (1/3) ... [2024-11-19 22:56:25,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473a53c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:56:25, skipping insertion in model container [2024-11-19 22:56:25,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:56:19" (2/3) ... [2024-11-19 22:56:25,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@473a53c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:56:25, skipping insertion in model container [2024-11-19 22:56:25,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:56:25" (3/3) ... [2024-11-19 22:56:25,586 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-19 22:56:25,601 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 22:56:25,602 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-19 22:56:25,774 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 22:56:25,780 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;@17d53bed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 22:56:25,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-19 22:56:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 2348 states, 2325 states have (on average 1.821505376344086) internal successors, (4235), 2347 states have internal predecessors, (4235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 22:56:25,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:25,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:25,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:25,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:25,837 INFO L85 PathProgramCache]: Analyzing trace with hash 945954769, now seen corresponding path program 1 times [2024-11-19 22:56:25,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:25,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336393038] [2024-11-19 22:56:25,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:25,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:26,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:26,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336393038] [2024-11-19 22:56:26,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336393038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:26,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:26,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:56:26,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128980148] [2024-11-19 22:56:26,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:26,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:56:26,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:26,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:56:26,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:56:26,636 INFO L87 Difference]: Start difference. First operand has 2348 states, 2325 states have (on average 1.821505376344086) internal successors, (4235), 2347 states have internal predecessors, (4235), 0 states have call successors, (0), 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 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:28,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:28,051 INFO L93 Difference]: Finished difference Result 2546 states and 4528 transitions. [2024-11-19 22:56:28,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:56:28,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-19 22:56:28,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:28,075 INFO L225 Difference]: With dead ends: 2546 [2024-11-19 22:56:28,075 INFO L226 Difference]: Without dead ends: 1401 [2024-11-19 22:56:28,087 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 [2024-11-19 22:56:28,090 INFO L432 NwaCegarLoop]: 1367 mSDtfsCounter, 7255 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7255 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:28,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7255 Valid, 1445 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 22:56:28,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2024-11-19 22:56:28,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1401. [2024-11-19 22:56:28,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 1379 states have (on average 1.3038433647570704) internal successors, (1798), 1400 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1798 transitions. [2024-11-19 22:56:28,208 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1798 transitions. Word has length 86 [2024-11-19 22:56:28,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:28,208 INFO L471 AbstractCegarLoop]: Abstraction has 1401 states and 1798 transitions. [2024-11-19 22:56:28,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1798 transitions. [2024-11-19 22:56:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 22:56:28,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:28,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:28,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 22:56:28,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:28,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:28,295 INFO L85 PathProgramCache]: Analyzing trace with hash -340795257, now seen corresponding path program 1 times [2024-11-19 22:56:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:28,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033768494] [2024-11-19 22:56:28,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:28,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:28,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:28,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033768494] [2024-11-19 22:56:28,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033768494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:28,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:28,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:56:28,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498217428] [2024-11-19 22:56:28,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:28,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:56:28,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:28,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:56:28,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:56:28,620 INFO L87 Difference]: Start difference. First operand 1401 states and 1798 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:29,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:29,316 INFO L93 Difference]: Finished difference Result 1672 states and 2149 transitions. [2024-11-19 22:56:29,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:56:29,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-19 22:56:29,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:29,320 INFO L225 Difference]: With dead ends: 1672 [2024-11-19 22:56:29,320 INFO L226 Difference]: Without dead ends: 969 [2024-11-19 22:56:29,322 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 [2024-11-19 22:56:29,323 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 3667 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3667 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:29,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3667 Valid, 654 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 22:56:29,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2024-11-19 22:56:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 969. [2024-11-19 22:56:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 969 states, 947 states have (on average 1.3231256599788808) internal successors, (1253), 968 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1253 transitions. [2024-11-19 22:56:29,344 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1253 transitions. Word has length 86 [2024-11-19 22:56:29,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:29,345 INFO L471 AbstractCegarLoop]: Abstraction has 969 states and 1253 transitions. [2024-11-19 22:56:29,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1253 transitions. [2024-11-19 22:56:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-19 22:56:29,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:29,348 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:29,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 22:56:29,348 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:29,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:29,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1383981291, now seen corresponding path program 1 times [2024-11-19 22:56:29,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:29,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947752477] [2024-11-19 22:56:29,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:29,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:29,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:29,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947752477] [2024-11-19 22:56:29,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947752477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:29,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:29,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:56:29,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976241740] [2024-11-19 22:56:29,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:29,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:56:29,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:29,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:56:29,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:56:29,593 INFO L87 Difference]: Start difference. First operand 969 states and 1253 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:30,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:30,421 INFO L93 Difference]: Finished difference Result 1742 states and 2296 transitions. [2024-11-19 22:56:30,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:56:30,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2024-11-19 22:56:30,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:30,427 INFO L225 Difference]: With dead ends: 1742 [2024-11-19 22:56:30,427 INFO L226 Difference]: Without dead ends: 1227 [2024-11-19 22:56:30,428 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 [2024-11-19 22:56:30,432 INFO L432 NwaCegarLoop]: 567 mSDtfsCounter, 4287 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4287 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:30,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4287 Valid, 860 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:56:30,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2024-11-19 22:56:30,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1147. [2024-11-19 22:56:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1125 states have (on average 1.3884444444444444) internal successors, (1562), 1146 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1562 transitions. [2024-11-19 22:56:30,464 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1562 transitions. Word has length 86 [2024-11-19 22:56:30,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:30,464 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1562 transitions. [2024-11-19 22:56:30,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1562 transitions. [2024-11-19 22:56:30,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-19 22:56:30,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:30,468 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:30,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 22:56:30,469 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:30,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:30,470 INFO L85 PathProgramCache]: Analyzing trace with hash -100915319, now seen corresponding path program 1 times [2024-11-19 22:56:30,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:30,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378941841] [2024-11-19 22:56:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:30,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:30,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:30,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378941841] [2024-11-19 22:56:30,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378941841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:30,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:30,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:56:30,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150889133] [2024-11-19 22:56:30,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:30,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:56:30,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:30,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:56:30,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:56:30,705 INFO L87 Difference]: Start difference. First operand 1147 states and 1562 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:31,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:31,217 INFO L93 Difference]: Finished difference Result 1653 states and 2265 transitions. [2024-11-19 22:56:31,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:56:31,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2024-11-19 22:56:31,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:31,224 INFO L225 Difference]: With dead ends: 1653 [2024-11-19 22:56:31,224 INFO L226 Difference]: Without dead ends: 1022 [2024-11-19 22:56:31,225 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 [2024-11-19 22:56:31,227 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 2836 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:31,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2836 Valid, 528 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 22:56:31,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2024-11-19 22:56:31,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 1022. [2024-11-19 22:56:31,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 1000 states have (on average 1.407) internal successors, (1407), 1021 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1407 transitions. [2024-11-19 22:56:31,250 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1407 transitions. Word has length 87 [2024-11-19 22:56:31,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:31,251 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1407 transitions. [2024-11-19 22:56:31,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1407 transitions. [2024-11-19 22:56:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 22:56:31,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:31,256 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:31,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 22:56:31,257 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:31,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:31,258 INFO L85 PathProgramCache]: Analyzing trace with hash -881369892, now seen corresponding path program 1 times [2024-11-19 22:56:31,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:31,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335742977] [2024-11-19 22:56:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:31,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:31,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:31,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335742977] [2024-11-19 22:56:31,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335742977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:31,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:31,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:56:31,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862764621] [2024-11-19 22:56:31,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:31,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:56:31,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:31,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:56:31,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:56:31,425 INFO L87 Difference]: Start difference. First operand 1022 states and 1407 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:31,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:31,848 INFO L93 Difference]: Finished difference Result 1480 states and 2042 transitions. [2024-11-19 22:56:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:56:31,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2024-11-19 22:56:31,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:31,854 INFO L225 Difference]: With dead ends: 1480 [2024-11-19 22:56:31,854 INFO L226 Difference]: Without dead ends: 913 [2024-11-19 22:56:31,857 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 [2024-11-19 22:56:31,858 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 2510 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:31,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2510 Valid, 495 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 22:56:31,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-11-19 22:56:31,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 913. [2024-11-19 22:56:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 891 states have (on average 1.4186307519640853) internal successors, (1264), 912 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1264 transitions. [2024-11-19 22:56:31,878 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1264 transitions. Word has length 88 [2024-11-19 22:56:31,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:31,882 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1264 transitions. [2024-11-19 22:56:31,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1264 transitions. [2024-11-19 22:56:31,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-19 22:56:31,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:31,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:31,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 22:56:31,884 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:31,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:31,885 INFO L85 PathProgramCache]: Analyzing trace with hash -15019222, now seen corresponding path program 1 times [2024-11-19 22:56:31,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:31,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837867713] [2024-11-19 22:56:31,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:31,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:32,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:32,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:32,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837867713] [2024-11-19 22:56:32,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837867713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:32,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:32,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 22:56:32,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526675196] [2024-11-19 22:56:32,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:32,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 22:56:32,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:32,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 22:56:32,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 22:56:32,076 INFO L87 Difference]: Start difference. First operand 913 states and 1264 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:32,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:32,563 INFO L93 Difference]: Finished difference Result 1331 states and 1842 transitions. [2024-11-19 22:56:32,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 22:56:32,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2024-11-19 22:56:32,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:32,567 INFO L225 Difference]: With dead ends: 1331 [2024-11-19 22:56:32,567 INFO L226 Difference]: Without dead ends: 905 [2024-11-19 22:56:32,568 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 [2024-11-19 22:56:32,569 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 2419 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:32,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2419 Valid, 420 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 22:56:32,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-19 22:56:32,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 905. [2024-11-19 22:56:32,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4190260475651189) internal successors, (1253), 904 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:32,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1253 transitions. [2024-11-19 22:56:32,585 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1253 transitions. Word has length 89 [2024-11-19 22:56:32,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:32,585 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1253 transitions. [2024-11-19 22:56:32,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:32,585 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1253 transitions. [2024-11-19 22:56:32,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 22:56:32,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:32,587 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:32,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 22:56:32,588 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:32,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:32,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1223915583, now seen corresponding path program 1 times [2024-11-19 22:56:32,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:32,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202277858] [2024-11-19 22:56:32,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:32,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:33,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:33,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202277858] [2024-11-19 22:56:33,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202277858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:33,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:33,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:33,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017546334] [2024-11-19 22:56:33,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:33,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:33,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:33,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:33,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:33,109 INFO L87 Difference]: Start difference. First operand 905 states and 1253 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:34,341 INFO L93 Difference]: Finished difference Result 1519 states and 2105 transitions. [2024-11-19 22:56:34,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:34,342 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-19 22:56:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:34,346 INFO L225 Difference]: With dead ends: 1519 [2024-11-19 22:56:34,346 INFO L226 Difference]: Without dead ends: 1255 [2024-11-19 22:56:34,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-19 22:56:34,347 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 3895 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 2094 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3895 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:34,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3895 Valid, 2618 Invalid, 2101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2094 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 22:56:34,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2024-11-19 22:56:34,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 905. [2024-11-19 22:56:34,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4178935447338619) internal successors, (1252), 904 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1252 transitions. [2024-11-19 22:56:34,366 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1252 transitions. Word has length 90 [2024-11-19 22:56:34,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:34,366 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1252 transitions. [2024-11-19 22:56:34,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:34,367 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1252 transitions. [2024-11-19 22:56:34,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 22:56:34,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:34,368 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:34,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 22:56:34,369 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:34,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:34,369 INFO L85 PathProgramCache]: Analyzing trace with hash -774148364, now seen corresponding path program 1 times [2024-11-19 22:56:34,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:34,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224040034] [2024-11-19 22:56:34,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:34,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:34,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:34,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:34,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224040034] [2024-11-19 22:56:34,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224040034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:34,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:34,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:34,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544826937] [2024-11-19 22:56:34,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:34,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:34,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:34,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:34,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:34,762 INFO L87 Difference]: Start difference. First operand 905 states and 1252 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:35,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:35,969 INFO L93 Difference]: Finished difference Result 1626 states and 2277 transitions. [2024-11-19 22:56:35,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:35,970 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-19 22:56:35,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:35,975 INFO L225 Difference]: With dead ends: 1626 [2024-11-19 22:56:35,975 INFO L226 Difference]: Without dead ends: 1430 [2024-11-19 22:56:35,976 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 [2024-11-19 22:56:35,976 INFO L432 NwaCegarLoop]: 566 mSDtfsCounter, 2894 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2894 SdHoareTripleChecker+Valid, 2729 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:35,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2894 Valid, 2729 Invalid, 2152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 22:56:35,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-19 22:56:35,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 905. [2024-11-19 22:56:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4167610419026047) internal successors, (1251), 904 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:35,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1251 transitions. [2024-11-19 22:56:35,995 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1251 transitions. Word has length 90 [2024-11-19 22:56:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:35,995 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1251 transitions. [2024-11-19 22:56:35,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1251 transitions. [2024-11-19 22:56:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 22:56:35,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:35,998 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:35,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 22:56:35,998 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:35,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:35,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1127184379, now seen corresponding path program 1 times [2024-11-19 22:56:35,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:35,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619191233] [2024-11-19 22:56:35,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:35,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:36,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:36,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619191233] [2024-11-19 22:56:36,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619191233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:36,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:36,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 22:56:36,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215687263] [2024-11-19 22:56:36,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:36,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 22:56:36,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:36,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 22:56:36,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:56:36,457 INFO L87 Difference]: Start difference. First operand 905 states and 1251 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:37,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:37,599 INFO L93 Difference]: Finished difference Result 1539 states and 2137 transitions. [2024-11-19 22:56:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:37,600 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-19 22:56:37,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:37,604 INFO L225 Difference]: With dead ends: 1539 [2024-11-19 22:56:37,604 INFO L226 Difference]: Without dead ends: 1375 [2024-11-19 22:56:37,605 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 [2024-11-19 22:56:37,606 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 2589 mSDsluCounter, 1908 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2589 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:37,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2589 Valid, 2370 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:56:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2024-11-19 22:56:37,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 905. [2024-11-19 22:56:37,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4144960362400907) internal successors, (1249), 904 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1249 transitions. [2024-11-19 22:56:37,626 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1249 transitions. Word has length 90 [2024-11-19 22:56:37,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:37,626 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1249 transitions. [2024-11-19 22:56:37,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1249 transitions. [2024-11-19 22:56:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 22:56:37,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:37,629 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:37,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 22:56:37,629 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:37,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:37,630 INFO L85 PathProgramCache]: Analyzing trace with hash 920548212, now seen corresponding path program 1 times [2024-11-19 22:56:37,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:37,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502750852] [2024-11-19 22:56:37,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:37,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:38,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:38,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502750852] [2024-11-19 22:56:38,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502750852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:38,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:38,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 22:56:38,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283170799] [2024-11-19 22:56:38,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:38,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 22:56:38,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:38,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 22:56:38,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:56:38,108 INFO L87 Difference]: Start difference. First operand 905 states and 1249 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:39,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:39,126 INFO L93 Difference]: Finished difference Result 1539 states and 2133 transitions. [2024-11-19 22:56:39,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 22:56:39,127 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-19 22:56:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:39,130 INFO L225 Difference]: With dead ends: 1539 [2024-11-19 22:56:39,130 INFO L226 Difference]: Without dead ends: 1375 [2024-11-19 22:56:39,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2024-11-19 22:56:39,132 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 2588 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 1937 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 2373 SdHoareTripleChecker+Invalid, 1946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:39,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 2373 Invalid, 1946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1937 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:56:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2024-11-19 22:56:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 905. [2024-11-19 22:56:39,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4122310305775765) internal successors, (1247), 904 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1247 transitions. [2024-11-19 22:56:39,148 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1247 transitions. Word has length 90 [2024-11-19 22:56:39,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:39,148 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1247 transitions. [2024-11-19 22:56:39,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1247 transitions. [2024-11-19 22:56:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 22:56:39,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:39,150 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:39,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 22:56:39,151 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:39,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:39,151 INFO L85 PathProgramCache]: Analyzing trace with hash -93518206, now seen corresponding path program 1 times [2024-11-19 22:56:39,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:39,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667808861] [2024-11-19 22:56:39,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:39,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:39,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:39,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667808861] [2024-11-19 22:56:39,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667808861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:39,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:39,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 22:56:39,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394701305] [2024-11-19 22:56:39,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:39,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 22:56:39,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:39,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 22:56:39,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:56:39,562 INFO L87 Difference]: Start difference. First operand 905 states and 1247 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:40,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:40,831 INFO L93 Difference]: Finished difference Result 1589 states and 2206 transitions. [2024-11-19 22:56:40,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:40,832 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-19 22:56:40,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:40,836 INFO L225 Difference]: With dead ends: 1589 [2024-11-19 22:56:40,836 INFO L226 Difference]: Without dead ends: 1399 [2024-11-19 22:56:40,837 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 [2024-11-19 22:56:40,837 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 4613 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4613 SdHoareTripleChecker+Valid, 2636 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:40,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4613 Valid, 2636 Invalid, 2168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2161 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 22:56:40,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2024-11-19 22:56:40,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 905. [2024-11-19 22:56:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4099660249150623) internal successors, (1245), 904 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1245 transitions. [2024-11-19 22:56:40,853 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1245 transitions. Word has length 90 [2024-11-19 22:56:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:40,853 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1245 transitions. [2024-11-19 22:56:40,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1245 transitions. [2024-11-19 22:56:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-19 22:56:40,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:40,855 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:40,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 22:56:40,855 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:40,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:40,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1282747047, now seen corresponding path program 1 times [2024-11-19 22:56:40,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:40,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327786032] [2024-11-19 22:56:40,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:40,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:41,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:41,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327786032] [2024-11-19 22:56:41,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327786032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:41,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:41,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 22:56:41,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156250460] [2024-11-19 22:56:41,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:41,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 22:56:41,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:41,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 22:56:41,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 22:56:41,165 INFO L87 Difference]: Start difference. First operand 905 states and 1245 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:42,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:42,032 INFO L93 Difference]: Finished difference Result 1644 states and 2207 transitions. [2024-11-19 22:56:42,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 22:56:42,033 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2024-11-19 22:56:42,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:42,036 INFO L225 Difference]: With dead ends: 1644 [2024-11-19 22:56:42,036 INFO L226 Difference]: Without dead ends: 1226 [2024-11-19 22:56:42,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-11-19 22:56:42,038 INFO L432 NwaCegarLoop]: 403 mSDtfsCounter, 3928 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:42,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3928 Valid, 1381 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:56:42,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2024-11-19 22:56:42,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 905. [2024-11-19 22:56:42,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4088335220838053) internal successors, (1244), 904 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:42,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1244 transitions. [2024-11-19 22:56:42,052 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1244 transitions. Word has length 90 [2024-11-19 22:56:42,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:42,052 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1244 transitions. [2024-11-19 22:56:42,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:42,053 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1244 transitions. [2024-11-19 22:56:42,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 22:56:42,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:42,054 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:42,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 22:56:42,055 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:42,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:42,055 INFO L85 PathProgramCache]: Analyzing trace with hash 510204798, now seen corresponding path program 1 times [2024-11-19 22:56:42,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:42,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600596820] [2024-11-19 22:56:42,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:42,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:42,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:42,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600596820] [2024-11-19 22:56:42,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600596820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:42,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:42,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 22:56:42,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108688561] [2024-11-19 22:56:42,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:42,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 22:56:42,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:42,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 22:56:42,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-19 22:56:42,593 INFO L87 Difference]: Start difference. First operand 905 states and 1244 transitions. Second operand has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:43,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:43,879 INFO L93 Difference]: Finished difference Result 1524 states and 2131 transitions. [2024-11-19 22:56:43,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 22:56:43,880 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-19 22:56:43,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:43,882 INFO L225 Difference]: With dead ends: 1524 [2024-11-19 22:56:43,883 INFO L226 Difference]: Without dead ends: 1124 [2024-11-19 22:56:43,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-11-19 22:56:43,884 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 3564 mSDsluCounter, 2642 mSDsCounter, 0 mSdLazyCounter, 2561 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3564 SdHoareTripleChecker+Valid, 3152 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:43,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3564 Valid, 3152 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2561 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:56:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2024-11-19 22:56:43,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 905. [2024-11-19 22:56:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.406568516421291) internal successors, (1242), 904 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:43,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1242 transitions. [2024-11-19 22:56:43,899 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1242 transitions. Word has length 92 [2024-11-19 22:56:43,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:43,899 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1242 transitions. [2024-11-19 22:56:43,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1242 transitions. [2024-11-19 22:56:43,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 22:56:43,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:43,901 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:43,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 22:56:43,902 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:43,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:43,902 INFO L85 PathProgramCache]: Analyzing trace with hash -496473703, now seen corresponding path program 1 times [2024-11-19 22:56:43,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:43,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048493502] [2024-11-19 22:56:43,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:43,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:44,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:44,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048493502] [2024-11-19 22:56:44,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048493502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:44,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:44,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:44,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884361984] [2024-11-19 22:56:44,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:44,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:44,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:44,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:44,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:44,240 INFO L87 Difference]: Start difference. First operand 905 states and 1242 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:45,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:45,356 INFO L93 Difference]: Finished difference Result 1574 states and 2180 transitions. [2024-11-19 22:56:45,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:56:45,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-19 22:56:45,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:45,361 INFO L225 Difference]: With dead ends: 1574 [2024-11-19 22:56:45,361 INFO L226 Difference]: Without dead ends: 1403 [2024-11-19 22:56:45,362 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 [2024-11-19 22:56:45,362 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 3755 mSDsluCounter, 1682 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3755 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:45,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3755 Valid, 2185 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:56:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-19 22:56:45,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-11-19 22:56:45,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.405436013590034) internal successors, (1241), 904 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1241 transitions. [2024-11-19 22:56:45,376 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1241 transitions. Word has length 92 [2024-11-19 22:56:45,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:45,377 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1241 transitions. [2024-11-19 22:56:45,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:45,377 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1241 transitions. [2024-11-19 22:56:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 22:56:45,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:45,378 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:45,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 22:56:45,379 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:45,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:45,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2138746040, now seen corresponding path program 1 times [2024-11-19 22:56:45,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:45,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91750465] [2024-11-19 22:56:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:45,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:45,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:45,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91750465] [2024-11-19 22:56:45,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91750465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:45,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:45,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:45,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530355787] [2024-11-19 22:56:45,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:45,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:45,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:45,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:45,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:45,662 INFO L87 Difference]: Start difference. First operand 905 states and 1241 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:46,606 INFO L93 Difference]: Finished difference Result 1479 states and 2026 transitions. [2024-11-19 22:56:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:56:46,606 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-19 22:56:46,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:46,610 INFO L225 Difference]: With dead ends: 1479 [2024-11-19 22:56:46,610 INFO L226 Difference]: Without dead ends: 1331 [2024-11-19 22:56:46,610 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 [2024-11-19 22:56:46,611 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 3406 mSDsluCounter, 1467 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3406 SdHoareTripleChecker+Valid, 1929 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:46,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3406 Valid, 1929 Invalid, 1663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:56:46,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-11-19 22:56:46,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 905. [2024-11-19 22:56:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.404303510758777) internal successors, (1240), 904 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1240 transitions. [2024-11-19 22:56:46,625 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1240 transitions. Word has length 92 [2024-11-19 22:56:46,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:46,626 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1240 transitions. [2024-11-19 22:56:46,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1240 transitions. [2024-11-19 22:56:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 22:56:46,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:46,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:46,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 22:56:46,628 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:46,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:46,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1951823708, now seen corresponding path program 1 times [2024-11-19 22:56:46,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:46,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106435702] [2024-11-19 22:56:46,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:46,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:46,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:46,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106435702] [2024-11-19 22:56:46,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106435702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:46,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:46,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:46,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716900774] [2024-11-19 22:56:46,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:46,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:46,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:46,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:46,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:46,984 INFO L87 Difference]: Start difference. First operand 905 states and 1240 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:48,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:48,044 INFO L93 Difference]: Finished difference Result 1574 states and 2178 transitions. [2024-11-19 22:56:48,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:48,044 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-19 22:56:48,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:48,049 INFO L225 Difference]: With dead ends: 1574 [2024-11-19 22:56:48,049 INFO L226 Difference]: Without dead ends: 1403 [2024-11-19 22:56:48,050 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 [2024-11-19 22:56:48,050 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 4539 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 1776 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4539 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:48,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4539 Valid, 2194 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1776 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:56:48,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-19 22:56:48,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-11-19 22:56:48,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.40317100792752) internal successors, (1239), 904 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:48,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1239 transitions. [2024-11-19 22:56:48,072 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1239 transitions. Word has length 92 [2024-11-19 22:56:48,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:48,072 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1239 transitions. [2024-11-19 22:56:48,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1239 transitions. [2024-11-19 22:56:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 22:56:48,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:48,075 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:48,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 22:56:48,076 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:48,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:48,076 INFO L85 PathProgramCache]: Analyzing trace with hash -761353428, now seen corresponding path program 1 times [2024-11-19 22:56:48,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:48,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919714530] [2024-11-19 22:56:48,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:48,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:48,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:48,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:48,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919714530] [2024-11-19 22:56:48,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919714530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:48,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:48,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:48,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460498806] [2024-11-19 22:56:48,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:48,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:48,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:48,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:48,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:48,416 INFO L87 Difference]: Start difference. First operand 905 states and 1239 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:49,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:49,218 INFO L93 Difference]: Finished difference Result 1482 states and 2026 transitions. [2024-11-19 22:56:49,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:49,218 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-19 22:56:49,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:49,222 INFO L225 Difference]: With dead ends: 1482 [2024-11-19 22:56:49,222 INFO L226 Difference]: Without dead ends: 1331 [2024-11-19 22:56:49,223 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 [2024-11-19 22:56:49,223 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 2258 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2258 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:49,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2258 Valid, 1932 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1646 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 22:56:49,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-11-19 22:56:49,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 905. [2024-11-19 22:56:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4020385050962627) internal successors, (1238), 904 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:49,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1238 transitions. [2024-11-19 22:56:49,236 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1238 transitions. Word has length 92 [2024-11-19 22:56:49,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:49,236 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1238 transitions. [2024-11-19 22:56:49,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1238 transitions. [2024-11-19 22:56:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-19 22:56:49,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:49,238 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:49,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 22:56:49,239 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:49,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:49,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1774714757, now seen corresponding path program 1 times [2024-11-19 22:56:49,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:49,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819908530] [2024-11-19 22:56:49,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:49,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:49,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:49,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819908530] [2024-11-19 22:56:49,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819908530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:49,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:49,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:49,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109250787] [2024-11-19 22:56:49,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:49,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:49,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:49,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:49,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:49,504 INFO L87 Difference]: Start difference. First operand 905 states and 1238 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:50,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:50,567 INFO L93 Difference]: Finished difference Result 1640 states and 2274 transitions. [2024-11-19 22:56:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:56:50,567 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2024-11-19 22:56:50,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:50,570 INFO L225 Difference]: With dead ends: 1640 [2024-11-19 22:56:50,570 INFO L226 Difference]: Without dead ends: 1430 [2024-11-19 22:56:50,571 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 [2024-11-19 22:56:50,571 INFO L432 NwaCegarLoop]: 728 mSDtfsCounter, 3366 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 2387 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 3099 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:50,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 3099 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2387 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:56:50,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-19 22:56:50,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 905. [2024-11-19 22:56:50,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.4009060022650057) internal successors, (1237), 904 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1237 transitions. [2024-11-19 22:56:50,585 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1237 transitions. Word has length 92 [2024-11-19 22:56:50,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:50,585 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1237 transitions. [2024-11-19 22:56:50,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:50,585 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1237 transitions. [2024-11-19 22:56:50,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:56:50,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:50,587 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:50,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 22:56:50,588 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:50,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:50,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1776369767, now seen corresponding path program 1 times [2024-11-19 22:56:50,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:50,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632772443] [2024-11-19 22:56:50,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:50,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:50,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:50,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632772443] [2024-11-19 22:56:50,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632772443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:50,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:50,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:50,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163912343] [2024-11-19 22:56:50,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:50,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:50,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:50,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:50,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:50,897 INFO L87 Difference]: Start difference. First operand 905 states and 1237 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:51,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:51,780 INFO L93 Difference]: Finished difference Result 1605 states and 2215 transitions. [2024-11-19 22:56:51,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:51,780 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:56:51,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:51,783 INFO L225 Difference]: With dead ends: 1605 [2024-11-19 22:56:51,783 INFO L226 Difference]: Without dead ends: 1403 [2024-11-19 22:56:51,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-19 22:56:51,785 INFO L432 NwaCegarLoop]: 554 mSDtfsCounter, 4272 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 1899 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4272 SdHoareTripleChecker+Valid, 2390 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:51,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4272 Valid, 2390 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1899 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:56:51,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-19 22:56:51,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-11-19 22:56:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3986409966024915) internal successors, (1235), 904 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:51,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1235 transitions. [2024-11-19 22:56:51,798 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1235 transitions. Word has length 94 [2024-11-19 22:56:51,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:51,799 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1235 transitions. [2024-11-19 22:56:51,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1235 transitions. [2024-11-19 22:56:51,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:56:51,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:51,801 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:51,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 22:56:51,802 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:51,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:51,802 INFO L85 PathProgramCache]: Analyzing trace with hash -583554037, now seen corresponding path program 1 times [2024-11-19 22:56:51,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:51,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105021009] [2024-11-19 22:56:51,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:51,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:52,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:52,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105021009] [2024-11-19 22:56:52,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105021009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:52,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:52,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:52,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326619638] [2024-11-19 22:56:52,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:52,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:52,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:52,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:52,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:52,096 INFO L87 Difference]: Start difference. First operand 905 states and 1235 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:53,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:53,169 INFO L93 Difference]: Finished difference Result 1547 states and 2127 transitions. [2024-11-19 22:56:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:53,169 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:56:53,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:53,172 INFO L225 Difference]: With dead ends: 1547 [2024-11-19 22:56:53,173 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:56:53,173 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 [2024-11-19 22:56:53,174 INFO L432 NwaCegarLoop]: 548 mSDtfsCounter, 3699 mSDsluCounter, 2284 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 2832 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:53,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 2832 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:56:53,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:56:53,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:56:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3963759909399773) internal successors, (1233), 904 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1233 transitions. [2024-11-19 22:56:53,188 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1233 transitions. Word has length 94 [2024-11-19 22:56:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:53,188 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1233 transitions. [2024-11-19 22:56:53,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1233 transitions. [2024-11-19 22:56:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:56:53,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:53,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:53,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 22:56:53,191 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:53,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:53,191 INFO L85 PathProgramCache]: Analyzing trace with hash -912166993, now seen corresponding path program 1 times [2024-11-19 22:56:53,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:53,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163511797] [2024-11-19 22:56:53,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:53,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:53,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:53,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163511797] [2024-11-19 22:56:53,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163511797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:53,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:53,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:53,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615853444] [2024-11-19 22:56:53,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:53,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:53,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:53,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:53,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:53,471 INFO L87 Difference]: Start difference. First operand 905 states and 1233 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:54,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:54,442 INFO L93 Difference]: Finished difference Result 1706 states and 2353 transitions. [2024-11-19 22:56:54,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:56:54,443 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:56:54,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:54,447 INFO L225 Difference]: With dead ends: 1706 [2024-11-19 22:56:54,447 INFO L226 Difference]: Without dead ends: 1430 [2024-11-19 22:56:54,448 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 [2024-11-19 22:56:54,448 INFO L432 NwaCegarLoop]: 676 mSDtfsCounter, 1827 mSDsluCounter, 2215 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1827 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 2195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:54,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1827 Valid, 2891 Invalid, 2195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:56:54,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-19 22:56:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 905. [2024-11-19 22:56:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3941109852774631) internal successors, (1231), 904 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1231 transitions. [2024-11-19 22:56:54,460 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1231 transitions. Word has length 94 [2024-11-19 22:56:54,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:54,460 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1231 transitions. [2024-11-19 22:56:54,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1231 transitions. [2024-11-19 22:56:54,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:56:54,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:54,462 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:54,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 22:56:54,462 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:54,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:54,463 INFO L85 PathProgramCache]: Analyzing trace with hash 111636485, now seen corresponding path program 1 times [2024-11-19 22:56:54,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:54,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529488829] [2024-11-19 22:56:54,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:54,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:54,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:54,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529488829] [2024-11-19 22:56:54,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529488829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:54,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:54,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:54,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356043397] [2024-11-19 22:56:54,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:54,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:54,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:54,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:54,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:54,741 INFO L87 Difference]: Start difference. First operand 905 states and 1231 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:55,748 INFO L93 Difference]: Finished difference Result 1593 states and 2193 transitions. [2024-11-19 22:56:55,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:55,749 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:56:55,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:55,753 INFO L225 Difference]: With dead ends: 1593 [2024-11-19 22:56:55,753 INFO L226 Difference]: Without dead ends: 1403 [2024-11-19 22:56:55,754 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 [2024-11-19 22:56:55,755 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 3968 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 2031 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3968 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 2038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:55,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3968 Valid, 2634 Invalid, 2038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2031 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:56:55,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-19 22:56:55,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-11-19 22:56:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.391845979614949) internal successors, (1229), 904 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1229 transitions. [2024-11-19 22:56:55,767 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1229 transitions. Word has length 94 [2024-11-19 22:56:55,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:55,768 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1229 transitions. [2024-11-19 22:56:55,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1229 transitions. [2024-11-19 22:56:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:56:55,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:55,770 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:55,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 22:56:55,770 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:55,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:55,771 INFO L85 PathProgramCache]: Analyzing trace with hash 389206872, now seen corresponding path program 1 times [2024-11-19 22:56:55,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:55,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111536949] [2024-11-19 22:56:55,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:55,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:56,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:56,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111536949] [2024-11-19 22:56:56,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111536949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:56,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:56,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:56,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363075057] [2024-11-19 22:56:56,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:56,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:56,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:56,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:56,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:56,084 INFO L87 Difference]: Start difference. First operand 905 states and 1229 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:57,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:57,052 INFO L93 Difference]: Finished difference Result 1541 states and 2114 transitions. [2024-11-19 22:56:57,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:57,053 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:56:57,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:57,057 INFO L225 Difference]: With dead ends: 1541 [2024-11-19 22:56:57,057 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:56:57,062 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 [2024-11-19 22:56:57,062 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 3653 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2270 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3653 SdHoareTripleChecker+Valid, 2900 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:57,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3653 Valid, 2900 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2270 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:56:57,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:56:57,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:56:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.389580973952435) internal successors, (1227), 904 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1227 transitions. [2024-11-19 22:56:57,082 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1227 transitions. Word has length 94 [2024-11-19 22:56:57,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:57,082 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1227 transitions. [2024-11-19 22:56:57,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:57,082 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1227 transitions. [2024-11-19 22:56:57,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:56:57,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:57,084 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:57,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 22:56:57,084 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:57,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:57,085 INFO L85 PathProgramCache]: Analyzing trace with hash -2093938452, now seen corresponding path program 1 times [2024-11-19 22:56:57,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:57,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764048085] [2024-11-19 22:56:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:57,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:57,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:57,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764048085] [2024-11-19 22:56:57,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764048085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:57,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:57,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:57,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140964004] [2024-11-19 22:56:57,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:57,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:57,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:57,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:57,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:57,318 INFO L87 Difference]: Start difference. First operand 905 states and 1227 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:58,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:58,169 INFO L93 Difference]: Finished difference Result 1396 states and 1888 transitions. [2024-11-19 22:56:58,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:56:58,169 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:56:58,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:58,172 INFO L225 Difference]: With dead ends: 1396 [2024-11-19 22:56:58,172 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:56:58,173 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 [2024-11-19 22:56:58,173 INFO L432 NwaCegarLoop]: 562 mSDtfsCounter, 3482 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 1916 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3482 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:58,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3482 Valid, 2392 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1916 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 22:56:58,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:56:58,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:56:58,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3873159682899208) internal successors, (1225), 904 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1225 transitions. [2024-11-19 22:56:58,186 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1225 transitions. Word has length 94 [2024-11-19 22:56:58,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:58,186 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1225 transitions. [2024-11-19 22:56:58,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1225 transitions. [2024-11-19 22:56:58,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:56:58,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:58,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:58,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 22:56:58,188 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:58,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash 569274067, now seen corresponding path program 1 times [2024-11-19 22:56:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:58,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594357994] [2024-11-19 22:56:58,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:58,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:58,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:58,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594357994] [2024-11-19 22:56:58,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594357994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:58,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:58,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:58,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006563446] [2024-11-19 22:56:58,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:58,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:58,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:58,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:58,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:58,423 INFO L87 Difference]: Start difference. First operand 905 states and 1225 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:59,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:56:59,439 INFO L93 Difference]: Finished difference Result 1674 states and 2298 transitions. [2024-11-19 22:56:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:56:59,439 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:56:59,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:56:59,442 INFO L225 Difference]: With dead ends: 1674 [2024-11-19 22:56:59,442 INFO L226 Difference]: Without dead ends: 1430 [2024-11-19 22:56:59,442 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 [2024-11-19 22:56:59,443 INFO L432 NwaCegarLoop]: 679 mSDtfsCounter, 3699 mSDsluCounter, 2227 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3699 SdHoareTripleChecker+Valid, 2906 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:56:59,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3699 Valid, 2906 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2165 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:56:59,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-19 22:56:59,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 905. [2024-11-19 22:56:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3850509626274066) internal successors, (1223), 904 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:59,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1223 transitions. [2024-11-19 22:56:59,459 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1223 transitions. Word has length 94 [2024-11-19 22:56:59,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:56:59,459 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1223 transitions. [2024-11-19 22:56:59,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:56:59,459 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1223 transitions. [2024-11-19 22:56:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:56:59,461 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:56:59,461 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:56:59,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 22:56:59,461 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:56:59,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:56:59,462 INFO L85 PathProgramCache]: Analyzing trace with hash -66481708, now seen corresponding path program 1 times [2024-11-19 22:56:59,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:56:59,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510474667] [2024-11-19 22:56:59,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:56:59,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:56:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:56:59,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:56:59,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:56:59,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510474667] [2024-11-19 22:56:59,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510474667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:56:59,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:56:59,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:56:59,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235656947] [2024-11-19 22:56:59,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:56:59,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:56:59,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:56:59,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:56:59,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:56:59,784 INFO L87 Difference]: Start difference. First operand 905 states and 1223 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:00,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:00,685 INFO L93 Difference]: Finished difference Result 1537 states and 2098 transitions. [2024-11-19 22:57:00,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:57:00,685 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:57:00,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:00,687 INFO L225 Difference]: With dead ends: 1537 [2024-11-19 22:57:00,687 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:57:00,688 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 [2024-11-19 22:57:00,688 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 3600 mSDsluCounter, 1835 mSDsCounter, 0 mSdLazyCounter, 1898 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3600 SdHoareTripleChecker+Valid, 2398 SdHoareTripleChecker+Invalid, 1905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:00,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3600 Valid, 2398 Invalid, 1905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1898 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:00,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:57:00,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:57:00,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3839184597961496) internal successors, (1222), 904 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:00,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1222 transitions. [2024-11-19 22:57:00,700 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1222 transitions. Word has length 94 [2024-11-19 22:57:00,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:00,700 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1222 transitions. [2024-11-19 22:57:00,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1222 transitions. [2024-11-19 22:57:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:57:00,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:00,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:00,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 22:57:00,702 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:00,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:00,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1010519460, now seen corresponding path program 1 times [2024-11-19 22:57:00,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:00,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746456005] [2024-11-19 22:57:00,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:00,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:00,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:00,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746456005] [2024-11-19 22:57:00,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746456005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:00,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:00,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:00,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869340759] [2024-11-19 22:57:00,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:00,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:00,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:00,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:00,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:00,977 INFO L87 Difference]: Start difference. First operand 905 states and 1222 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:01,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:01,932 INFO L93 Difference]: Finished difference Result 1533 states and 2093 transitions. [2024-11-19 22:57:01,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:01,932 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:57:01,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:01,934 INFO L225 Difference]: With dead ends: 1533 [2024-11-19 22:57:01,934 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:57:01,935 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 [2024-11-19 22:57:01,935 INFO L432 NwaCegarLoop]: 565 mSDtfsCounter, 3636 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3636 SdHoareTripleChecker+Valid, 2900 SdHoareTripleChecker+Invalid, 2248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:01,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3636 Valid, 2900 Invalid, 2248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:01,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:57:01,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:57:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3827859569648924) internal successors, (1221), 904 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:01,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1221 transitions. [2024-11-19 22:57:01,945 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1221 transitions. Word has length 94 [2024-11-19 22:57:01,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:01,946 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1221 transitions. [2024-11-19 22:57:01,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1221 transitions. [2024-11-19 22:57:01,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:57:01,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:01,947 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:01,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 22:57:01,947 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:01,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:01,947 INFO L85 PathProgramCache]: Analyzing trace with hash 690022397, now seen corresponding path program 1 times [2024-11-19 22:57:01,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:01,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033485797] [2024-11-19 22:57:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:02,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:02,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033485797] [2024-11-19 22:57:02,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033485797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:02,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:02,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:02,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032483569] [2024-11-19 22:57:02,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:02,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:02,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:02,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:02,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:02,260 INFO L87 Difference]: Start difference. First operand 905 states and 1221 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:03,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:03,176 INFO L93 Difference]: Finished difference Result 1569 states and 2148 transitions. [2024-11-19 22:57:03,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:03,176 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:57:03,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:03,178 INFO L225 Difference]: With dead ends: 1569 [2024-11-19 22:57:03,178 INFO L226 Difference]: Without dead ends: 1403 [2024-11-19 22:57:03,179 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 [2024-11-19 22:57:03,179 INFO L432 NwaCegarLoop]: 660 mSDtfsCounter, 3703 mSDsluCounter, 2154 mSDsCounter, 0 mSdLazyCounter, 2132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3703 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 2139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:03,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3703 Valid, 2814 Invalid, 2139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2132 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:03,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-19 22:57:03,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-11-19 22:57:03,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3816534541336354) internal successors, (1220), 904 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1220 transitions. [2024-11-19 22:57:03,188 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1220 transitions. Word has length 94 [2024-11-19 22:57:03,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:03,188 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1220 transitions. [2024-11-19 22:57:03,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1220 transitions. [2024-11-19 22:57:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:57:03,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:03,189 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:03,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-19 22:57:03,189 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:03,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:03,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1834155361, now seen corresponding path program 1 times [2024-11-19 22:57:03,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:03,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767896240] [2024-11-19 22:57:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:03,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:03,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767896240] [2024-11-19 22:57:03,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767896240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:03,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:03,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:03,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124142282] [2024-11-19 22:57:03,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:03,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:03,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:03,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:03,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:03,426 INFO L87 Difference]: Start difference. First operand 905 states and 1220 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:04,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:04,319 INFO L93 Difference]: Finished difference Result 1537 states and 2095 transitions. [2024-11-19 22:57:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:57:04,319 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:57:04,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:04,321 INFO L225 Difference]: With dead ends: 1537 [2024-11-19 22:57:04,321 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:57:04,322 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 [2024-11-19 22:57:04,322 INFO L432 NwaCegarLoop]: 576 mSDtfsCounter, 2983 mSDsluCounter, 1872 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2983 SdHoareTripleChecker+Valid, 2448 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:04,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2983 Valid, 2448 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:04,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:57:04,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:57:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3805209513023782) internal successors, (1219), 904 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1219 transitions. [2024-11-19 22:57:04,331 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1219 transitions. Word has length 94 [2024-11-19 22:57:04,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:04,332 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1219 transitions. [2024-11-19 22:57:04,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:04,332 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1219 transitions. [2024-11-19 22:57:04,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:57:04,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:04,333 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:04,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 22:57:04,333 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:04,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:04,333 INFO L85 PathProgramCache]: Analyzing trace with hash -472603347, now seen corresponding path program 1 times [2024-11-19 22:57:04,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:04,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556503049] [2024-11-19 22:57:04,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:04,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:04,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:04,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556503049] [2024-11-19 22:57:04,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556503049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:04,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:04,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:04,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952671398] [2024-11-19 22:57:04,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:04,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:04,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:04,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:04,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:04,610 INFO L87 Difference]: Start difference. First operand 905 states and 1219 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:05,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:05,645 INFO L93 Difference]: Finished difference Result 1533 states and 2089 transitions. [2024-11-19 22:57:05,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:05,646 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:57:05,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:05,648 INFO L225 Difference]: With dead ends: 1533 [2024-11-19 22:57:05,648 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:57:05,649 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 [2024-11-19 22:57:05,650 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 3594 mSDsluCounter, 2377 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3594 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:05,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3594 Valid, 2956 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:57:05,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:57:05,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:57:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3793884484711212) internal successors, (1218), 904 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1218 transitions. [2024-11-19 22:57:05,663 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1218 transitions. Word has length 94 [2024-11-19 22:57:05,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:05,663 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1218 transitions. [2024-11-19 22:57:05,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:05,663 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1218 transitions. [2024-11-19 22:57:05,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:57:05,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:05,664 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:05,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 22:57:05,665 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:05,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:05,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1148206016, now seen corresponding path program 1 times [2024-11-19 22:57:05,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:05,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255286095] [2024-11-19 22:57:05,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:05,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:05,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:05,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255286095] [2024-11-19 22:57:05,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255286095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:05,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:05,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:05,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688691860] [2024-11-19 22:57:05,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:05,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:05,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:05,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:05,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:05,939 INFO L87 Difference]: Start difference. First operand 905 states and 1218 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:06,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:06,907 INFO L93 Difference]: Finished difference Result 1583 states and 2158 transitions. [2024-11-19 22:57:06,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:57:06,907 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:57:06,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:06,909 INFO L225 Difference]: With dead ends: 1583 [2024-11-19 22:57:06,909 INFO L226 Difference]: Without dead ends: 1403 [2024-11-19 22:57:06,909 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 [2024-11-19 22:57:06,910 INFO L432 NwaCegarLoop]: 704 mSDtfsCounter, 3006 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 2985 SdHoareTripleChecker+Invalid, 2322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:06,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 2985 Invalid, 2322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:06,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-19 22:57:06,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-11-19 22:57:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3782559456398642) internal successors, (1217), 904 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1217 transitions. [2024-11-19 22:57:06,920 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1217 transitions. Word has length 94 [2024-11-19 22:57:06,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:06,920 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1217 transitions. [2024-11-19 22:57:06,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1217 transitions. [2024-11-19 22:57:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-19 22:57:06,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:06,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:06,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-19 22:57:06,922 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:06,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:06,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1262668072, now seen corresponding path program 1 times [2024-11-19 22:57:06,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:06,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123666172] [2024-11-19 22:57:06,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:07,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:07,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123666172] [2024-11-19 22:57:07,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123666172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:07,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:07,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:07,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871789846] [2024-11-19 22:57:07,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:07,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:07,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:07,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:07,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:07,136 INFO L87 Difference]: Start difference. First operand 905 states and 1217 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:08,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:08,007 INFO L93 Difference]: Finished difference Result 1537 states and 2091 transitions. [2024-11-19 22:57:08,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:08,007 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2024-11-19 22:57:08,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:08,009 INFO L225 Difference]: With dead ends: 1537 [2024-11-19 22:57:08,009 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:57:08,010 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 [2024-11-19 22:57:08,010 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 2890 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2890 SdHoareTripleChecker+Valid, 2567 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:08,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2890 Valid, 2567 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1979 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:08,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:57:08,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:57:08,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.377123442808607) internal successors, (1216), 904 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1216 transitions. [2024-11-19 22:57:08,018 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1216 transitions. Word has length 94 [2024-11-19 22:57:08,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:08,018 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1216 transitions. [2024-11-19 22:57:08,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:08,018 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1216 transitions. [2024-11-19 22:57:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-19 22:57:08,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:08,019 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:08,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 22:57:08,019 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:08,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:08,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1778839813, now seen corresponding path program 1 times [2024-11-19 22:57:08,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:08,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148489413] [2024-11-19 22:57:08,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:08,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:08,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:08,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148489413] [2024-11-19 22:57:08,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148489413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:08,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:08,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:08,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547253714] [2024-11-19 22:57:08,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:08,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:08,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:08,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:08,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:08,261 INFO L87 Difference]: Start difference. First operand 905 states and 1216 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:09,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:09,242 INFO L93 Difference]: Finished difference Result 1532 states and 2085 transitions. [2024-11-19 22:57:09,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:09,242 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2024-11-19 22:57:09,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:09,245 INFO L225 Difference]: With dead ends: 1532 [2024-11-19 22:57:09,245 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:57:09,245 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 [2024-11-19 22:57:09,246 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 3540 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3540 SdHoareTripleChecker+Valid, 3060 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:09,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3540 Valid, 3060 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:57:09,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:57:09,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:57:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.37599093997735) internal successors, (1215), 904 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1215 transitions. [2024-11-19 22:57:09,258 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1215 transitions. Word has length 95 [2024-11-19 22:57:09,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:09,258 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1215 transitions. [2024-11-19 22:57:09,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1215 transitions. [2024-11-19 22:57:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:09,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:09,260 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:09,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-19 22:57:09,260 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:09,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:09,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1915466444, now seen corresponding path program 1 times [2024-11-19 22:57:09,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:09,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632949997] [2024-11-19 22:57:09,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:09,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:09,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:09,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632949997] [2024-11-19 22:57:09,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632949997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:09,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:09,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:09,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197676541] [2024-11-19 22:57:09,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:09,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:09,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:09,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:09,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:09,551 INFO L87 Difference]: Start difference. First operand 905 states and 1215 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:10,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:10,522 INFO L93 Difference]: Finished difference Result 1549 states and 2104 transitions. [2024-11-19 22:57:10,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:10,522 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:10,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:10,524 INFO L225 Difference]: With dead ends: 1549 [2024-11-19 22:57:10,524 INFO L226 Difference]: Without dead ends: 1379 [2024-11-19 22:57:10,525 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 [2024-11-19 22:57:10,525 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 3533 mSDsluCounter, 2455 mSDsCounter, 0 mSdLazyCounter, 2322 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3533 SdHoareTripleChecker+Valid, 3060 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:10,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3533 Valid, 3060 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2322 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:57:10,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-19 22:57:10,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 905. [2024-11-19 22:57:10,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3737259343148358) internal successors, (1213), 904 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1213 transitions. [2024-11-19 22:57:10,534 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1213 transitions. Word has length 96 [2024-11-19 22:57:10,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:10,534 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1213 transitions. [2024-11-19 22:57:10,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1213 transitions. [2024-11-19 22:57:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:10,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:10,536 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:10,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-19 22:57:10,536 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:10,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:10,537 INFO L85 PathProgramCache]: Analyzing trace with hash 747746075, now seen corresponding path program 1 times [2024-11-19 22:57:10,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:10,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147343551] [2024-11-19 22:57:10,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:10,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:10,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:10,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147343551] [2024-11-19 22:57:10,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147343551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:10,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:10,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:10,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255636316] [2024-11-19 22:57:10,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:10,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:10,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:10,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:10,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:10,802 INFO L87 Difference]: Start difference. First operand 905 states and 1213 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:11,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:11,747 INFO L93 Difference]: Finished difference Result 1485 states and 2004 transitions. [2024-11-19 22:57:11,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:11,748 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:11,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:11,750 INFO L225 Difference]: With dead ends: 1485 [2024-11-19 22:57:11,750 INFO L226 Difference]: Without dead ends: 1331 [2024-11-19 22:57:11,750 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 [2024-11-19 22:57:11,751 INFO L432 NwaCegarLoop]: 543 mSDtfsCounter, 3646 mSDsluCounter, 2158 mSDsCounter, 0 mSdLazyCounter, 2126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3646 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:11,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3646 Valid, 2701 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2126 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:11,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2024-11-19 22:57:11,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 905. [2024-11-19 22:57:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3714609286523216) internal successors, (1211), 904 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1211 transitions. [2024-11-19 22:57:11,762 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1211 transitions. Word has length 96 [2024-11-19 22:57:11,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:11,762 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1211 transitions. [2024-11-19 22:57:11,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1211 transitions. [2024-11-19 22:57:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:11,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:11,764 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:11,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-19 22:57:11,764 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:11,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:11,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1896440013, now seen corresponding path program 1 times [2024-11-19 22:57:11,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:11,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583259096] [2024-11-19 22:57:11,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:11,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:11,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:11,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:11,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583259096] [2024-11-19 22:57:11,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583259096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:11,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:11,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:11,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192296880] [2024-11-19 22:57:11,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:11,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:11,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:11,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:11,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:11,985 INFO L87 Difference]: Start difference. First operand 905 states and 1211 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:12,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:12,958 INFO L93 Difference]: Finished difference Result 1613 states and 2185 transitions. [2024-11-19 22:57:12,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:57:12,958 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:12,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:12,961 INFO L225 Difference]: With dead ends: 1613 [2024-11-19 22:57:12,961 INFO L226 Difference]: Without dead ends: 1403 [2024-11-19 22:57:12,962 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 [2024-11-19 22:57:12,962 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 2736 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2736 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:12,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2736 Valid, 2799 Invalid, 2090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2083 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:12,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-19 22:57:12,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 905. [2024-11-19 22:57:12,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 883 states have (on average 1.3691959229898074) internal successors, (1209), 904 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1209 transitions. [2024-11-19 22:57:12,980 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1209 transitions. Word has length 96 [2024-11-19 22:57:12,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:12,980 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1209 transitions. [2024-11-19 22:57:12,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1209 transitions. [2024-11-19 22:57:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:12,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:12,982 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:12,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-19 22:57:12,984 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:12,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:12,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1185015970, now seen corresponding path program 1 times [2024-11-19 22:57:12,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:12,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378158334] [2024-11-19 22:57:12,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:12,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:13,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:13,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378158334] [2024-11-19 22:57:13,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378158334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:13,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:13,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-19 22:57:13,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066696438] [2024-11-19 22:57:13,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:13,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:57:13,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:13,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:57:13,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:57:13,518 INFO L87 Difference]: Start difference. First operand 905 states and 1209 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:15,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:15,095 INFO L93 Difference]: Finished difference Result 1989 states and 2750 transitions. [2024-11-19 22:57:15,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 22:57:15,096 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:15,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:15,099 INFO L225 Difference]: With dead ends: 1989 [2024-11-19 22:57:15,099 INFO L226 Difference]: Without dead ends: 1819 [2024-11-19 22:57:15,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2024-11-19 22:57:15,101 INFO L432 NwaCegarLoop]: 679 mSDtfsCounter, 5930 mSDsluCounter, 3014 mSDsCounter, 0 mSdLazyCounter, 2980 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5930 SdHoareTripleChecker+Valid, 3693 SdHoareTripleChecker+Invalid, 3176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 2980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:15,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5930 Valid, 3693 Invalid, 3176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 2980 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 22:57:15,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1819 states. [2024-11-19 22:57:15,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1819 to 913. [2024-11-19 22:57:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 891 states have (on average 1.3658810325476993) internal successors, (1217), 912 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:15,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1217 transitions. [2024-11-19 22:57:15,115 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1217 transitions. Word has length 96 [2024-11-19 22:57:15,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:15,115 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1217 transitions. [2024-11-19 22:57:15,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:15,116 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1217 transitions. [2024-11-19 22:57:15,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:15,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:15,117 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:15,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-19 22:57:15,117 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:15,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:15,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1478196549, now seen corresponding path program 1 times [2024-11-19 22:57:15,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:15,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739580809] [2024-11-19 22:57:15,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:15,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:15,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:15,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:15,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739580809] [2024-11-19 22:57:15,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739580809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:15,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:15,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:15,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724143250] [2024-11-19 22:57:15,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:15,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:15,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:15,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:15,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:15,375 INFO L87 Difference]: Start difference. First operand 913 states and 1217 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:16,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:16,211 INFO L93 Difference]: Finished difference Result 1493 states and 2008 transitions. [2024-11-19 22:57:16,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:16,211 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:16,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:16,214 INFO L225 Difference]: With dead ends: 1493 [2024-11-19 22:57:16,214 INFO L226 Difference]: Without dead ends: 1339 [2024-11-19 22:57:16,215 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 [2024-11-19 22:57:16,216 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 3504 mSDsluCounter, 1869 mSDsCounter, 0 mSdLazyCounter, 1977 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:16,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3504 Valid, 2464 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1977 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 22:57:16,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-19 22:57:16,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 913. [2024-11-19 22:57:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 891 states have (on average 1.3636363636363635) internal successors, (1215), 912 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1215 transitions. [2024-11-19 22:57:16,227 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1215 transitions. Word has length 96 [2024-11-19 22:57:16,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:16,228 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1215 transitions. [2024-11-19 22:57:16,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1215 transitions. [2024-11-19 22:57:16,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:16,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:16,229 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:16,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-19 22:57:16,231 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:16,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:16,232 INFO L85 PathProgramCache]: Analyzing trace with hash 190488080, now seen corresponding path program 1 times [2024-11-19 22:57:16,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:16,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062277173] [2024-11-19 22:57:16,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:16,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:16,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:16,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062277173] [2024-11-19 22:57:16,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062277173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:16,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:16,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-19 22:57:16,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303004046] [2024-11-19 22:57:16,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:16,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 22:57:16,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:16,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 22:57:16,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-19 22:57:16,653 INFO L87 Difference]: Start difference. First operand 913 states and 1215 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:17,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:17,960 INFO L93 Difference]: Finished difference Result 1853 states and 2538 transitions. [2024-11-19 22:57:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 22:57:17,961 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:17,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:17,963 INFO L225 Difference]: With dead ends: 1853 [2024-11-19 22:57:17,963 INFO L226 Difference]: Without dead ends: 1699 [2024-11-19 22:57:17,963 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 [2024-11-19 22:57:17,964 INFO L432 NwaCegarLoop]: 534 mSDtfsCounter, 7258 mSDsluCounter, 2126 mSDsCounter, 0 mSdLazyCounter, 2244 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7258 SdHoareTripleChecker+Valid, 2660 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 2244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:17,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7258 Valid, 2660 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 2244 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 22:57:17,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2024-11-19 22:57:17,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 921. [2024-11-19 22:57:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.360400444938821) internal successors, (1223), 920 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1223 transitions. [2024-11-19 22:57:17,976 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1223 transitions. Word has length 96 [2024-11-19 22:57:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:17,977 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1223 transitions. [2024-11-19 22:57:17,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1223 transitions. [2024-11-19 22:57:17,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:17,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:17,978 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:17,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-19 22:57:17,979 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:17,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:17,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1908305338, now seen corresponding path program 1 times [2024-11-19 22:57:17,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:17,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795335715] [2024-11-19 22:57:17,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:17,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:18,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:18,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795335715] [2024-11-19 22:57:18,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795335715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:18,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:18,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:18,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217949685] [2024-11-19 22:57:18,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:18,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:18,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:18,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:18,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:18,255 INFO L87 Difference]: Start difference. First operand 921 states and 1223 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:19,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:19,203 INFO L93 Difference]: Finished difference Result 1489 states and 1999 transitions. [2024-11-19 22:57:19,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:19,204 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:19,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:19,206 INFO L225 Difference]: With dead ends: 1489 [2024-11-19 22:57:19,206 INFO L226 Difference]: Without dead ends: 1339 [2024-11-19 22:57:19,207 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 [2024-11-19 22:57:19,207 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 3639 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 2115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:19,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 2681 Invalid, 2115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:19,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-19 22:57:19,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-11-19 22:57:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.3581757508342602) internal successors, (1221), 920 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1221 transitions. [2024-11-19 22:57:19,218 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1221 transitions. Word has length 96 [2024-11-19 22:57:19,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:19,219 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1221 transitions. [2024-11-19 22:57:19,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1221 transitions. [2024-11-19 22:57:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:19,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:19,221 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:19,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-19 22:57:19,221 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:19,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:19,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1202808302, now seen corresponding path program 1 times [2024-11-19 22:57:19,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:19,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698812985] [2024-11-19 22:57:19,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:19,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:19,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:19,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698812985] [2024-11-19 22:57:19,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698812985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:19,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:19,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:19,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344253706] [2024-11-19 22:57:19,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:19,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:19,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:19,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:19,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:19,461 INFO L87 Difference]: Start difference. First operand 921 states and 1221 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:20,376 INFO L93 Difference]: Finished difference Result 1344 states and 1777 transitions. [2024-11-19 22:57:20,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:20,377 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:20,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:20,378 INFO L225 Difference]: With dead ends: 1344 [2024-11-19 22:57:20,379 INFO L226 Difference]: Without dead ends: 1339 [2024-11-19 22:57:20,379 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 [2024-11-19 22:57:20,379 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 3634 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3634 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:20,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3634 Valid, 2685 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:20,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-19 22:57:20,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-11-19 22:57:20,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.3559510567296997) internal successors, (1219), 920 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:20,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1219 transitions. [2024-11-19 22:57:20,391 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1219 transitions. Word has length 96 [2024-11-19 22:57:20,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:20,391 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1219 transitions. [2024-11-19 22:57:20,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:20,391 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1219 transitions. [2024-11-19 22:57:20,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:20,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:20,393 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:20,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-19 22:57:20,393 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:20,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:20,393 INFO L85 PathProgramCache]: Analyzing trace with hash -263649479, now seen corresponding path program 1 times [2024-11-19 22:57:20,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:20,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788968314] [2024-11-19 22:57:20,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:20,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:20,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:20,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788968314] [2024-11-19 22:57:20,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788968314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:20,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:20,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:20,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25562003] [2024-11-19 22:57:20,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:20,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:20,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:20,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:20,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:20,660 INFO L87 Difference]: Start difference. First operand 921 states and 1219 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:21,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:21,550 INFO L93 Difference]: Finished difference Result 1344 states and 1775 transitions. [2024-11-19 22:57:21,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:57:21,550 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:21,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:21,552 INFO L225 Difference]: With dead ends: 1344 [2024-11-19 22:57:21,552 INFO L226 Difference]: Without dead ends: 1339 [2024-11-19 22:57:21,552 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 [2024-11-19 22:57:21,552 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 2847 mSDsluCounter, 1915 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2847 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 1948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:21,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2847 Valid, 2452 Invalid, 1948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:21,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-19 22:57:21,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-11-19 22:57:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.353726362625139) internal successors, (1217), 920 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1217 transitions. [2024-11-19 22:57:21,560 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1217 transitions. Word has length 96 [2024-11-19 22:57:21,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:21,560 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1217 transitions. [2024-11-19 22:57:21,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1217 transitions. [2024-11-19 22:57:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:21,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:21,561 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:21,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-19 22:57:21,562 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:21,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:21,562 INFO L85 PathProgramCache]: Analyzing trace with hash -375617371, now seen corresponding path program 1 times [2024-11-19 22:57:21,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:21,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747567095] [2024-11-19 22:57:21,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:21,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:21,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:21,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747567095] [2024-11-19 22:57:21,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747567095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:21,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:21,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:21,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873827720] [2024-11-19 22:57:21,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:21,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:21,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:21,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:21,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:21,783 INFO L87 Difference]: Start difference. First operand 921 states and 1217 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:22,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:22,712 INFO L93 Difference]: Finished difference Result 1489 states and 1991 transitions. [2024-11-19 22:57:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:22,712 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:22,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:22,714 INFO L225 Difference]: With dead ends: 1489 [2024-11-19 22:57:22,714 INFO L226 Difference]: Without dead ends: 1339 [2024-11-19 22:57:22,714 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 [2024-11-19 22:57:22,715 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 3627 mSDsluCounter, 2146 mSDsCounter, 0 mSdLazyCounter, 2085 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3627 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 2092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:22,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3627 Valid, 2685 Invalid, 2092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2085 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 22:57:22,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-19 22:57:22,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-11-19 22:57:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.3515016685205785) internal successors, (1215), 920 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:22,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1215 transitions. [2024-11-19 22:57:22,726 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1215 transitions. Word has length 96 [2024-11-19 22:57:22,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:22,726 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1215 transitions. [2024-11-19 22:57:22,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:22,727 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1215 transitions. [2024-11-19 22:57:22,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:22,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:22,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:22,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-19 22:57:22,728 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:22,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:22,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1360186144, now seen corresponding path program 1 times [2024-11-19 22:57:22,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:22,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699809646] [2024-11-19 22:57:22,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:22,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:22,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699809646] [2024-11-19 22:57:22,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699809646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:22,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:22,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:22,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479175603] [2024-11-19 22:57:22,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:22,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:22,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:22,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:22,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:22,943 INFO L87 Difference]: Start difference. First operand 921 states and 1215 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:23,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:23,769 INFO L93 Difference]: Finished difference Result 1344 states and 1769 transitions. [2024-11-19 22:57:23,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 22:57:23,770 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:23,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:23,771 INFO L225 Difference]: With dead ends: 1344 [2024-11-19 22:57:23,771 INFO L226 Difference]: Without dead ends: 1339 [2024-11-19 22:57:23,772 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 [2024-11-19 22:57:23,772 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 3966 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3966 SdHoareTripleChecker+Valid, 2225 SdHoareTripleChecker+Invalid, 1786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:23,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3966 Valid, 2225 Invalid, 1786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1779 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 22:57:23,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-19 22:57:23,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-11-19 22:57:23,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.3492769744160178) internal successors, (1213), 920 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1213 transitions. [2024-11-19 22:57:23,783 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1213 transitions. Word has length 96 [2024-11-19 22:57:23,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:23,784 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1213 transitions. [2024-11-19 22:57:23,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:23,784 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1213 transitions. [2024-11-19 22:57:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:23,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:23,786 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:23,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-19 22:57:23,786 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:23,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:23,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1470891933, now seen corresponding path program 1 times [2024-11-19 22:57:23,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:23,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255119710] [2024-11-19 22:57:23,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:23,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 22:57:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 22:57:24,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 22:57:24,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255119710] [2024-11-19 22:57:24,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255119710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 22:57:24,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 22:57:24,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 22:57:24,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121716548] [2024-11-19 22:57:24,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 22:57:24,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 22:57:24,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 22:57:24,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 22:57:24,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 22:57:24,042 INFO L87 Difference]: Start difference. First operand 921 states and 1213 transitions. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:25,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 22:57:25,051 INFO L93 Difference]: Finished difference Result 1489 states and 1985 transitions. [2024-11-19 22:57:25,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 22:57:25,052 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-19 22:57:25,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 22:57:25,053 INFO L225 Difference]: With dead ends: 1489 [2024-11-19 22:57:25,053 INFO L226 Difference]: Without dead ends: 1339 [2024-11-19 22:57:25,054 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 [2024-11-19 22:57:25,054 INFO L432 NwaCegarLoop]: 595 mSDtfsCounter, 2740 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 2090 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2740 SdHoareTripleChecker+Valid, 2685 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-19 22:57:25,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2740 Valid, 2685 Invalid, 2095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2090 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-19 22:57:25,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2024-11-19 22:57:25,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 921. [2024-11-19 22:57:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 899 states have (on average 1.347052280311457) internal successors, (1211), 920 states have internal predecessors, (1211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:25,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1211 transitions. [2024-11-19 22:57:25,066 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1211 transitions. Word has length 96 [2024-11-19 22:57:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 22:57:25,066 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1211 transitions. [2024-11-19 22:57:25,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 22:57:25,067 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1211 transitions. [2024-11-19 22:57:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 22:57:25,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 22:57:25,068 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 22:57:25,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-19 22:57:25,068 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 19 more)] === [2024-11-19 22:57:25,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 22:57:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash 285754867, now seen corresponding path program 1 times [2024-11-19 22:57:25,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 22:57:25,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055500505] [2024-11-19 22:57:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 22:57:25,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 22:57:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat