./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.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 7dc718442bb91da0bdb0fa6a159b603baccf5b9195c06341082ea90462d0b755 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-11 21:35:05,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-11 21:35:05,873 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-11 21:35:05,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-11 21:35:05,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-11 21:35:05,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-11 21:35:05,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-11 21:35:05,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-11 21:35:05,925 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-11 21:35:05,926 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-11 21:35:05,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-11 21:35:05,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-11 21:35:05,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-11 21:35:05,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-11 21:35:05,929 INFO L153 SettingsManager]: * Use SBE=true [2024-11-11 21:35:05,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-11 21:35:05,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-11 21:35:05,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-11 21:35:05,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-11 21:35:05,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-11 21:35:05,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-11 21:35:05,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-11 21:35:05,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-11 21:35:05,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-11 21:35:05,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-11 21:35:05,934 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-11 21:35:05,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-11 21:35:05,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-11 21:35:05,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-11 21:35:05,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-11 21:35:05,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-11 21:35:05,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-11 21:35:05,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:35:05,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-11 21:35:05,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-11 21:35:05,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-11 21:35:05,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-11 21:35:05,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-11 21:35:05,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-11 21:35:05,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-11 21:35:05,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-11 21:35:05,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-11 21:35:05,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dc718442bb91da0bdb0fa6a159b603baccf5b9195c06341082ea90462d0b755 [2024-11-11 21:35:06,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-11 21:35:06,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-11 21:35:06,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-11 21:35:06,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-11 21:35:06,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-11 21:35:06,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-11 21:35:07,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-11 21:35:08,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-11 21:35:08,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-11 21:35:08,154 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cd270bb/e2fb01fa5fd540aaab5aad52ecd86362/FLAG863d0f65a [2024-11-11 21:35:08,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0cd270bb/e2fb01fa5fd540aaab5aad52ecd86362 [2024-11-11 21:35:08,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-11 21:35:08,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-11 21:35:08,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-11 21:35:08,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-11 21:35:08,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-11 21:35:08,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:35:08" (1/1) ... [2024-11-11 21:35:08,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e0db6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:08, skipping insertion in model container [2024-11-11 21:35:08,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 09:35:08" (1/1) ... [2024-11-11 21:35:08,442 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-11 21:35:08,897 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26861,26874] [2024-11-11 21:35:08,918 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33212,33225] [2024-11-11 21:35:09,017 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57844,57857] [2024-11-11 21:35:09,042 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65899,65912] [2024-11-11 21:35:09,061 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71726,71739] [2024-11-11 21:35:09,088 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82469,82482] [2024-11-11 21:35:09,104 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90414,90427] [2024-11-11 21:35:09,121 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97642,97655] [2024-11-11 21:35:09,194 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132349,132362] [2024-11-11 21:35:09,200 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[135477,135490] [2024-11-11 21:35:09,217 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[143490,143503] [2024-11-11 21:35:09,226 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[149294,149307] [2024-11-11 21:35:09,258 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[172040,172053] [2024-11-11 21:35:09,301 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199876,199889] [2024-11-11 21:35:09,338 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226429,226442] [2024-11-11 21:35:09,389 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[253730,253743] [2024-11-11 21:35:09,461 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[284837,284850] [2024-11-11 21:35:09,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:35:09,623 INFO L200 MainTranslator]: Completed pre-run [2024-11-11 21:35:09,667 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[26861,26874] [2024-11-11 21:35:09,675 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33212,33225] [2024-11-11 21:35:09,704 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[57844,57857] [2024-11-11 21:35:09,717 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[65899,65912] [2024-11-11 21:35:09,725 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[71726,71739] [2024-11-11 21:35:09,738 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[82469,82482] [2024-11-11 21:35:09,749 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[90414,90427] [2024-11-11 21:35:09,757 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[97642,97655] [2024-11-11 21:35:09,801 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132349,132362] [2024-11-11 21:35:09,805 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[135477,135490] [2024-11-11 21:35:09,814 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[143490,143503] [2024-11-11 21:35:09,822 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[149294,149307] [2024-11-11 21:35:09,851 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[172040,172053] [2024-11-11 21:35:09,883 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[199876,199889] [2024-11-11 21:35:09,912 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[226429,226442] [2024-11-11 21:35:09,943 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[253730,253743] [2024-11-11 21:35:09,976 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-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[284837,284850] [2024-11-11 21:35:10,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-11 21:35:10,172 INFO L204 MainTranslator]: Completed translation [2024-11-11 21:35:10,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10 WrapperNode [2024-11-11 21:35:10,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-11 21:35:10,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-11 21:35:10,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-11 21:35:10,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-11 21:35:10,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:10,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:10,447 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18003 [2024-11-11 21:35:10,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-11 21:35:10,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-11 21:35:10,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-11 21:35:10,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-11 21:35:10,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:10,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:10,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:10,840 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]. [2024-11-11 21:35:10,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:10,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:11,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:11,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:11,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:11,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:11,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-11 21:35:11,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-11 21:35:11,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-11 21:35:11,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-11 21:35:11,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (1/1) ... [2024-11-11 21:35:11,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-11 21:35:11,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-11 21:35:11,282 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) [2024-11-11 21:35:11,291 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 [2024-11-11 21:35:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-11 21:35:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-11 21:35:11,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-11 21:35:11,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-11 21:35:11,737 INFO L238 CfgBuilder]: Building ICFG [2024-11-11 21:35:11,739 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-11 21:35:17,753 INFO L? ?]: Removed 3204 outVars from TransFormulas that were not future-live. [2024-11-11 21:35:17,753 INFO L287 CfgBuilder]: Performing block encoding [2024-11-11 21:35:17,803 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-11 21:35:17,803 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-11 21:35:17,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:35:17 BoogieIcfgContainer [2024-11-11 21:35:17,804 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-11 21:35:17,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-11 21:35:17,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-11 21:35:17,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-11 21:35:17,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 09:35:08" (1/3) ... [2024-11-11 21:35:17,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed80b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:35:17, skipping insertion in model container [2024-11-11 21:35:17,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 09:35:10" (2/3) ... [2024-11-11 21:35:17,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed80b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 09:35:17, skipping insertion in model container [2024-11-11 21:35:17,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 09:35:17" (3/3) ... [2024-11-11 21:35:17,810 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2024-11-11 21:35:17,824 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-11 21:35:17,824 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-11-11 21:35:17,954 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-11 21:35:17,959 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;@2d7533fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-11 21:35:17,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-11 21:35:17,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 3532 states, 3514 states have (on average 1.8264086511098463) internal successors, (6418), 3531 states have internal predecessors, (6418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:18,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-11 21:35:18,024 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:18,025 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:18,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:18,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:18,031 INFO L85 PathProgramCache]: Analyzing trace with hash -912153875, now seen corresponding path program 1 times [2024-11-11 21:35:18,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:18,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533903989] [2024-11-11 21:35:18,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:18,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:18,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:18,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:18,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533903989] [2024-11-11 21:35:18,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533903989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:18,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:18,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:35:18,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727452516] [2024-11-11 21:35:18,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:18,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:35:18,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:18,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:35:18,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:35:18,837 INFO L87 Difference]: Start difference. First operand has 3532 states, 3514 states have (on average 1.8264086511098463) internal successors, (6418), 3531 states have internal predecessors, (6418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:22,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:22,862 INFO L93 Difference]: Finished difference Result 6649 states and 11844 transitions. [2024-11-11 21:35:22,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:35:22,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-11 21:35:22,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:22,897 INFO L225 Difference]: With dead ends: 6649 [2024-11-11 21:35:22,897 INFO L226 Difference]: Without dead ends: 4229 [2024-11-11 21:35:22,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-11 21:35:22,909 INFO L435 NwaCegarLoop]: 2778 mSDtfsCounter, 19753 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 3603 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19753 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 3740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 3603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:22,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19753 Valid, 3952 Invalid, 3740 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [137 Valid, 3603 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-11 21:35:22,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4229 states. [2024-11-11 21:35:23,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4229 to 4205. [2024-11-11 21:35:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4205 states, 4188 states have (on average 1.3385864374403056) internal successors, (5606), 4204 states have internal predecessors, (5606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:23,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 4205 states and 5606 transitions. [2024-11-11 21:35:23,065 INFO L78 Accepts]: Start accepts. Automaton has 4205 states and 5606 transitions. Word has length 64 [2024-11-11 21:35:23,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:23,066 INFO L471 AbstractCegarLoop]: Abstraction has 4205 states and 5606 transitions. [2024-11-11 21:35:23,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:23,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4205 states and 5606 transitions. [2024-11-11 21:35:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-11 21:35:23,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:23,077 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:23,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-11 21:35:23,078 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:23,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:23,078 INFO L85 PathProgramCache]: Analyzing trace with hash -919069742, now seen corresponding path program 1 times [2024-11-11 21:35:23,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:23,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332507212] [2024-11-11 21:35:23,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:23,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:23,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:23,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332507212] [2024-11-11 21:35:23,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332507212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:23,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:23,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:35:23,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338364708] [2024-11-11 21:35:23,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:23,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:35:23,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:23,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:35:23,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:35:23,291 INFO L87 Difference]: Start difference. First operand 4205 states and 5606 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:25,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:25,290 INFO L93 Difference]: Finished difference Result 7816 states and 10452 transitions. [2024-11-11 21:35:25,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:35:25,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-11 21:35:25,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:25,304 INFO L225 Difference]: With dead ends: 7816 [2024-11-11 21:35:25,304 INFO L226 Difference]: Without dead ends: 4781 [2024-11-11 21:35:25,307 INFO L434 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 [2024-11-11 21:35:25,309 INFO L435 NwaCegarLoop]: 1520 mSDtfsCounter, 11477 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11477 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:25,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11477 Valid, 2077 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-11 21:35:25,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2024-11-11 21:35:25,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 4761. [2024-11-11 21:35:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4761 states, 4744 states have (on average 1.3505480607082632) internal successors, (6407), 4760 states have internal predecessors, (6407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:25,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4761 states to 4761 states and 6407 transitions. [2024-11-11 21:35:25,407 INFO L78 Accepts]: Start accepts. Automaton has 4761 states and 6407 transitions. Word has length 65 [2024-11-11 21:35:25,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:25,408 INFO L471 AbstractCegarLoop]: Abstraction has 4761 states and 6407 transitions. [2024-11-11 21:35:25,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:25,409 INFO L276 IsEmpty]: Start isEmpty. Operand 4761 states and 6407 transitions. [2024-11-11 21:35:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-11 21:35:25,418 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:25,419 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:25,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-11 21:35:25,420 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:25,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:25,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1793005613, now seen corresponding path program 1 times [2024-11-11 21:35:25,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:25,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015167032] [2024-11-11 21:35:25,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:25,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:25,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:25,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015167032] [2024-11-11 21:35:25,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015167032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:25,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:25,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:35:25,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139697084] [2024-11-11 21:35:25,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:25,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:35:25,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:25,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:35:25,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:35:25,665 INFO L87 Difference]: Start difference. First operand 4761 states and 6407 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:27,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:27,598 INFO L93 Difference]: Finished difference Result 9743 states and 13157 transitions. [2024-11-11 21:35:27,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:35:27,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2024-11-11 21:35:27,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:27,615 INFO L225 Difference]: With dead ends: 9743 [2024-11-11 21:35:27,615 INFO L226 Difference]: Without dead ends: 6636 [2024-11-11 21:35:27,620 INFO L434 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 [2024-11-11 21:35:27,623 INFO L435 NwaCegarLoop]: 1493 mSDtfsCounter, 10937 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10937 SdHoareTripleChecker+Valid, 2132 SdHoareTripleChecker+Invalid, 2042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:27,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10937 Valid, 2132 Invalid, 2042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-11 21:35:27,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6636 states. [2024-11-11 21:35:27,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6636 to 6609. [2024-11-11 21:35:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6609 states, 6592 states have (on average 1.3577063106796117) internal successors, (8950), 6608 states have internal predecessors, (8950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:27,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6609 states to 6609 states and 8950 transitions. [2024-11-11 21:35:27,753 INFO L78 Accepts]: Start accepts. Automaton has 6609 states and 8950 transitions. Word has length 65 [2024-11-11 21:35:27,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:27,756 INFO L471 AbstractCegarLoop]: Abstraction has 6609 states and 8950 transitions. [2024-11-11 21:35:27,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 6609 states and 8950 transitions. [2024-11-11 21:35:27,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-11 21:35:27,764 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:27,764 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:27,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-11 21:35:27,764 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:27,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:27,765 INFO L85 PathProgramCache]: Analyzing trace with hash -958325289, now seen corresponding path program 1 times [2024-11-11 21:35:27,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:27,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598250855] [2024-11-11 21:35:27,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:27,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:27,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:27,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598250855] [2024-11-11 21:35:27,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598250855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:27,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:27,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-11 21:35:27,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880877955] [2024-11-11 21:35:27,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:27,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-11 21:35:27,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:27,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-11 21:35:27,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-11 21:35:27,971 INFO L87 Difference]: Start difference. First operand 6609 states and 8950 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:29,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:29,677 INFO L93 Difference]: Finished difference Result 12909 states and 17663 transitions. [2024-11-11 21:35:29,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-11 21:35:29,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-11 21:35:29,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:29,710 INFO L225 Difference]: With dead ends: 12909 [2024-11-11 21:35:29,710 INFO L226 Difference]: Without dead ends: 8515 [2024-11-11 21:35:29,719 INFO L434 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 [2024-11-11 21:35:29,720 INFO L435 NwaCegarLoop]: 1364 mSDtfsCounter, 9341 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9341 SdHoareTripleChecker+Valid, 1841 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:29,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9341 Valid, 1841 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1630 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-11 21:35:29,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8515 states. [2024-11-11 21:35:29,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8515 to 8480. [2024-11-11 21:35:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8480 states, 8463 states have (on average 1.3737445350348576) internal successors, (11626), 8479 states have internal predecessors, (11626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8480 states to 8480 states and 11626 transitions. [2024-11-11 21:35:29,895 INFO L78 Accepts]: Start accepts. Automaton has 8480 states and 11626 transitions. Word has length 66 [2024-11-11 21:35:29,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:29,895 INFO L471 AbstractCegarLoop]: Abstraction has 8480 states and 11626 transitions. [2024-11-11 21:35:29,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:29,896 INFO L276 IsEmpty]: Start isEmpty. Operand 8480 states and 11626 transitions. [2024-11-11 21:35:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-11 21:35:29,903 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:29,903 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:29,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-11 21:35:29,903 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:29,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash 215811001, now seen corresponding path program 1 times [2024-11-11 21:35:29,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:29,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023328325] [2024-11-11 21:35:29,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:29,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:30,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:30,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023328325] [2024-11-11 21:35:30,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023328325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:30,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:30,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:35:30,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261618104] [2024-11-11 21:35:30,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:30,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:35:30,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:30,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:35:30,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:35:30,287 INFO L87 Difference]: Start difference. First operand 8480 states and 11626 transitions. Second operand has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:33,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:33,753 INFO L93 Difference]: Finished difference Result 14362 states and 20046 transitions. [2024-11-11 21:35:33,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:35:33,755 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-11 21:35:33,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:33,818 INFO L225 Difference]: With dead ends: 14362 [2024-11-11 21:35:33,822 INFO L226 Difference]: Without dead ends: 13003 [2024-11-11 21:35:33,826 INFO L434 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 [2024-11-11 21:35:33,830 INFO L435 NwaCegarLoop]: 1365 mSDtfsCounter, 11232 mSDsluCounter, 4502 mSDsCounter, 0 mSdLazyCounter, 6632 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11232 SdHoareTripleChecker+Valid, 5867 SdHoareTripleChecker+Invalid, 6769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 6632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:33,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11232 Valid, 5867 Invalid, 6769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 6632 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-11 21:35:33,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13003 states. [2024-11-11 21:35:33,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13003 to 8423. [2024-11-11 21:35:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8423 states, 8406 states have (on average 1.3733047822983584) internal successors, (11544), 8422 states have internal predecessors, (11544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8423 states to 8423 states and 11544 transitions. [2024-11-11 21:35:33,959 INFO L78 Accepts]: Start accepts. Automaton has 8423 states and 11544 transitions. Word has length 66 [2024-11-11 21:35:33,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:33,962 INFO L471 AbstractCegarLoop]: Abstraction has 8423 states and 11544 transitions. [2024-11-11 21:35:33,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 8423 states and 11544 transitions. [2024-11-11 21:35:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-11 21:35:33,969 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:33,969 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:33,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-11 21:35:33,970 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:33,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:33,970 INFO L85 PathProgramCache]: Analyzing trace with hash -531315301, now seen corresponding path program 1 times [2024-11-11 21:35:33,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:33,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800968892] [2024-11-11 21:35:33,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:33,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:34,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:34,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800968892] [2024-11-11 21:35:34,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800968892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:34,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:34,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 21:35:34,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433877763] [2024-11-11 21:35:34,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:34,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 21:35:34,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:34,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 21:35:34,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-11 21:35:34,289 INFO L87 Difference]: Start difference. First operand 8423 states and 11544 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:36,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:36,832 INFO L93 Difference]: Finished difference Result 11405 states and 15883 transitions. [2024-11-11 21:35:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 21:35:36,832 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2024-11-11 21:35:36,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:36,851 INFO L225 Difference]: With dead ends: 11405 [2024-11-11 21:35:36,851 INFO L226 Difference]: Without dead ends: 9940 [2024-11-11 21:35:36,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-11 21:35:36,860 INFO L435 NwaCegarLoop]: 1348 mSDtfsCounter, 11242 mSDsluCounter, 4559 mSDsCounter, 0 mSdLazyCounter, 5233 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11242 SdHoareTripleChecker+Valid, 5907 SdHoareTripleChecker+Invalid, 5248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 5233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:36,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11242 Valid, 5907 Invalid, 5248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 5233 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-11 21:35:36,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9940 states. [2024-11-11 21:35:36,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9940 to 8272. [2024-11-11 21:35:36,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8272 states, 8255 states have (on average 1.3727437916414293) internal successors, (11332), 8271 states have internal predecessors, (11332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8272 states to 8272 states and 11332 transitions. [2024-11-11 21:35:36,988 INFO L78 Accepts]: Start accepts. Automaton has 8272 states and 11332 transitions. Word has length 66 [2024-11-11 21:35:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:36,989 INFO L471 AbstractCegarLoop]: Abstraction has 8272 states and 11332 transitions. [2024-11-11 21:35:36,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 8272 states and 11332 transitions. [2024-11-11 21:35:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-11 21:35:36,998 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:36,998 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:36,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-11 21:35:36,998 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:36,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:36,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1567621872, now seen corresponding path program 1 times [2024-11-11 21:35:36,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:36,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30752186] [2024-11-11 21:35:36,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:37,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:37,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:37,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30752186] [2024-11-11 21:35:37,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30752186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:37,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:37,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:35:37,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741755067] [2024-11-11 21:35:37,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:37,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:35:37,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:37,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:35:37,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:35:37,252 INFO L87 Difference]: Start difference. First operand 8272 states and 11332 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:40,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:40,382 INFO L93 Difference]: Finished difference Result 13225 states and 18431 transitions. [2024-11-11 21:35:40,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 21:35:40,383 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-11 21:35:40,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:40,405 INFO L225 Difference]: With dead ends: 13225 [2024-11-11 21:35:40,406 INFO L226 Difference]: Without dead ends: 13217 [2024-11-11 21:35:40,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-11 21:35:40,411 INFO L435 NwaCegarLoop]: 1428 mSDtfsCounter, 9354 mSDsluCounter, 5246 mSDsCounter, 0 mSdLazyCounter, 6511 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9354 SdHoareTripleChecker+Valid, 6674 SdHoareTripleChecker+Invalid, 6579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 6511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:40,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9354 Valid, 6674 Invalid, 6579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 6511 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-11 21:35:40,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13217 states. [2024-11-11 21:35:40,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13217 to 8272. [2024-11-11 21:35:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8272 states, 8255 states have (on average 1.3726226529376135) internal successors, (11331), 8271 states have internal predecessors, (11331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8272 states to 8272 states and 11331 transitions. [2024-11-11 21:35:40,699 INFO L78 Accepts]: Start accepts. Automaton has 8272 states and 11331 transitions. Word has length 67 [2024-11-11 21:35:40,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:40,700 INFO L471 AbstractCegarLoop]: Abstraction has 8272 states and 11331 transitions. [2024-11-11 21:35:40,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 8272 states and 11331 transitions. [2024-11-11 21:35:40,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-11 21:35:40,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:40,708 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:40,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-11 21:35:40,708 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:40,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:40,709 INFO L85 PathProgramCache]: Analyzing trace with hash 435988824, now seen corresponding path program 1 times [2024-11-11 21:35:40,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:40,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131694966] [2024-11-11 21:35:40,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:40,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:41,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:41,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131694966] [2024-11-11 21:35:41,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131694966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:41,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:41,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:35:41,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326654966] [2024-11-11 21:35:41,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:41,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:35:41,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:41,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:35:41,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:35:41,092 INFO L87 Difference]: Start difference. First operand 8272 states and 11331 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:43,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:43,664 INFO L93 Difference]: Finished difference Result 9712 states and 13342 transitions. [2024-11-11 21:35:43,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:35:43,665 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-11 21:35:43,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:43,678 INFO L225 Difference]: With dead ends: 9712 [2024-11-11 21:35:43,679 INFO L226 Difference]: Without dead ends: 9707 [2024-11-11 21:35:43,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:35:43,683 INFO L435 NwaCegarLoop]: 1375 mSDtfsCounter, 13102 mSDsluCounter, 4417 mSDsCounter, 0 mSdLazyCounter, 5178 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13102 SdHoareTripleChecker+Valid, 5792 SdHoareTripleChecker+Invalid, 5202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 5178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:43,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13102 Valid, 5792 Invalid, 5202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 5178 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-11 21:35:43,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9707 states. [2024-11-11 21:35:43,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9707 to 8272. [2024-11-11 21:35:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8272 states, 8255 states have (on average 1.3725015142337977) internal successors, (11330), 8271 states have internal predecessors, (11330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:43,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8272 states to 8272 states and 11330 transitions. [2024-11-11 21:35:43,824 INFO L78 Accepts]: Start accepts. Automaton has 8272 states and 11330 transitions. Word has length 67 [2024-11-11 21:35:43,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:43,824 INFO L471 AbstractCegarLoop]: Abstraction has 8272 states and 11330 transitions. [2024-11-11 21:35:43,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand 8272 states and 11330 transitions. [2024-11-11 21:35:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-11 21:35:43,830 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:43,830 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:43,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-11 21:35:43,830 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:43,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:43,831 INFO L85 PathProgramCache]: Analyzing trace with hash -2090357239, now seen corresponding path program 1 times [2024-11-11 21:35:43,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:43,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805995885] [2024-11-11 21:35:43,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:44,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:44,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805995885] [2024-11-11 21:35:44,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805995885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:44,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:44,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:35:44,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325904099] [2024-11-11 21:35:44,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:44,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-11 21:35:44,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:44,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-11 21:35:44,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-11 21:35:44,400 INFO L87 Difference]: Start difference. First operand 8272 states and 11330 transitions. Second operand has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:45,664 INFO L93 Difference]: Finished difference Result 10293 states and 14274 transitions. [2024-11-11 21:35:45,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:35:45,665 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-11 21:35:45,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:45,677 INFO L225 Difference]: With dead ends: 10293 [2024-11-11 21:35:45,678 INFO L226 Difference]: Without dead ends: 10289 [2024-11-11 21:35:45,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2024-11-11 21:35:45,681 INFO L435 NwaCegarLoop]: 2389 mSDtfsCounter, 14839 mSDsluCounter, 9182 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14839 SdHoareTripleChecker+Valid, 11571 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:45,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14839 Valid, 11571 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-11 21:35:45,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10289 states. [2024-11-11 21:35:45,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10289 to 8268. [2024-11-11 21:35:45,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8268 states, 8252 states have (on average 1.372515753756665) internal successors, (11326), 8267 states have internal predecessors, (11326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:45,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8268 states to 8268 states and 11326 transitions. [2024-11-11 21:35:45,800 INFO L78 Accepts]: Start accepts. Automaton has 8268 states and 11326 transitions. Word has length 67 [2024-11-11 21:35:45,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:45,800 INFO L471 AbstractCegarLoop]: Abstraction has 8268 states and 11326 transitions. [2024-11-11 21:35:45,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 8268 states and 11326 transitions. [2024-11-11 21:35:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-11 21:35:45,805 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:45,805 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:45,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-11 21:35:45,805 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:45,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:45,806 INFO L85 PathProgramCache]: Analyzing trace with hash 822338575, now seen corresponding path program 1 times [2024-11-11 21:35:45,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:45,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243239387] [2024-11-11 21:35:45,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:45,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:46,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:46,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243239387] [2024-11-11 21:35:46,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243239387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:46,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:46,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-11 21:35:46,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026369675] [2024-11-11 21:35:46,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:46,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-11 21:35:46,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:46,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-11 21:35:46,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-11 21:35:46,536 INFO L87 Difference]: Start difference. First operand 8268 states and 11326 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:48,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:48,300 INFO L93 Difference]: Finished difference Result 12398 states and 17200 transitions. [2024-11-11 21:35:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-11 21:35:48,301 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-11 21:35:48,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:48,323 INFO L225 Difference]: With dead ends: 12398 [2024-11-11 21:35:48,323 INFO L226 Difference]: Without dead ends: 12394 [2024-11-11 21:35:48,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2024-11-11 21:35:48,331 INFO L435 NwaCegarLoop]: 2367 mSDtfsCounter, 19396 mSDsluCounter, 15775 mSDsCounter, 0 mSdLazyCounter, 2249 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19396 SdHoareTripleChecker+Valid, 18142 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:48,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19396 Valid, 18142 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2249 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 21:35:48,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12394 states. [2024-11-11 21:35:48,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12394 to 8264. [2024-11-11 21:35:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8264 states, 8249 states have (on average 1.3725300036368044) internal successors, (11322), 8263 states have internal predecessors, (11322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8264 states to 8264 states and 11322 transitions. [2024-11-11 21:35:48,469 INFO L78 Accepts]: Start accepts. Automaton has 8264 states and 11322 transitions. Word has length 67 [2024-11-11 21:35:48,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:48,469 INFO L471 AbstractCegarLoop]: Abstraction has 8264 states and 11322 transitions. [2024-11-11 21:35:48,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 8264 states and 11322 transitions. [2024-11-11 21:35:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-11 21:35:48,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:48,477 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:48,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-11 21:35:48,477 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:48,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:48,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1877034391, now seen corresponding path program 1 times [2024-11-11 21:35:48,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:48,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341911116] [2024-11-11 21:35:48,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:48,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:48,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:48,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341911116] [2024-11-11 21:35:48,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341911116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:48,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:48,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 21:35:48,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213603862] [2024-11-11 21:35:48,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:48,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:35:48,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:48,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:35:48,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:35:48,966 INFO L87 Difference]: Start difference. First operand 8264 states and 11322 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:51,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:51,247 INFO L93 Difference]: Finished difference Result 13525 states and 18899 transitions. [2024-11-11 21:35:51,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:35:51,248 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-11 21:35:51,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:51,265 INFO L225 Difference]: With dead ends: 13525 [2024-11-11 21:35:51,265 INFO L226 Difference]: Without dead ends: 13514 [2024-11-11 21:35:51,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-11 21:35:51,270 INFO L435 NwaCegarLoop]: 2343 mSDtfsCounter, 15909 mSDsluCounter, 10839 mSDsCounter, 0 mSdLazyCounter, 3378 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15909 SdHoareTripleChecker+Valid, 13182 SdHoareTripleChecker+Invalid, 3451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 3378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:51,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15909 Valid, 13182 Invalid, 3451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 3378 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-11 21:35:51,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13514 states. [2024-11-11 21:35:51,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13514 to 8258. [2024-11-11 21:35:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8258 states, 8243 states have (on average 1.3726798495693315) internal successors, (11315), 8257 states have internal predecessors, (11315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8258 states to 8258 states and 11315 transitions. [2024-11-11 21:35:51,404 INFO L78 Accepts]: Start accepts. Automaton has 8258 states and 11315 transitions. Word has length 68 [2024-11-11 21:35:51,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:51,405 INFO L471 AbstractCegarLoop]: Abstraction has 8258 states and 11315 transitions. [2024-11-11 21:35:51,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 8258 states and 11315 transitions. [2024-11-11 21:35:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-11 21:35:51,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:51,412 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:51,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-11 21:35:51,412 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:51,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:51,412 INFO L85 PathProgramCache]: Analyzing trace with hash 702049040, now seen corresponding path program 1 times [2024-11-11 21:35:51,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:51,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066473719] [2024-11-11 21:35:51,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:51,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:51,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:51,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:51,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066473719] [2024-11-11 21:35:51,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066473719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:51,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:51,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-11 21:35:51,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467370227] [2024-11-11 21:35:51,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:51,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-11 21:35:51,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:51,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-11 21:35:51,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-11 21:35:51,737 INFO L87 Difference]: Start difference. First operand 8258 states and 11315 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:54,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:54,139 INFO L93 Difference]: Finished difference Result 11502 states and 16008 transitions. [2024-11-11 21:35:54,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-11 21:35:54,139 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-11 21:35:54,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:54,149 INFO L225 Difference]: With dead ends: 11502 [2024-11-11 21:35:54,149 INFO L226 Difference]: Without dead ends: 9921 [2024-11-11 21:35:54,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-11 21:35:54,153 INFO L435 NwaCegarLoop]: 1338 mSDtfsCounter, 11155 mSDsluCounter, 4538 mSDsCounter, 0 mSdLazyCounter, 5208 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11155 SdHoareTripleChecker+Valid, 5876 SdHoareTripleChecker+Invalid, 5223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 5208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:54,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11155 Valid, 5876 Invalid, 5223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 5208 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-11 21:35:54,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9921 states. [2024-11-11 21:35:54,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9921 to 8258. [2024-11-11 21:35:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8258 states, 8243 states have (on average 1.3725585345141331) internal successors, (11314), 8257 states have internal predecessors, (11314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8258 states to 8258 states and 11314 transitions. [2024-11-11 21:35:54,245 INFO L78 Accepts]: Start accepts. Automaton has 8258 states and 11314 transitions. Word has length 68 [2024-11-11 21:35:54,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:54,246 INFO L471 AbstractCegarLoop]: Abstraction has 8258 states and 11314 transitions. [2024-11-11 21:35:54,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 7 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 8258 states and 11314 transitions. [2024-11-11 21:35:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-11 21:35:54,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:54,251 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:54,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-11 21:35:54,251 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:54,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:54,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1625518918, now seen corresponding path program 1 times [2024-11-11 21:35:54,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:54,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283158688] [2024-11-11 21:35:54,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:54,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:54,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:54,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283158688] [2024-11-11 21:35:54,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283158688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:54,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:54,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:35:54,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054391602] [2024-11-11 21:35:54,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:54,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:35:54,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:54,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:35:54,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:35:54,652 INFO L87 Difference]: Start difference. First operand 8258 states and 11314 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:57,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:35:57,427 INFO L93 Difference]: Finished difference Result 14520 states and 20450 transitions. [2024-11-11 21:35:57,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-11 21:35:57,428 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-11 21:35:57,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:35:57,446 INFO L225 Difference]: With dead ends: 14520 [2024-11-11 21:35:57,446 INFO L226 Difference]: Without dead ends: 13203 [2024-11-11 21:35:57,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-11 21:35:57,457 INFO L435 NwaCegarLoop]: 1418 mSDtfsCounter, 11757 mSDsluCounter, 4658 mSDsCounter, 0 mSdLazyCounter, 5933 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11757 SdHoareTripleChecker+Valid, 6076 SdHoareTripleChecker+Invalid, 6002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 5933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-11 21:35:57,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11757 Valid, 6076 Invalid, 6002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 5933 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-11 21:35:57,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13203 states. [2024-11-11 21:35:57,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13203 to 8258. [2024-11-11 21:35:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8258 states, 8243 states have (on average 1.372437219458935) internal successors, (11313), 8257 states have internal predecessors, (11313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:57,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8258 states to 8258 states and 11313 transitions. [2024-11-11 21:35:57,599 INFO L78 Accepts]: Start accepts. Automaton has 8258 states and 11313 transitions. Word has length 68 [2024-11-11 21:35:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:35:57,599 INFO L471 AbstractCegarLoop]: Abstraction has 8258 states and 11313 transitions. [2024-11-11 21:35:57,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:35:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 8258 states and 11313 transitions. [2024-11-11 21:35:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-11 21:35:57,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:35:57,608 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:35:57,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-11 21:35:57,608 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:35:57,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:35:57,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1023482213, now seen corresponding path program 1 times [2024-11-11 21:35:57,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:35:57,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703527556] [2024-11-11 21:35:57,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:35:57,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:35:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:35:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:35:57,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:35:57,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703527556] [2024-11-11 21:35:57,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703527556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:35:57,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:35:57,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:35:57,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102222444] [2024-11-11 21:35:57,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:35:57,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:35:57,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:35:57,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:35:57,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:35:57,849 INFO L87 Difference]: Start difference. First operand 8258 states and 11313 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:01,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:01,071 INFO L93 Difference]: Finished difference Result 14300 states and 19971 transitions. [2024-11-11 21:36:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:36:01,072 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-11 21:36:01,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:01,085 INFO L225 Difference]: With dead ends: 14300 [2024-11-11 21:36:01,085 INFO L226 Difference]: Without dead ends: 12941 [2024-11-11 21:36:01,090 INFO L434 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 [2024-11-11 21:36:01,090 INFO L435 NwaCegarLoop]: 1379 mSDtfsCounter, 11074 mSDsluCounter, 6092 mSDsCounter, 0 mSdLazyCounter, 8369 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11074 SdHoareTripleChecker+Valid, 7471 SdHoareTripleChecker+Invalid, 8470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 8369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:01,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11074 Valid, 7471 Invalid, 8470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 8369 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-11 21:36:01,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12941 states. [2024-11-11 21:36:01,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12941 to 8258. [2024-11-11 21:36:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8258 states, 8243 states have (on average 1.3723159044037365) internal successors, (11312), 8257 states have internal predecessors, (11312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8258 states to 8258 states and 11312 transitions. [2024-11-11 21:36:01,207 INFO L78 Accepts]: Start accepts. Automaton has 8258 states and 11312 transitions. Word has length 68 [2024-11-11 21:36:01,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:01,207 INFO L471 AbstractCegarLoop]: Abstraction has 8258 states and 11312 transitions. [2024-11-11 21:36:01,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 8258 states and 11312 transitions. [2024-11-11 21:36:01,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-11 21:36:01,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:01,213 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:01,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-11 21:36:01,213 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:01,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:01,213 INFO L85 PathProgramCache]: Analyzing trace with hash -53728106, now seen corresponding path program 1 times [2024-11-11 21:36:01,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:01,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195292452] [2024-11-11 21:36:01,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:01,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:01,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:01,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195292452] [2024-11-11 21:36:01,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195292452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:01,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:01,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 21:36:01,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534126642] [2024-11-11 21:36:01,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:01,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:36:01,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:01,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:36:01,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:36:01,789 INFO L87 Difference]: Start difference. First operand 8258 states and 11312 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:03,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:03,316 INFO L93 Difference]: Finished difference Result 12205 states and 17038 transitions. [2024-11-11 21:36:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:36:03,316 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-11 21:36:03,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:03,327 INFO L225 Difference]: With dead ends: 12205 [2024-11-11 21:36:03,327 INFO L226 Difference]: Without dead ends: 12197 [2024-11-11 21:36:03,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-11 21:36:03,330 INFO L435 NwaCegarLoop]: 2565 mSDtfsCounter, 14962 mSDsluCounter, 13607 mSDsCounter, 0 mSdLazyCounter, 2275 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14962 SdHoareTripleChecker+Valid, 16172 SdHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:03,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14962 Valid, 16172 Invalid, 2308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2275 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 21:36:03,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12197 states. [2024-11-11 21:36:03,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12197 to 8250. [2024-11-11 21:36:03,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8250 states, 8236 states have (on average 1.3723895094706169) internal successors, (11303), 8249 states have internal predecessors, (11303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8250 states to 8250 states and 11303 transitions. [2024-11-11 21:36:03,410 INFO L78 Accepts]: Start accepts. Automaton has 8250 states and 11303 transitions. Word has length 68 [2024-11-11 21:36:03,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:03,411 INFO L471 AbstractCegarLoop]: Abstraction has 8250 states and 11303 transitions. [2024-11-11 21:36:03,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 8250 states and 11303 transitions. [2024-11-11 21:36:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-11 21:36:03,415 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:03,415 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:03,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-11 21:36:03,415 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:03,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:03,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1836776824, now seen corresponding path program 1 times [2024-11-11 21:36:03,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:03,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695878159] [2024-11-11 21:36:03,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:03,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:03,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:03,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695878159] [2024-11-11 21:36:03,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695878159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:03,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:03,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 21:36:03,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127339515] [2024-11-11 21:36:03,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:03,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 21:36:03,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:03,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 21:36:03,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:03,476 INFO L87 Difference]: Start difference. First operand 8250 states and 11303 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:03,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:03,583 INFO L93 Difference]: Finished difference Result 12108 states and 16869 transitions. [2024-11-11 21:36:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 21:36:03,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2024-11-11 21:36:03,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:03,589 INFO L225 Difference]: With dead ends: 12108 [2024-11-11 21:36:03,589 INFO L226 Difference]: Without dead ends: 7429 [2024-11-11 21:36:03,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:03,594 INFO L435 NwaCegarLoop]: 2029 mSDtfsCounter, 1980 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 2701 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:03,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 2701 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:36:03,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7429 states. [2024-11-11 21:36:03,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7429 to 7411. [2024-11-11 21:36:03,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7411 states, 7401 states have (on average 1.3873800837724632) internal successors, (10268), 7410 states have internal predecessors, (10268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7411 states to 7411 states and 10268 transitions. [2024-11-11 21:36:03,816 INFO L78 Accepts]: Start accepts. Automaton has 7411 states and 10268 transitions. Word has length 68 [2024-11-11 21:36:03,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:03,816 INFO L471 AbstractCegarLoop]: Abstraction has 7411 states and 10268 transitions. [2024-11-11 21:36:03,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 7411 states and 10268 transitions. [2024-11-11 21:36:03,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-11 21:36:03,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:03,824 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:03,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-11 21:36:03,825 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:03,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:03,830 INFO L85 PathProgramCache]: Analyzing trace with hash 837543786, now seen corresponding path program 1 times [2024-11-11 21:36:03,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:03,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462832511] [2024-11-11 21:36:03,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:03,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:03,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:03,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:03,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462832511] [2024-11-11 21:36:03,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462832511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:03,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:03,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 21:36:03,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137661558] [2024-11-11 21:36:03,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:03,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 21:36:03,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:03,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 21:36:03,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:03,931 INFO L87 Difference]: Start difference. First operand 7411 states and 10268 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:04,069 INFO L93 Difference]: Finished difference Result 11894 states and 16765 transitions. [2024-11-11 21:36:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 21:36:04,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-11 21:36:04,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:04,078 INFO L225 Difference]: With dead ends: 11894 [2024-11-11 21:36:04,078 INFO L226 Difference]: Without dead ends: 7104 [2024-11-11 21:36:04,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:04,084 INFO L435 NwaCegarLoop]: 1621 mSDtfsCounter, 1599 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:04,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1599 Valid, 2135 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:36:04,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7104 states. [2024-11-11 21:36:04,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7104 to 7096. [2024-11-11 21:36:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7096 states, 7089 states have (on average 1.404429397658344) internal successors, (9956), 7095 states have internal predecessors, (9956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7096 states to 7096 states and 9956 transitions. [2024-11-11 21:36:04,153 INFO L78 Accepts]: Start accepts. Automaton has 7096 states and 9956 transitions. Word has length 69 [2024-11-11 21:36:04,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:04,154 INFO L471 AbstractCegarLoop]: Abstraction has 7096 states and 9956 transitions. [2024-11-11 21:36:04,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,154 INFO L276 IsEmpty]: Start isEmpty. Operand 7096 states and 9956 transitions. [2024-11-11 21:36:04,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-11 21:36:04,157 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:04,157 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:04,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-11 21:36:04,158 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:04,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:04,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1076361939, now seen corresponding path program 1 times [2024-11-11 21:36:04,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:04,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146882807] [2024-11-11 21:36:04,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:04,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:04,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:04,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:04,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146882807] [2024-11-11 21:36:04,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146882807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:04,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:04,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 21:36:04,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972843780] [2024-11-11 21:36:04,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:04,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 21:36:04,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:04,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 21:36:04,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:04,217 INFO L87 Difference]: Start difference. First operand 7096 states and 9956 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:04,279 INFO L93 Difference]: Finished difference Result 11514 states and 16805 transitions. [2024-11-11 21:36:04,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 21:36:04,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-11 21:36:04,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:04,288 INFO L225 Difference]: With dead ends: 11514 [2024-11-11 21:36:04,288 INFO L226 Difference]: Without dead ends: 8111 [2024-11-11 21:36:04,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:04,292 INFO L435 NwaCegarLoop]: 1696 mSDtfsCounter, 995 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:04,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 2442 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 21:36:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8111 states. [2024-11-11 21:36:04,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8111 to 6624. [2024-11-11 21:36:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6624 states, 6617 states have (on average 1.4293486474233037) internal successors, (9458), 6623 states have internal predecessors, (9458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6624 states to 6624 states and 9458 transitions. [2024-11-11 21:36:04,363 INFO L78 Accepts]: Start accepts. Automaton has 6624 states and 9458 transitions. Word has length 69 [2024-11-11 21:36:04,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:04,364 INFO L471 AbstractCegarLoop]: Abstraction has 6624 states and 9458 transitions. [2024-11-11 21:36:04,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 6624 states and 9458 transitions. [2024-11-11 21:36:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-11 21:36:04,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:04,366 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:04,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-11 21:36:04,368 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:04,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash 208509551, now seen corresponding path program 1 times [2024-11-11 21:36:04,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:04,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465270954] [2024-11-11 21:36:04,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:04,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:04,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465270954] [2024-11-11 21:36:04,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465270954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:04,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:04,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 21:36:04,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499050366] [2024-11-11 21:36:04,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:04,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 21:36:04,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:04,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 21:36:04,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:04,441 INFO L87 Difference]: Start difference. First operand 6624 states and 9458 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:04,537 INFO L93 Difference]: Finished difference Result 14604 states and 21367 transitions. [2024-11-11 21:36:04,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 21:36:04,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-11 21:36:04,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:04,547 INFO L225 Difference]: With dead ends: 14604 [2024-11-11 21:36:04,548 INFO L226 Difference]: Without dead ends: 10533 [2024-11-11 21:36:04,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:04,554 INFO L435 NwaCegarLoop]: 1783 mSDtfsCounter, 1030 mSDsluCounter, 1305 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1030 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:04,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1030 Valid, 3088 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:36:04,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10533 states. [2024-11-11 21:36:04,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10533 to 10525. [2024-11-11 21:36:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10525 states, 10518 states have (on average 1.4368701274006466) internal successors, (15113), 10524 states have internal predecessors, (15113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10525 states to 10525 states and 15113 transitions. [2024-11-11 21:36:04,655 INFO L78 Accepts]: Start accepts. Automaton has 10525 states and 15113 transitions. Word has length 69 [2024-11-11 21:36:04,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:04,655 INFO L471 AbstractCegarLoop]: Abstraction has 10525 states and 15113 transitions. [2024-11-11 21:36:04,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 10525 states and 15113 transitions. [2024-11-11 21:36:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-11 21:36:04,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:04,658 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:04,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-11 21:36:04,659 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:04,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:04,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1908328951, now seen corresponding path program 1 times [2024-11-11 21:36:04,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:04,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765544913] [2024-11-11 21:36:04,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:04,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:04,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:04,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765544913] [2024-11-11 21:36:04,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765544913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:04,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:04,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 21:36:04,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507599170] [2024-11-11 21:36:04,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:04,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 21:36:04,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:04,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 21:36:04,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:04,727 INFO L87 Difference]: Start difference. First operand 10525 states and 15113 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:04,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:04,876 INFO L93 Difference]: Finished difference Result 24885 states and 36375 transitions. [2024-11-11 21:36:04,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 21:36:04,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2024-11-11 21:36:04,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:04,891 INFO L225 Difference]: With dead ends: 24885 [2024-11-11 21:36:04,892 INFO L226 Difference]: Without dead ends: 17160 [2024-11-11 21:36:04,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:04,904 INFO L435 NwaCegarLoop]: 1827 mSDtfsCounter, 921 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 3076 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:04,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 3076 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:36:04,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17160 states. [2024-11-11 21:36:05,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17160 to 17152. [2024-11-11 21:36:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17152 states, 17145 states have (on average 1.4305628463108777) internal successors, (24527), 17151 states have internal predecessors, (24527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:05,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17152 states to 17152 states and 24527 transitions. [2024-11-11 21:36:05,107 INFO L78 Accepts]: Start accepts. Automaton has 17152 states and 24527 transitions. Word has length 69 [2024-11-11 21:36:05,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:05,107 INFO L471 AbstractCegarLoop]: Abstraction has 17152 states and 24527 transitions. [2024-11-11 21:36:05,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 17152 states and 24527 transitions. [2024-11-11 21:36:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-11 21:36:05,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:05,113 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:05,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-11 21:36:05,113 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:05,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:05,114 INFO L85 PathProgramCache]: Analyzing trace with hash -736488177, now seen corresponding path program 1 times [2024-11-11 21:36:05,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:05,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329715465] [2024-11-11 21:36:05,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:05,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:05,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:05,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329715465] [2024-11-11 21:36:05,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329715465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:05,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:05,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 21:36:05,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239939651] [2024-11-11 21:36:05,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:05,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 21:36:05,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:05,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 21:36:05,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:05,183 INFO L87 Difference]: Start difference. First operand 17152 states and 24527 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:05,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:05,374 INFO L93 Difference]: Finished difference Result 33874 states and 49224 transitions. [2024-11-11 21:36:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 21:36:05,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-11 21:36:05,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:05,397 INFO L225 Difference]: With dead ends: 33874 [2024-11-11 21:36:05,397 INFO L226 Difference]: Without dead ends: 18735 [2024-11-11 21:36:05,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:05,414 INFO L435 NwaCegarLoop]: 1563 mSDtfsCounter, 1459 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:05,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 2178 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:36:05,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18735 states. [2024-11-11 21:36:05,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18735 to 15043. [2024-11-11 21:36:05,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15043 states, 15036 states have (on average 1.4511173184357542) internal successors, (21819), 15042 states have internal predecessors, (21819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15043 states to 15043 states and 21819 transitions. [2024-11-11 21:36:05,588 INFO L78 Accepts]: Start accepts. Automaton has 15043 states and 21819 transitions. Word has length 70 [2024-11-11 21:36:05,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:05,589 INFO L471 AbstractCegarLoop]: Abstraction has 15043 states and 21819 transitions. [2024-11-11 21:36:05,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:05,589 INFO L276 IsEmpty]: Start isEmpty. Operand 15043 states and 21819 transitions. [2024-11-11 21:36:05,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-11 21:36:05,592 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:05,593 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:05,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-11 21:36:05,593 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:05,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:05,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1726166193, now seen corresponding path program 1 times [2024-11-11 21:36:05,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:05,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695557990] [2024-11-11 21:36:05,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:05,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:05,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:05,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:05,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695557990] [2024-11-11 21:36:05,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695557990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:05,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:05,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 21:36:05,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722724371] [2024-11-11 21:36:05,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:05,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 21:36:05,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:05,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 21:36:05,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:05,644 INFO L87 Difference]: Start difference. First operand 15043 states and 21819 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:05,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:05,862 INFO L93 Difference]: Finished difference Result 30928 states and 45366 transitions. [2024-11-11 21:36:05,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 21:36:05,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2024-11-11 21:36:05,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:05,881 INFO L225 Difference]: With dead ends: 30928 [2024-11-11 21:36:05,881 INFO L226 Difference]: Without dead ends: 16899 [2024-11-11 21:36:05,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:05,894 INFO L435 NwaCegarLoop]: 1350 mSDtfsCounter, 1083 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:05,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 1896 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-11 21:36:05,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16899 states. [2024-11-11 21:36:06,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16899 to 13704. [2024-11-11 21:36:06,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13704 states, 13697 states have (on average 1.4629480908228079) internal successors, (20038), 13703 states have internal predecessors, (20038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13704 states to 13704 states and 20038 transitions. [2024-11-11 21:36:06,057 INFO L78 Accepts]: Start accepts. Automaton has 13704 states and 20038 transitions. Word has length 70 [2024-11-11 21:36:06,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:06,058 INFO L471 AbstractCegarLoop]: Abstraction has 13704 states and 20038 transitions. [2024-11-11 21:36:06,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:06,058 INFO L276 IsEmpty]: Start isEmpty. Operand 13704 states and 20038 transitions. [2024-11-11 21:36:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-11 21:36:06,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:06,060 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:06,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-11 21:36:06,060 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:06,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:06,061 INFO L85 PathProgramCache]: Analyzing trace with hash 246166670, now seen corresponding path program 1 times [2024-11-11 21:36:06,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:06,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317041435] [2024-11-11 21:36:06,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:06,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:06,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:06,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317041435] [2024-11-11 21:36:06,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317041435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:06,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:06,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:36:06,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471017589] [2024-11-11 21:36:06,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:06,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:36:06,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:06,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:36:06,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:36:06,352 INFO L87 Difference]: Start difference. First operand 13704 states and 20038 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:07,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:07,938 INFO L93 Difference]: Finished difference Result 24430 states and 35556 transitions. [2024-11-11 21:36:07,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:36:07,938 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-11 21:36:07,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:07,965 INFO L225 Difference]: With dead ends: 24430 [2024-11-11 21:36:07,965 INFO L226 Difference]: Without dead ends: 23894 [2024-11-11 21:36:07,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2024-11-11 21:36:07,974 INFO L435 NwaCegarLoop]: 833 mSDtfsCounter, 6874 mSDsluCounter, 2621 mSDsCounter, 0 mSdLazyCounter, 3424 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6874 SdHoareTripleChecker+Valid, 3454 SdHoareTripleChecker+Invalid, 3470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 3424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:07,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6874 Valid, 3454 Invalid, 3470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 3424 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 21:36:07,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23894 states. [2024-11-11 21:36:08,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23894 to 13704. [2024-11-11 21:36:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13704 states, 13697 states have (on average 1.4628020734467402) internal successors, (20036), 13703 states have internal predecessors, (20036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13704 states to 13704 states and 20036 transitions. [2024-11-11 21:36:08,180 INFO L78 Accepts]: Start accepts. Automaton has 13704 states and 20036 transitions. Word has length 71 [2024-11-11 21:36:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:08,181 INFO L471 AbstractCegarLoop]: Abstraction has 13704 states and 20036 transitions. [2024-11-11 21:36:08,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 13704 states and 20036 transitions. [2024-11-11 21:36:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-11 21:36:08,183 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:08,183 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:08,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-11 21:36:08,184 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:08,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:08,184 INFO L85 PathProgramCache]: Analyzing trace with hash -168991978, now seen corresponding path program 1 times [2024-11-11 21:36:08,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:08,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003174860] [2024-11-11 21:36:08,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:08,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:08,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:08,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:08,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003174860] [2024-11-11 21:36:08,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003174860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:08,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:08,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:36:08,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147011513] [2024-11-11 21:36:08,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:08,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:36:08,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:08,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:36:08,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:36:08,593 INFO L87 Difference]: Start difference. First operand 13704 states and 20036 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:10,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:10,016 INFO L93 Difference]: Finished difference Result 17715 states and 25749 transitions. [2024-11-11 21:36:10,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:36:10,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-11 21:36:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:10,033 INFO L225 Difference]: With dead ends: 17715 [2024-11-11 21:36:10,034 INFO L226 Difference]: Without dead ends: 17317 [2024-11-11 21:36:10,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:36:10,039 INFO L435 NwaCegarLoop]: 783 mSDtfsCounter, 7245 mSDsluCounter, 2526 mSDsCounter, 0 mSdLazyCounter, 2743 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7245 SdHoareTripleChecker+Valid, 3309 SdHoareTripleChecker+Invalid, 2762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:10,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7245 Valid, 3309 Invalid, 2762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2743 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 21:36:10,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17317 states. [2024-11-11 21:36:10,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17317 to 13704. [2024-11-11 21:36:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13704 states, 13697 states have (on average 1.4626560560706725) internal successors, (20034), 13703 states have internal predecessors, (20034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13704 states to 13704 states and 20034 transitions. [2024-11-11 21:36:10,182 INFO L78 Accepts]: Start accepts. Automaton has 13704 states and 20034 transitions. Word has length 71 [2024-11-11 21:36:10,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:10,182 INFO L471 AbstractCegarLoop]: Abstraction has 13704 states and 20034 transitions. [2024-11-11 21:36:10,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 13704 states and 20034 transitions. [2024-11-11 21:36:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-11 21:36:10,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:10,184 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:10,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-11 21:36:10,184 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:10,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:10,185 INFO L85 PathProgramCache]: Analyzing trace with hash -331643833, now seen corresponding path program 1 times [2024-11-11 21:36:10,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:10,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132404045] [2024-11-11 21:36:10,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:10,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:10,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:10,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132404045] [2024-11-11 21:36:10,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132404045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:10,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:10,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:36:10,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811324468] [2024-11-11 21:36:10,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:10,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:36:10,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:10,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:36:10,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:36:10,430 INFO L87 Difference]: Start difference. First operand 13704 states and 20034 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:11,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:11,899 INFO L93 Difference]: Finished difference Result 17827 states and 25864 transitions. [2024-11-11 21:36:11,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:36:11,899 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-11 21:36:11,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:11,916 INFO L225 Difference]: With dead ends: 17827 [2024-11-11 21:36:11,917 INFO L226 Difference]: Without dead ends: 17391 [2024-11-11 21:36:11,922 INFO L434 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 [2024-11-11 21:36:11,923 INFO L435 NwaCegarLoop]: 831 mSDtfsCounter, 5043 mSDsluCounter, 2663 mSDsCounter, 0 mSdLazyCounter, 3076 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5043 SdHoareTripleChecker+Valid, 3494 SdHoareTripleChecker+Invalid, 3102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:11,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5043 Valid, 3494 Invalid, 3102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 3076 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 21:36:11,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17391 states. [2024-11-11 21:36:12,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17391 to 13704. [2024-11-11 21:36:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13704 states, 13697 states have (on average 1.4625100386946046) internal successors, (20032), 13703 states have internal predecessors, (20032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13704 states to 13704 states and 20032 transitions. [2024-11-11 21:36:12,060 INFO L78 Accepts]: Start accepts. Automaton has 13704 states and 20032 transitions. Word has length 71 [2024-11-11 21:36:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:12,061 INFO L471 AbstractCegarLoop]: Abstraction has 13704 states and 20032 transitions. [2024-11-11 21:36:12,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 13704 states and 20032 transitions. [2024-11-11 21:36:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-11 21:36:12,063 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:12,063 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:12,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-11 21:36:12,063 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:12,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:12,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1936211158, now seen corresponding path program 1 times [2024-11-11 21:36:12,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:12,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479284518] [2024-11-11 21:36:12,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:12,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:12,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479284518] [2024-11-11 21:36:12,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479284518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:12,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:12,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:36:12,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900983007] [2024-11-11 21:36:12,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:12,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:36:12,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:12,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:36:12,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:36:12,312 INFO L87 Difference]: Start difference. First operand 13704 states and 20032 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:13,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:13,899 INFO L93 Difference]: Finished difference Result 17712 states and 25741 transitions. [2024-11-11 21:36:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:36:13,900 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-11 21:36:13,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:13,916 INFO L225 Difference]: With dead ends: 17712 [2024-11-11 21:36:13,916 INFO L226 Difference]: Without dead ends: 17317 [2024-11-11 21:36:13,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:36:13,920 INFO L435 NwaCegarLoop]: 796 mSDtfsCounter, 7178 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 2759 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7178 SdHoareTripleChecker+Valid, 3361 SdHoareTripleChecker+Invalid, 2778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:13,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7178 Valid, 3361 Invalid, 2778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2759 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-11 21:36:13,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17317 states. [2024-11-11 21:36:14,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17317 to 13704. [2024-11-11 21:36:14,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13704 states, 13697 states have (on average 1.4624370300065708) internal successors, (20031), 13703 states have internal predecessors, (20031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13704 states to 13704 states and 20031 transitions. [2024-11-11 21:36:14,051 INFO L78 Accepts]: Start accepts. Automaton has 13704 states and 20031 transitions. Word has length 71 [2024-11-11 21:36:14,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:14,051 INFO L471 AbstractCegarLoop]: Abstraction has 13704 states and 20031 transitions. [2024-11-11 21:36:14,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 13704 states and 20031 transitions. [2024-11-11 21:36:14,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-11 21:36:14,053 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:14,054 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:14,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-11 21:36:14,054 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:14,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:14,054 INFO L85 PathProgramCache]: Analyzing trace with hash 648906819, now seen corresponding path program 1 times [2024-11-11 21:36:14,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:14,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820388593] [2024-11-11 21:36:14,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:14,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:14,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:14,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820388593] [2024-11-11 21:36:14,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820388593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:14,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:14,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:36:14,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748633519] [2024-11-11 21:36:14,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:14,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:36:14,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:14,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:36:14,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:36:14,368 INFO L87 Difference]: Start difference. First operand 13704 states and 20031 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:16,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:16,872 INFO L93 Difference]: Finished difference Result 48617 states and 71775 transitions. [2024-11-11 21:36:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-11 21:36:16,873 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-11 21:36:16,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:16,913 INFO L225 Difference]: With dead ends: 48617 [2024-11-11 21:36:16,913 INFO L226 Difference]: Without dead ends: 48203 [2024-11-11 21:36:16,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2024-11-11 21:36:16,920 INFO L435 NwaCegarLoop]: 807 mSDtfsCounter, 10345 mSDsluCounter, 2825 mSDsCounter, 0 mSdLazyCounter, 3494 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10345 SdHoareTripleChecker+Valid, 3632 SdHoareTripleChecker+Invalid, 3793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 3494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:16,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10345 Valid, 3632 Invalid, 3793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 3494 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-11 21:36:16,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48203 states. [2024-11-11 21:36:17,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48203 to 13708. [2024-11-11 21:36:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13708 states, 13701 states have (on average 1.4623020217502372) internal successors, (20035), 13707 states have internal predecessors, (20035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13708 states to 13708 states and 20035 transitions. [2024-11-11 21:36:17,141 INFO L78 Accepts]: Start accepts. Automaton has 13708 states and 20035 transitions. Word has length 71 [2024-11-11 21:36:17,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:17,141 INFO L471 AbstractCegarLoop]: Abstraction has 13708 states and 20035 transitions. [2024-11-11 21:36:17,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 13708 states and 20035 transitions. [2024-11-11 21:36:17,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-11 21:36:17,143 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:17,143 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:17,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-11 21:36:17,144 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:17,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:17,144 INFO L85 PathProgramCache]: Analyzing trace with hash -465375336, now seen corresponding path program 1 times [2024-11-11 21:36:17,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:17,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75494021] [2024-11-11 21:36:17,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:17,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:17,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:17,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:17,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75494021] [2024-11-11 21:36:17,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75494021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:17,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:17,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-11 21:36:17,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535822114] [2024-11-11 21:36:17,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:17,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:36:17,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:17,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:36:17,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:36:17,508 INFO L87 Difference]: Start difference. First operand 13708 states and 20035 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:19,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:19,480 INFO L93 Difference]: Finished difference Result 39870 states and 58318 transitions. [2024-11-11 21:36:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-11 21:36:19,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-11 21:36:19,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:19,525 INFO L225 Difference]: With dead ends: 39870 [2024-11-11 21:36:19,525 INFO L226 Difference]: Without dead ends: 39475 [2024-11-11 21:36:19,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=719, Unknown=0, NotChecked=0, Total=992 [2024-11-11 21:36:19,538 INFO L435 NwaCegarLoop]: 780 mSDtfsCounter, 13385 mSDsluCounter, 2408 mSDsCounter, 0 mSdLazyCounter, 2793 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13385 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 3078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 2793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:19,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13385 Valid, 3188 Invalid, 3078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 2793 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-11 21:36:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39475 states. [2024-11-11 21:36:19,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39475 to 13712. [2024-11-11 21:36:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13712 states, 13705 states have (on average 1.4621670923020795) internal successors, (20039), 13711 states have internal predecessors, (20039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13712 states to 13712 states and 20039 transitions. [2024-11-11 21:36:19,768 INFO L78 Accepts]: Start accepts. Automaton has 13712 states and 20039 transitions. Word has length 71 [2024-11-11 21:36:19,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:19,768 INFO L471 AbstractCegarLoop]: Abstraction has 13712 states and 20039 transitions. [2024-11-11 21:36:19,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:19,768 INFO L276 IsEmpty]: Start isEmpty. Operand 13712 states and 20039 transitions. [2024-11-11 21:36:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-11 21:36:19,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:19,770 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:19,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-11 21:36:19,770 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:19,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:19,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1829069700, now seen corresponding path program 1 times [2024-11-11 21:36:19,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:19,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013798576] [2024-11-11 21:36:19,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:19,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:19,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:19,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:19,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013798576] [2024-11-11 21:36:19,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013798576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:19,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:19,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-11 21:36:19,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176783279] [2024-11-11 21:36:19,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:19,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-11 21:36:19,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:19,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-11 21:36:19,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:19,823 INFO L87 Difference]: Start difference. First operand 13712 states and 20039 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:19,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:19,922 INFO L93 Difference]: Finished difference Result 31418 states and 46732 transitions. [2024-11-11 21:36:19,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-11 21:36:19,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-11 21:36:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:19,939 INFO L225 Difference]: With dead ends: 31418 [2024-11-11 21:36:19,939 INFO L226 Difference]: Without dead ends: 19676 [2024-11-11 21:36:19,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-11 21:36:19,949 INFO L435 NwaCegarLoop]: 1451 mSDtfsCounter, 878 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 2032 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:19,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 2032 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-11 21:36:19,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19676 states. [2024-11-11 21:36:20,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19676 to 15855. [2024-11-11 21:36:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15855 states, 15848 states have (on average 1.460562847046946) internal successors, (23147), 15854 states have internal predecessors, (23147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:20,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15855 states to 15855 states and 23147 transitions. [2024-11-11 21:36:20,114 INFO L78 Accepts]: Start accepts. Automaton has 15855 states and 23147 transitions. Word has length 72 [2024-11-11 21:36:20,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:20,114 INFO L471 AbstractCegarLoop]: Abstraction has 15855 states and 23147 transitions. [2024-11-11 21:36:20,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:20,114 INFO L276 IsEmpty]: Start isEmpty. Operand 15855 states and 23147 transitions. [2024-11-11 21:36:20,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-11 21:36:20,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:20,116 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:20,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-11 21:36:20,116 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:20,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:20,117 INFO L85 PathProgramCache]: Analyzing trace with hash 309023101, now seen corresponding path program 1 times [2024-11-11 21:36:20,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:20,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129496620] [2024-11-11 21:36:20,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:20,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:20,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:20,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:20,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129496620] [2024-11-11 21:36:20,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129496620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:20,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:20,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:36:20,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79539975] [2024-11-11 21:36:20,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:20,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:36:20,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:20,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:36:20,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:36:20,295 INFO L87 Difference]: Start difference. First operand 15855 states and 23147 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:21,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:21,802 INFO L93 Difference]: Finished difference Result 20345 states and 29452 transitions. [2024-11-11 21:36:21,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:36:21,803 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-11 21:36:21,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:21,822 INFO L225 Difference]: With dead ends: 20345 [2024-11-11 21:36:21,822 INFO L226 Difference]: Without dead ends: 20206 [2024-11-11 21:36:21,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-11 21:36:21,828 INFO L435 NwaCegarLoop]: 797 mSDtfsCounter, 6811 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 3046 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6811 SdHoareTripleChecker+Valid, 3348 SdHoareTripleChecker+Invalid, 3072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 3046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:21,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6811 Valid, 3348 Invalid, 3072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 3046 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 21:36:21,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20206 states. [2024-11-11 21:36:21,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20206 to 15851. [2024-11-11 21:36:21,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15851 states, 15844 states have (on average 1.460616006059076) internal successors, (23142), 15850 states have internal predecessors, (23142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:21,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15851 states to 15851 states and 23142 transitions. [2024-11-11 21:36:21,991 INFO L78 Accepts]: Start accepts. Automaton has 15851 states and 23142 transitions. Word has length 72 [2024-11-11 21:36:21,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:21,991 INFO L471 AbstractCegarLoop]: Abstraction has 15851 states and 23142 transitions. [2024-11-11 21:36:21,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 15851 states and 23142 transitions. [2024-11-11 21:36:21,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-11 21:36:21,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:21,993 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:21,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-11 21:36:21,993 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:21,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:21,994 INFO L85 PathProgramCache]: Analyzing trace with hash 751781022, now seen corresponding path program 1 times [2024-11-11 21:36:21,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:21,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675242456] [2024-11-11 21:36:21,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:21,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:22,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:22,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675242456] [2024-11-11 21:36:22,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675242456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:22,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:22,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:36:22,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792628994] [2024-11-11 21:36:22,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:22,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:36:22,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:22,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:36:22,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:36:22,486 INFO L87 Difference]: Start difference. First operand 15851 states and 23142 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:23,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:23,997 INFO L93 Difference]: Finished difference Result 20235 states and 29337 transitions. [2024-11-11 21:36:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:36:23,997 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-11 21:36:23,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:24,020 INFO L225 Difference]: With dead ends: 20235 [2024-11-11 21:36:24,020 INFO L226 Difference]: Without dead ends: 20106 [2024-11-11 21:36:24,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-11-11 21:36:24,028 INFO L435 NwaCegarLoop]: 782 mSDtfsCounter, 7037 mSDsluCounter, 2518 mSDsCounter, 0 mSdLazyCounter, 2762 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7037 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 2781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:24,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7037 Valid, 3300 Invalid, 2781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2762 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-11 21:36:24,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20106 states. [2024-11-11 21:36:24,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20106 to 15846. [2024-11-11 21:36:24,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15846 states, 15839 states have (on average 1.460508870509502) internal successors, (23133), 15845 states have internal predecessors, (23133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:24,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15846 states to 15846 states and 23133 transitions. [2024-11-11 21:36:24,191 INFO L78 Accepts]: Start accepts. Automaton has 15846 states and 23133 transitions. Word has length 72 [2024-11-11 21:36:24,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:24,192 INFO L471 AbstractCegarLoop]: Abstraction has 15846 states and 23133 transitions. [2024-11-11 21:36:24,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:24,192 INFO L276 IsEmpty]: Start isEmpty. Operand 15846 states and 23133 transitions. [2024-11-11 21:36:24,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-11 21:36:24,194 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:24,194 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:24,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-11 21:36:24,194 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:24,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:24,194 INFO L85 PathProgramCache]: Analyzing trace with hash -910541707, now seen corresponding path program 1 times [2024-11-11 21:36:24,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:24,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921496624] [2024-11-11 21:36:24,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:24,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:24,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:24,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921496624] [2024-11-11 21:36:24,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921496624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:24,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:24,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-11 21:36:24,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176595155] [2024-11-11 21:36:24,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:24,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-11 21:36:24,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:24,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-11 21:36:24,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-11 21:36:24,387 INFO L87 Difference]: Start difference. First operand 15846 states and 23133 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:25,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:25,807 INFO L93 Difference]: Finished difference Result 20235 states and 29333 transitions. [2024-11-11 21:36:25,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-11 21:36:25,808 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-11 21:36:25,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:25,829 INFO L225 Difference]: With dead ends: 20235 [2024-11-11 21:36:25,829 INFO L226 Difference]: Without dead ends: 20106 [2024-11-11 21:36:25,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-11 21:36:25,836 INFO L435 NwaCegarLoop]: 784 mSDtfsCounter, 7016 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 2770 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7016 SdHoareTripleChecker+Valid, 3304 SdHoareTripleChecker+Invalid, 2789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:25,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7016 Valid, 3304 Invalid, 2789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2770 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-11 21:36:25,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20106 states. [2024-11-11 21:36:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20106 to 15842. [2024-11-11 21:36:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15842 states, 15835 states have (on average 1.4605620461004105) internal successors, (23128), 15841 states have internal predecessors, (23128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15842 states to 15842 states and 23128 transitions. [2024-11-11 21:36:26,018 INFO L78 Accepts]: Start accepts. Automaton has 15842 states and 23128 transitions. Word has length 72 [2024-11-11 21:36:26,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:26,019 INFO L471 AbstractCegarLoop]: Abstraction has 15842 states and 23128 transitions. [2024-11-11 21:36:26,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 15842 states and 23128 transitions. [2024-11-11 21:36:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-11 21:36:26,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:26,021 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:26,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-11 21:36:26,022 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:26,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:26,022 INFO L85 PathProgramCache]: Analyzing trace with hash -547570985, now seen corresponding path program 1 times [2024-11-11 21:36:26,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:26,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949863466] [2024-11-11 21:36:26,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:26,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:26,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:26,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949863466] [2024-11-11 21:36:26,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949863466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:26,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:26,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-11 21:36:26,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322207884] [2024-11-11 21:36:26,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:26,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-11 21:36:26,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:26,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-11 21:36:26,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-11 21:36:26,436 INFO L87 Difference]: Start difference. First operand 15842 states and 23128 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:27,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:27,489 INFO L93 Difference]: Finished difference Result 45963 states and 67427 transitions. [2024-11-11 21:36:27,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-11 21:36:27,489 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-11 21:36:27,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:27,543 INFO L225 Difference]: With dead ends: 45963 [2024-11-11 21:36:27,544 INFO L226 Difference]: Without dead ends: 45833 [2024-11-11 21:36:27,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2024-11-11 21:36:27,563 INFO L435 NwaCegarLoop]: 1331 mSDtfsCounter, 8882 mSDsluCounter, 6625 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8882 SdHoareTripleChecker+Valid, 7956 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:27,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8882 Valid, 7956 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-11 21:36:27,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45833 states. [2024-11-11 21:36:27,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45833 to 15836. [2024-11-11 21:36:27,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15836 states, 15830 states have (on average 1.460454832596336) internal successors, (23119), 15835 states have internal predecessors, (23119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:27,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15836 states to 15836 states and 23119 transitions. [2024-11-11 21:36:27,859 INFO L78 Accepts]: Start accepts. Automaton has 15836 states and 23119 transitions. Word has length 74 [2024-11-11 21:36:27,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:27,861 INFO L471 AbstractCegarLoop]: Abstraction has 15836 states and 23119 transitions. [2024-11-11 21:36:27,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:27,861 INFO L276 IsEmpty]: Start isEmpty. Operand 15836 states and 23119 transitions. [2024-11-11 21:36:27,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-11 21:36:27,863 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:27,864 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:27,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-11 21:36:27,864 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:27,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:27,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1959708385, now seen corresponding path program 1 times [2024-11-11 21:36:27,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:27,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713284940] [2024-11-11 21:36:27,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:27,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:28,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:28,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713284940] [2024-11-11 21:36:28,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713284940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:28,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:28,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-11 21:36:28,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099878232] [2024-11-11 21:36:28,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:28,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-11 21:36:28,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:28,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-11 21:36:28,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-11 21:36:28,412 INFO L87 Difference]: Start difference. First operand 15836 states and 23119 transitions. Second operand has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:29,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-11 21:36:29,544 INFO L93 Difference]: Finished difference Result 33457 states and 48818 transitions. [2024-11-11 21:36:29,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-11 21:36:29,544 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-11-11 21:36:29,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-11 21:36:29,581 INFO L225 Difference]: With dead ends: 33457 [2024-11-11 21:36:29,581 INFO L226 Difference]: Without dead ends: 33265 [2024-11-11 21:36:29,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-11 21:36:29,593 INFO L435 NwaCegarLoop]: 1327 mSDtfsCounter, 7302 mSDsluCounter, 7111 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7302 SdHoareTripleChecker+Valid, 8438 SdHoareTripleChecker+Invalid, 1730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-11 21:36:29,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7302 Valid, 8438 Invalid, 1730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1703 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-11 21:36:29,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33265 states. [2024-11-11 21:36:29,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33265 to 15768. [2024-11-11 21:36:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15768 states, 15764 states have (on average 1.460733316417153) internal successors, (23027), 15767 states have internal predecessors, (23027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:29,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15768 states to 15768 states and 23027 transitions. [2024-11-11 21:36:29,808 INFO L78 Accepts]: Start accepts. Automaton has 15768 states and 23027 transitions. Word has length 74 [2024-11-11 21:36:29,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-11 21:36:29,809 INFO L471 AbstractCegarLoop]: Abstraction has 15768 states and 23027 transitions. [2024-11-11 21:36:29,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.166666666666667) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-11 21:36:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand 15768 states and 23027 transitions. [2024-11-11 21:36:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-11 21:36:29,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-11 21:36:29,811 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-11 21:36:29,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-11 21:36:29,811 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-11-11 21:36:29,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-11 21:36:29,812 INFO L85 PathProgramCache]: Analyzing trace with hash 179128677, now seen corresponding path program 1 times [2024-11-11 21:36:29,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-11 21:36:29,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003297967] [2024-11-11 21:36:29,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-11 21:36:29,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-11 21:36:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-11 21:36:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-11 21:36:31,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-11 21:36:31,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003297967] [2024-11-11 21:36:31,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003297967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-11 21:36:31,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-11 21:36:31,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-11-11 21:36:31,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602615654] [2024-11-11 21:36:31,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-11 21:36:31,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-11 21:36:31,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-11 21:36:31,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-11 21:36:31,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-11-11 21:36:31,144 INFO L87 Difference]: Start difference. First operand 15768 states and 23027 transitions. Second operand has 24 states, 24 states have (on average 3.0833333333333335) internal successors, (74), 24 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)