/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 06:22:04,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 06:22:05,017 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 06:22:05,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 06:22:05,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 06:22:05,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 06:22:05,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 06:22:05,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 06:22:05,038 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 06:22:05,038 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 06:22:05,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 06:22:05,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 06:22:05,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 06:22:05,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 06:22:05,040 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 06:22:05,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 06:22:05,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 06:22:05,040 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 06:22:05,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 06:22:05,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 06:22:05,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 06:22:05,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 06:22:05,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 06:22:05,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 06:22:05,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 06:22:05,042 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 06:22:05,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 06:22:05,043 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 06:22:05,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 06:22:05,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 06:22:05,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 06:22:05,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 06:22:05,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:22:05,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 06:22:05,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 06:22:05,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 06:22:05,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 06:22:05,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 06:22:05,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 06:22:05,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 06:22:05,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 06:22:05,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 06:22:05,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 06:22:05,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 06:22:05,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 06:22:05,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 06:22:05,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 06:22:05,199 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 06:22:05,200 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 06:22:05,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-12-16 06:22:06,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 06:22:06,597 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 06:22:06,598 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-12-16 06:22:06,642 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cba3e39/e62f9b8c967e430599e4df2bda33d42e/FLAGa8c2cdd16 [2023-12-16 06:22:06,659 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15cba3e39/e62f9b8c967e430599e4df2bda33d42e [2023-12-16 06:22:06,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 06:22:06,662 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 06:22:06,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 06:22:06,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 06:22:06,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 06:22:06,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:22:06" (1/1) ... [2023-12-16 06:22:06,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38af8c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:06, skipping insertion in model container [2023-12-16 06:22:06,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:22:06" (1/1) ... [2023-12-16 06:22:06,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 06:22:07,299 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2023-12-16 06:22:07,324 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2023-12-16 06:22:07,409 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2023-12-16 06:22:07,423 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2023-12-16 06:22:07,441 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2023-12-16 06:22:07,466 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2023-12-16 06:22:07,490 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2023-12-16 06:22:07,505 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2023-12-16 06:22:07,579 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2023-12-16 06:22:07,617 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2023-12-16 06:22:07,648 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2023-12-16 06:22:07,657 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2023-12-16 06:22:07,708 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2023-12-16 06:22:07,760 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2023-12-16 06:22:07,800 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2023-12-16 06:22:07,849 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2023-12-16 06:22:07,889 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2023-12-16 06:22:08,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:22:08,062 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 06:22:08,133 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[32607,32620] [2023-12-16 06:22:08,152 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[39665,39678] [2023-12-16 06:22:08,186 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[66766,66779] [2023-12-16 06:22:08,196 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[75829,75842] [2023-12-16 06:22:08,212 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[82520,82533] [2023-12-16 06:22:08,224 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[94424,94437] [2023-12-16 06:22:08,234 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[103377,103390] [2023-12-16 06:22:08,293 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[111402,111415] [2023-12-16 06:22:08,335 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[149914,149927] [2023-12-16 06:22:08,339 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[153444,153457] [2023-12-16 06:22:08,350 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[162451,162464] [2023-12-16 06:22:08,357 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[169104,169117] [2023-12-16 06:22:08,382 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[194798,194811] [2023-12-16 06:22:08,413 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[226694,226707] [2023-12-16 06:22:08,442 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[256902,256915] [2023-12-16 06:22:08,472 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[287214,287227] [2023-12-16 06:22:08,508 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c[320546,320559] [2023-12-16 06:22:08,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:22:08,643 INFO L206 MainTranslator]: Completed translation [2023-12-16 06:22:08,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08 WrapperNode [2023-12-16 06:22:08,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 06:22:08,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 06:22:08,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 06:22:08,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 06:22:08,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:08,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:08,976 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19330 [2023-12-16 06:22:08,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 06:22:08,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 06:22:08,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 06:22:08,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 06:22:09,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,154 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,238 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]. [2023-12-16 06:22:09,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 06:22:09,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 06:22:09,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 06:22:09,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 06:22:09,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (1/1) ... [2023-12-16 06:22:09,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:22:09,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 06:22:09,547 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) [2023-12-16 06:22:09,585 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 [2023-12-16 06:22:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 06:22:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 06:22:09,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 06:22:09,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 06:22:09,954 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 06:22:09,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 06:22:14,884 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 06:22:14,968 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 06:22:14,968 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 06:22:14,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:22:14 BoogieIcfgContainer [2023-12-16 06:22:14,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 06:22:14,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 06:22:14,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 06:22:14,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 06:22:14,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:22:06" (1/3) ... [2023-12-16 06:22:14,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b86a33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:22:14, skipping insertion in model container [2023-12-16 06:22:14,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:22:08" (2/3) ... [2023-12-16 06:22:14,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b86a33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:22:14, skipping insertion in model container [2023-12-16 06:22:14,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:22:14" (3/3) ... [2023-12-16 06:22:14,974 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+sep-reducer.c [2023-12-16 06:22:14,985 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 06:22:14,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2023-12-16 06:22:15,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 06:22:15,054 INFO L357 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, mHoare=true, 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;@318f0ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 06:22:15,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-12-16 06:22:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 3730 states, 3712 states have (on average 1.78125) internal successors, (6612), 3729 states have internal predecessors, (6612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-16 06:22:15,090 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:15,091 INFO L195 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] [2023-12-16 06:22:15,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:15,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:15,095 INFO L85 PathProgramCache]: Analyzing trace with hash -354004625, now seen corresponding path program 1 times [2023-12-16 06:22:15,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:15,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493509548] [2023-12-16 06:22:15,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:15,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:15,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:15,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:15,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493509548] [2023-12-16 06:22:15,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493509548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:15,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:15,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:22:15,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539477441] [2023-12-16 06:22:15,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:15,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:22:15,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:15,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:22:15,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:22:15,544 INFO L87 Difference]: Start difference. First operand has 3730 states, 3712 states have (on average 1.78125) internal successors, (6612), 3729 states have internal predecessors, (6612), 0 states have call successors, (0), 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) [2023-12-16 06:22:18,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:18,587 INFO L93 Difference]: Finished difference Result 7018 states and 12196 transitions. [2023-12-16 06:22:18,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:22:18,589 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 [2023-12-16 06:22:18,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:18,612 INFO L225 Difference]: With dead ends: 7018 [2023-12-16 06:22:18,613 INFO L226 Difference]: Without dead ends: 4501 [2023-12-16 06:22:18,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:22:18,622 INFO L413 NwaCegarLoop]: 2968 mSDtfsCounter, 20481 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 3529 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20481 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 3664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 3529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:18,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20481 Valid, 4254 Invalid, 3664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 3529 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-16 06:22:18,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2023-12-16 06:22:18,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 4476. [2023-12-16 06:22:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4476 states, 4459 states have (on average 1.3018614039022203) internal successors, (5805), 4475 states have internal predecessors, (5805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4476 states and 5805 transitions. [2023-12-16 06:22:18,748 INFO L78 Accepts]: Start accepts. Automaton has 4476 states and 5805 transitions. Word has length 64 [2023-12-16 06:22:18,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:18,749 INFO L495 AbstractCegarLoop]: Abstraction has 4476 states and 5805 transitions. [2023-12-16 06:22:18,749 INFO L496 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) [2023-12-16 06:22:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 4476 states and 5805 transitions. [2023-12-16 06:22:18,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-16 06:22:18,757 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:18,757 INFO L195 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] [2023-12-16 06:22:18,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 06:22:18,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:18,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:18,759 INFO L85 PathProgramCache]: Analyzing trace with hash 838909937, now seen corresponding path program 1 times [2023-12-16 06:22:18,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:18,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249878391] [2023-12-16 06:22:18,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:18,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:18,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:18,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249878391] [2023-12-16 06:22:18,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249878391] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:18,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:18,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:22:18,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861960398] [2023-12-16 06:22:18,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:18,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:22:18,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:18,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:22:18,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:22:18,937 INFO L87 Difference]: Start difference. First operand 4476 states and 5805 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) [2023-12-16 06:22:20,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:20,816 INFO L93 Difference]: Finished difference Result 8428 states and 10952 transitions. [2023-12-16 06:22:20,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:22:20,817 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 [2023-12-16 06:22:20,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:20,831 INFO L225 Difference]: With dead ends: 8428 [2023-12-16 06:22:20,831 INFO L226 Difference]: Without dead ends: 5661 [2023-12-16 06:22:20,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:22:20,836 INFO L413 NwaCegarLoop]: 1912 mSDtfsCounter, 13269 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13269 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 2390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:20,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13269 Valid, 2581 Invalid, 2390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 06:22:20,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5661 states. [2023-12-16 06:22:20,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5661 to 5631. [2023-12-16 06:22:20,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5631 states, 5614 states have (on average 1.307445671535447) internal successors, (7340), 5630 states have internal predecessors, (7340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:20,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5631 states to 5631 states and 7340 transitions. [2023-12-16 06:22:20,922 INFO L78 Accepts]: Start accepts. Automaton has 5631 states and 7340 transitions. Word has length 65 [2023-12-16 06:22:20,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:20,922 INFO L495 AbstractCegarLoop]: Abstraction has 5631 states and 7340 transitions. [2023-12-16 06:22:20,923 INFO L496 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) [2023-12-16 06:22:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 5631 states and 7340 transitions. [2023-12-16 06:22:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-16 06:22:20,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:20,928 INFO L195 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] [2023-12-16 06:22:20,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 06:22:20,929 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:20,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:20,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1512929807, now seen corresponding path program 1 times [2023-12-16 06:22:20,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:20,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672597830] [2023-12-16 06:22:20,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:20,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:21,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:21,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672597830] [2023-12-16 06:22:21,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672597830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:21,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:21,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:22:21,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385167320] [2023-12-16 06:22:21,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:21,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:22:21,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:21,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:22:21,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:22:21,140 INFO L87 Difference]: Start difference. First operand 5631 states and 7340 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) [2023-12-16 06:22:22,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:22,764 INFO L93 Difference]: Finished difference Result 11308 states and 14760 transitions. [2023-12-16 06:22:22,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:22:22,765 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 [2023-12-16 06:22:22,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:22,781 INFO L225 Difference]: With dead ends: 11308 [2023-12-16 06:22:22,781 INFO L226 Difference]: Without dead ends: 7078 [2023-12-16 06:22:22,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:22:22,787 INFO L413 NwaCegarLoop]: 1610 mSDtfsCounter, 11557 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11557 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:22,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11557 Valid, 2244 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 06:22:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7078 states. [2023-12-16 06:22:22,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7078 to 7058. [2023-12-16 06:22:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7058 states, 7041 states have (on average 1.3093310609288453) internal successors, (9219), 7057 states have internal predecessors, (9219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7058 states to 7058 states and 9219 transitions. [2023-12-16 06:22:22,890 INFO L78 Accepts]: Start accepts. Automaton has 7058 states and 9219 transitions. Word has length 65 [2023-12-16 06:22:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:22,891 INFO L495 AbstractCegarLoop]: Abstraction has 7058 states and 9219 transitions. [2023-12-16 06:22:22,901 INFO L496 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) [2023-12-16 06:22:22,901 INFO L276 IsEmpty]: Start isEmpty. Operand 7058 states and 9219 transitions. [2023-12-16 06:22:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-16 06:22:22,907 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:22,907 INFO L195 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] [2023-12-16 06:22:22,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 06:22:22,907 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:22,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:22,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1700677701, now seen corresponding path program 1 times [2023-12-16 06:22:22,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:22,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999257367] [2023-12-16 06:22:22,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:22,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:23,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:23,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999257367] [2023-12-16 06:22:23,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999257367] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:23,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:23,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:22:23,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874119606] [2023-12-16 06:22:23,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:23,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:22:23,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:23,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:22:23,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:22:23,064 INFO L87 Difference]: Start difference. First operand 7058 states and 9219 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) [2023-12-16 06:22:24,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:24,002 INFO L93 Difference]: Finished difference Result 13776 states and 18168 transitions. [2023-12-16 06:22:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:22:24,002 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 [2023-12-16 06:22:24,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:24,039 INFO L225 Difference]: With dead ends: 13776 [2023-12-16 06:22:24,039 INFO L226 Difference]: Without dead ends: 9202 [2023-12-16 06:22:24,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:22:24,060 INFO L413 NwaCegarLoop]: 1468 mSDtfsCounter, 9715 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9715 SdHoareTripleChecker+Valid, 2008 SdHoareTripleChecker+Invalid, 1630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:24,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9715 Valid, 2008 Invalid, 1630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1608 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:22:24,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9202 states. [2023-12-16 06:22:24,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9202 to 9162. [2023-12-16 06:22:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9162 states, 9145 states have (on average 1.323127392017496) internal successors, (12100), 9161 states have internal predecessors, (12100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9162 states to 9162 states and 12100 transitions. [2023-12-16 06:22:24,206 INFO L78 Accepts]: Start accepts. Automaton has 9162 states and 12100 transitions. Word has length 66 [2023-12-16 06:22:24,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:24,207 INFO L495 AbstractCegarLoop]: Abstraction has 9162 states and 12100 transitions. [2023-12-16 06:22:24,208 INFO L496 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) [2023-12-16 06:22:24,209 INFO L276 IsEmpty]: Start isEmpty. Operand 9162 states and 12100 transitions. [2023-12-16 06:22:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 06:22:24,214 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:24,214 INFO L195 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] [2023-12-16 06:22:24,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 06:22:24,215 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:24,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:24,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1596749287, now seen corresponding path program 1 times [2023-12-16 06:22:24,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:24,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179704906] [2023-12-16 06:22:24,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:24,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:24,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:24,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179704906] [2023-12-16 06:22:24,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179704906] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:24,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:24,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 06:22:24,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100508343] [2023-12-16 06:22:24,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:24,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 06:22:24,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:24,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 06:22:24,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:22:24,539 INFO L87 Difference]: Start difference. First operand 9162 states and 12100 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2023-12-16 06:22:26,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:26,749 INFO L93 Difference]: Finished difference Result 14405 states and 19713 transitions. [2023-12-16 06:22:26,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 06:22:26,749 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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 [2023-12-16 06:22:26,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:26,768 INFO L225 Difference]: With dead ends: 14405 [2023-12-16 06:22:26,769 INFO L226 Difference]: Without dead ends: 12871 [2023-12-16 06:22:26,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:22:26,775 INFO L413 NwaCegarLoop]: 1531 mSDtfsCounter, 10453 mSDsluCounter, 3623 mSDsCounter, 0 mSdLazyCounter, 4339 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10453 SdHoareTripleChecker+Valid, 5154 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 4339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:26,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10453 Valid, 5154 Invalid, 4352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 4339 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-16 06:22:26,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12871 states. [2023-12-16 06:22:26,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12871 to 9002. [2023-12-16 06:22:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9002 states, 8985 states have (on average 1.3225375626043405) internal successors, (11883), 9001 states have internal predecessors, (11883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9002 states to 9002 states and 11883 transitions. [2023-12-16 06:22:26,927 INFO L78 Accepts]: Start accepts. Automaton has 9002 states and 11883 transitions. Word has length 67 [2023-12-16 06:22:26,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:26,927 INFO L495 AbstractCegarLoop]: Abstraction has 9002 states and 11883 transitions. [2023-12-16 06:22:26,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 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) [2023-12-16 06:22:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 9002 states and 11883 transitions. [2023-12-16 06:22:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-16 06:22:26,934 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:26,934 INFO L195 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] [2023-12-16 06:22:26,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 06:22:26,938 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:26,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:26,939 INFO L85 PathProgramCache]: Analyzing trace with hash -738498771, now seen corresponding path program 1 times [2023-12-16 06:22:26,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:26,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262652459] [2023-12-16 06:22:26,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:26,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:27,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:27,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:27,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262652459] [2023-12-16 06:22:27,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262652459] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:27,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:27,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:22:27,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536331459] [2023-12-16 06:22:27,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:27,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:22:27,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:27,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:22:27,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:22:27,243 INFO L87 Difference]: Start difference. First operand 9002 states and 11883 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 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) [2023-12-16 06:22:30,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:30,260 INFO L93 Difference]: Finished difference Result 17829 states and 24363 transitions. [2023-12-16 06:22:30,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:22:30,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 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 [2023-12-16 06:22:30,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:30,284 INFO L225 Difference]: With dead ends: 17829 [2023-12-16 06:22:30,284 INFO L226 Difference]: Without dead ends: 16417 [2023-12-16 06:22:30,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:22:30,291 INFO L413 NwaCegarLoop]: 1676 mSDtfsCounter, 5967 mSDsluCounter, 6136 mSDsCounter, 0 mSdLazyCounter, 7464 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5967 SdHoareTripleChecker+Valid, 7812 SdHoareTripleChecker+Invalid, 7561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 7464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:30,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5967 Valid, 7812 Invalid, 7561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 7464 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-16 06:22:30,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16417 states. [2023-12-16 06:22:30,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16417 to 8940. [2023-12-16 06:22:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8940 states, 8923 states have (on average 1.3222010534573574) internal successors, (11798), 8939 states have internal predecessors, (11798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8940 states to 8940 states and 11798 transitions. [2023-12-16 06:22:30,414 INFO L78 Accepts]: Start accepts. Automaton has 8940 states and 11798 transitions. Word has length 67 [2023-12-16 06:22:30,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:30,415 INFO L495 AbstractCegarLoop]: Abstraction has 8940 states and 11798 transitions. [2023-12-16 06:22:30,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 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) [2023-12-16 06:22:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 8940 states and 11798 transitions. [2023-12-16 06:22:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 06:22:30,420 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:30,420 INFO L195 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] [2023-12-16 06:22:30,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 06:22:30,420 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:30,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:30,421 INFO L85 PathProgramCache]: Analyzing trace with hash 757912053, now seen corresponding path program 1 times [2023-12-16 06:22:30,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:30,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163821612] [2023-12-16 06:22:30,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:30,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:30,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:30,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163821612] [2023-12-16 06:22:30,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163821612] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:30,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:30,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 06:22:30,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952217539] [2023-12-16 06:22:30,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:30,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 06:22:30,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:30,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 06:22:30,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:22:30,989 INFO L87 Difference]: Start difference. First operand 8940 states and 11798 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:32,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:32,237 INFO L93 Difference]: Finished difference Result 16547 states and 23096 transitions. [2023-12-16 06:22:32,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 06:22:32,238 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-16 06:22:32,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:32,258 INFO L225 Difference]: With dead ends: 16547 [2023-12-16 06:22:32,258 INFO L226 Difference]: Without dead ends: 16543 [2023-12-16 06:22:32,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2023-12-16 06:22:32,265 INFO L413 NwaCegarLoop]: 2738 mSDtfsCounter, 16386 mSDsluCounter, 9991 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16386 SdHoareTripleChecker+Valid, 12729 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:32,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16386 Valid, 12729 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:22:32,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16543 states. [2023-12-16 06:22:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16543 to 8936. [2023-12-16 06:22:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8920 states have (on average 1.3221973094170403) internal successors, (11794), 8935 states have internal predecessors, (11794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11794 transitions. [2023-12-16 06:22:32,394 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11794 transitions. Word has length 68 [2023-12-16 06:22:32,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:32,394 INFO L495 AbstractCegarLoop]: Abstraction has 8936 states and 11794 transitions. [2023-12-16 06:22:32,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11794 transitions. [2023-12-16 06:22:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 06:22:32,403 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:32,403 INFO L195 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] [2023-12-16 06:22:32,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 06:22:32,403 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:32,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:32,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1434028365, now seen corresponding path program 1 times [2023-12-16 06:22:32,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:32,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775538440] [2023-12-16 06:22:32,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:32,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:32,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:32,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775538440] [2023-12-16 06:22:32,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775538440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:32,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:32,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:22:32,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247097957] [2023-12-16 06:22:32,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:32,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:22:32,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:32,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:22:32,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:22:32,725 INFO L87 Difference]: Start difference. First operand 8936 states and 11794 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) [2023-12-16 06:22:35,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:35,275 INFO L93 Difference]: Finished difference Result 10523 states and 13939 transitions. [2023-12-16 06:22:35,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 06:22:35,275 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 [2023-12-16 06:22:35,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:35,287 INFO L225 Difference]: With dead ends: 10523 [2023-12-16 06:22:35,287 INFO L226 Difference]: Without dead ends: 10517 [2023-12-16 06:22:35,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-12-16 06:22:35,290 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 8303 mSDsluCounter, 5813 mSDsCounter, 0 mSdLazyCounter, 5856 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8303 SdHoareTripleChecker+Valid, 7288 SdHoareTripleChecker+Invalid, 5876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 5856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:35,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8303 Valid, 7288 Invalid, 5876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 5856 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-16 06:22:35,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10517 states. [2023-12-16 06:22:35,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10517 to 8936. [2023-12-16 06:22:35,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8920 states have (on average 1.322085201793722) internal successors, (11793), 8935 states have internal predecessors, (11793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11793 transitions. [2023-12-16 06:22:35,394 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11793 transitions. Word has length 68 [2023-12-16 06:22:35,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:35,394 INFO L495 AbstractCegarLoop]: Abstraction has 8936 states and 11793 transitions. [2023-12-16 06:22:35,394 INFO L496 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) [2023-12-16 06:22:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11793 transitions. [2023-12-16 06:22:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 06:22:35,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:35,400 INFO L195 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] [2023-12-16 06:22:35,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 06:22:35,401 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:35,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:35,401 INFO L85 PathProgramCache]: Analyzing trace with hash -896669404, now seen corresponding path program 1 times [2023-12-16 06:22:35,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:35,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744379319] [2023-12-16 06:22:35,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:35,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:35,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:35,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744379319] [2023-12-16 06:22:35,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744379319] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:35,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:35,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:22:35,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016126694] [2023-12-16 06:22:35,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:35,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:22:35,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:35,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:22:35,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:22:35,635 INFO L87 Difference]: Start difference. First operand 8936 states and 11793 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) [2023-12-16 06:22:37,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:37,532 INFO L93 Difference]: Finished difference Result 11317 states and 14889 transitions. [2023-12-16 06:22:37,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 06:22:37,533 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 [2023-12-16 06:22:37,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:37,543 INFO L225 Difference]: With dead ends: 11317 [2023-12-16 06:22:37,544 INFO L226 Difference]: Without dead ends: 11308 [2023-12-16 06:22:37,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-12-16 06:22:37,549 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 8212 mSDsluCounter, 5864 mSDsCounter, 0 mSdLazyCounter, 6375 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8212 SdHoareTripleChecker+Valid, 7326 SdHoareTripleChecker+Invalid, 6421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 6375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:37,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8212 Valid, 7326 Invalid, 6421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 6375 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 06:22:37,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11308 states. [2023-12-16 06:22:37,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11308 to 8936. [2023-12-16 06:22:37,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8936 states, 8920 states have (on average 1.3219730941704035) internal successors, (11792), 8935 states have internal predecessors, (11792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8936 states to 8936 states and 11792 transitions. [2023-12-16 06:22:37,799 INFO L78 Accepts]: Start accepts. Automaton has 8936 states and 11792 transitions. Word has length 68 [2023-12-16 06:22:37,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:37,800 INFO L495 AbstractCegarLoop]: Abstraction has 8936 states and 11792 transitions. [2023-12-16 06:22:37,800 INFO L496 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) [2023-12-16 06:22:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 8936 states and 11792 transitions. [2023-12-16 06:22:37,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-16 06:22:37,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:37,806 INFO L195 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] [2023-12-16 06:22:37,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 06:22:37,809 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:37,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:37,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1848914971, now seen corresponding path program 1 times [2023-12-16 06:22:37,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:37,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963960469] [2023-12-16 06:22:37,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:37,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:38,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:38,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963960469] [2023-12-16 06:22:38,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963960469] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:38,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:38,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:22:38,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419337544] [2023-12-16 06:22:38,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:38,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:22:38,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:38,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:22:38,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:22:38,243 INFO L87 Difference]: Start difference. First operand 8936 states and 11792 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:39,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:39,598 INFO L93 Difference]: Finished difference Result 16538 states and 23083 transitions. [2023-12-16 06:22:39,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-16 06:22:39,599 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2023-12-16 06:22:39,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:39,617 INFO L225 Difference]: With dead ends: 16538 [2023-12-16 06:22:39,617 INFO L226 Difference]: Without dead ends: 16534 [2023-12-16 06:22:39,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2023-12-16 06:22:39,624 INFO L413 NwaCegarLoop]: 2735 mSDtfsCounter, 15995 mSDsluCounter, 13798 mSDsCounter, 0 mSdLazyCounter, 1938 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15995 SdHoareTripleChecker+Valid, 16533 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:39,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15995 Valid, 16533 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1938 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:22:39,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16534 states. [2023-12-16 06:22:39,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16534 to 8932. [2023-12-16 06:22:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8932 states, 8917 states have (on average 1.321969272176741) internal successors, (11788), 8931 states have internal predecessors, (11788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8932 states to 8932 states and 11788 transitions. [2023-12-16 06:22:39,773 INFO L78 Accepts]: Start accepts. Automaton has 8932 states and 11788 transitions. Word has length 68 [2023-12-16 06:22:39,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:39,773 INFO L495 AbstractCegarLoop]: Abstraction has 8932 states and 11788 transitions. [2023-12-16 06:22:39,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 10 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 8932 states and 11788 transitions. [2023-12-16 06:22:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-16 06:22:39,779 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:39,779 INFO L195 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] [2023-12-16 06:22:39,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 06:22:39,780 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:39,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:39,780 INFO L85 PathProgramCache]: Analyzing trace with hash 267145537, now seen corresponding path program 1 times [2023-12-16 06:22:39,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:39,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379099520] [2023-12-16 06:22:39,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:39,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:40,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:40,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379099520] [2023-12-16 06:22:40,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379099520] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:40,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:40,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 06:22:40,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242915235] [2023-12-16 06:22:40,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:40,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 06:22:40,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:40,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 06:22:40,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:22:40,346 INFO L87 Difference]: Start difference. First operand 8932 states and 11788 transitions. Second operand has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:42,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:42,461 INFO L93 Difference]: Finished difference Result 24399 states and 34430 transitions. [2023-12-16 06:22:42,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-16 06:22:42,461 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2023-12-16 06:22:42,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:42,489 INFO L225 Difference]: With dead ends: 24399 [2023-12-16 06:22:42,489 INFO L226 Difference]: Without dead ends: 24390 [2023-12-16 06:22:42,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=293, Invalid=1039, Unknown=0, NotChecked=0, Total=1332 [2023-12-16 06:22:42,498 INFO L413 NwaCegarLoop]: 2704 mSDtfsCounter, 21694 mSDsluCounter, 13838 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21694 SdHoareTripleChecker+Valid, 16542 SdHoareTripleChecker+Invalid, 2343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:42,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21694 Valid, 16542 Invalid, 2343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [47 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-16 06:22:42,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24390 states. [2023-12-16 06:22:42,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24390 to 8923. [2023-12-16 06:22:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8923 states, 8909 states have (on average 1.3220338983050848) internal successors, (11778), 8922 states have internal predecessors, (11778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8923 states to 8923 states and 11778 transitions. [2023-12-16 06:22:42,671 INFO L78 Accepts]: Start accepts. Automaton has 8923 states and 11778 transitions. Word has length 69 [2023-12-16 06:22:42,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:42,672 INFO L495 AbstractCegarLoop]: Abstraction has 8923 states and 11778 transitions. [2023-12-16 06:22:42,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.3076923076923075) internal successors, (69), 12 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 8923 states and 11778 transitions. [2023-12-16 06:22:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-16 06:22:42,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:42,677 INFO L195 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] [2023-12-16 06:22:42,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 06:22:42,678 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:42,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:42,678 INFO L85 PathProgramCache]: Analyzing trace with hash 554101842, now seen corresponding path program 1 times [2023-12-16 06:22:42,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:42,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025178799] [2023-12-16 06:22:42,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:42,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:43,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:43,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:43,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025178799] [2023-12-16 06:22:43,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025178799] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:43,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:43,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:22:43,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902122488] [2023-12-16 06:22:43,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:43,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:22:43,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:43,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:22:43,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:22:43,040 INFO L87 Difference]: Start difference. First operand 8923 states and 11778 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 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) [2023-12-16 06:22:44,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:44,776 INFO L93 Difference]: Finished difference Result 20546 states and 28976 transitions. [2023-12-16 06:22:44,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-16 06:22:44,777 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 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 [2023-12-16 06:22:44,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:44,798 INFO L225 Difference]: With dead ends: 20546 [2023-12-16 06:22:44,798 INFO L226 Difference]: Without dead ends: 19056 [2023-12-16 06:22:44,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=408, Unknown=0, NotChecked=0, Total=600 [2023-12-16 06:22:44,806 INFO L413 NwaCegarLoop]: 2625 mSDtfsCounter, 12077 mSDsluCounter, 11699 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12077 SdHoareTripleChecker+Valid, 14324 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:44,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12077 Valid, 14324 Invalid, 2388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2374 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 06:22:44,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19056 states. [2023-12-16 06:22:44,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19056 to 8884. [2023-12-16 06:22:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8884 states, 8870 states have (on average 1.3226606538895151) internal successors, (11732), 8883 states have internal predecessors, (11732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8884 states to 8884 states and 11732 transitions. [2023-12-16 06:22:45,027 INFO L78 Accepts]: Start accepts. Automaton has 8884 states and 11732 transitions. Word has length 69 [2023-12-16 06:22:45,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:45,027 INFO L495 AbstractCegarLoop]: Abstraction has 8884 states and 11732 transitions. [2023-12-16 06:22:45,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 10 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) [2023-12-16 06:22:45,027 INFO L276 IsEmpty]: Start isEmpty. Operand 8884 states and 11732 transitions. [2023-12-16 06:22:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-16 06:22:45,048 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:45,049 INFO L195 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] [2023-12-16 06:22:45,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 06:22:45,049 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:45,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:45,050 INFO L85 PathProgramCache]: Analyzing trace with hash -631202535, now seen corresponding path program 1 times [2023-12-16 06:22:45,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:45,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782179975] [2023-12-16 06:22:45,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:45,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:45,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:45,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782179975] [2023-12-16 06:22:45,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782179975] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:45,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:45,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:22:45,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156548983] [2023-12-16 06:22:45,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:45,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:22:45,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:45,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:22:45,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:22:45,118 INFO L87 Difference]: Start difference. First operand 8884 states and 11732 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) [2023-12-16 06:22:45,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:45,229 INFO L93 Difference]: Finished difference Result 12827 states and 17252 transitions. [2023-12-16 06:22:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:22:45,229 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 [2023-12-16 06:22:45,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:45,236 INFO L225 Difference]: With dead ends: 12827 [2023-12-16 06:22:45,237 INFO L226 Difference]: Without dead ends: 7909 [2023-12-16 06:22:45,242 INFO L412 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 [2023-12-16 06:22:45,242 INFO L413 NwaCegarLoop]: 1995 mSDtfsCounter, 1971 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:45,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1971 Valid, 2674 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:22:45,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7909 states. [2023-12-16 06:22:45,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7909 to 7890. [2023-12-16 06:22:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7890 states, 7880 states have (on average 1.340989847715736) internal successors, (10567), 7889 states have internal predecessors, (10567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 10567 transitions. [2023-12-16 06:22:45,325 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 10567 transitions. Word has length 69 [2023-12-16 06:22:45,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:45,325 INFO L495 AbstractCegarLoop]: Abstraction has 7890 states and 10567 transitions. [2023-12-16 06:22:45,326 INFO L496 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) [2023-12-16 06:22:45,326 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 10567 transitions. [2023-12-16 06:22:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 06:22:45,331 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:45,331 INFO L195 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] [2023-12-16 06:22:45,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 06:22:45,331 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:45,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:45,332 INFO L85 PathProgramCache]: Analyzing trace with hash 208427501, now seen corresponding path program 1 times [2023-12-16 06:22:45,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:45,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067809235] [2023-12-16 06:22:45,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:45,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:45,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:45,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067809235] [2023-12-16 06:22:45,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067809235] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:45,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:45,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:22:45,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862146667] [2023-12-16 06:22:45,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:45,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:22:45,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:45,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:22:45,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:22:45,542 INFO L87 Difference]: Start difference. First operand 7890 states and 10567 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 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) [2023-12-16 06:22:47,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:47,412 INFO L93 Difference]: Finished difference Result 15342 states and 21386 transitions. [2023-12-16 06:22:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:22:47,413 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 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 [2023-12-16 06:22:47,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:47,424 INFO L225 Difference]: With dead ends: 15342 [2023-12-16 06:22:47,425 INFO L226 Difference]: Without dead ends: 13334 [2023-12-16 06:22:47,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-16 06:22:47,428 INFO L413 NwaCegarLoop]: 1173 mSDtfsCounter, 5412 mSDsluCounter, 3793 mSDsCounter, 0 mSdLazyCounter, 4306 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5412 SdHoareTripleChecker+Valid, 4966 SdHoareTripleChecker+Invalid, 4352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 4306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:47,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5412 Valid, 4966 Invalid, 4352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 4306 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 06:22:47,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13334 states. [2023-12-16 06:22:47,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13334 to 7890. [2023-12-16 06:22:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7890 states, 7880 states have (on average 1.3408629441624365) internal successors, (10566), 7889 states have internal predecessors, (10566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 10566 transitions. [2023-12-16 06:22:47,558 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 10566 transitions. Word has length 70 [2023-12-16 06:22:47,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:47,559 INFO L495 AbstractCegarLoop]: Abstraction has 7890 states and 10566 transitions. [2023-12-16 06:22:47,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 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) [2023-12-16 06:22:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 10566 transitions. [2023-12-16 06:22:47,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 06:22:47,563 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:47,563 INFO L195 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] [2023-12-16 06:22:47,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 06:22:47,563 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:47,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:47,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1665056200, now seen corresponding path program 1 times [2023-12-16 06:22:47,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:47,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58130954] [2023-12-16 06:22:47,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:47,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:47,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:47,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58130954] [2023-12-16 06:22:47,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58130954] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:47,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:47,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:22:47,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893280764] [2023-12-16 06:22:47,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:47,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:22:47,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:47,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:22:47,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:22:47,783 INFO L87 Difference]: Start difference. First operand 7890 states and 10566 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 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) [2023-12-16 06:22:50,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:50,241 INFO L93 Difference]: Finished difference Result 19262 states and 26934 transitions. [2023-12-16 06:22:50,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:22:50,242 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 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 [2023-12-16 06:22:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:50,260 INFO L225 Difference]: With dead ends: 19262 [2023-12-16 06:22:50,261 INFO L226 Difference]: Without dead ends: 17185 [2023-12-16 06:22:50,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:22:50,267 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 4688 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 5764 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4688 SdHoareTripleChecker+Valid, 6241 SdHoareTripleChecker+Invalid, 5843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 5764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:50,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4688 Valid, 6241 Invalid, 5843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 5764 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-16 06:22:50,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17185 states. [2023-12-16 06:22:50,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17185 to 7890. [2023-12-16 06:22:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7890 states, 7880 states have (on average 1.340736040609137) internal successors, (10565), 7889 states have internal predecessors, (10565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 10565 transitions. [2023-12-16 06:22:50,402 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 10565 transitions. Word has length 70 [2023-12-16 06:22:50,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:50,402 INFO L495 AbstractCegarLoop]: Abstraction has 7890 states and 10565 transitions. [2023-12-16 06:22:50,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 7 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) [2023-12-16 06:22:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 10565 transitions. [2023-12-16 06:22:50,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 06:22:50,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:50,406 INFO L195 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] [2023-12-16 06:22:50,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 06:22:50,407 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:50,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:50,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1937924781, now seen corresponding path program 1 times [2023-12-16 06:22:50,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:50,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900764993] [2023-12-16 06:22:50,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:50,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:50,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:50,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900764993] [2023-12-16 06:22:50,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900764993] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:50,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:50,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 06:22:50,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946463556] [2023-12-16 06:22:50,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:50,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 06:22:50,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:50,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 06:22:50,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:22:50,616 INFO L87 Difference]: Start difference. First operand 7890 states and 10565 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 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) [2023-12-16 06:22:52,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:52,168 INFO L93 Difference]: Finished difference Result 14890 states and 20873 transitions. [2023-12-16 06:22:52,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 06:22:52,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 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 [2023-12-16 06:22:52,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:52,185 INFO L225 Difference]: With dead ends: 14890 [2023-12-16 06:22:52,185 INFO L226 Difference]: Without dead ends: 12469 [2023-12-16 06:22:52,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-16 06:22:52,192 INFO L413 NwaCegarLoop]: 1180 mSDtfsCounter, 7979 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 3051 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7979 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 3060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:52,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7979 Valid, 3741 Invalid, 3060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 3051 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-16 06:22:52,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12469 states. [2023-12-16 06:22:52,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12469 to 7890. [2023-12-16 06:22:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7890 states, 7880 states have (on average 1.3406091370558375) internal successors, (10564), 7889 states have internal predecessors, (10564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 10564 transitions. [2023-12-16 06:22:52,307 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 10564 transitions. Word has length 70 [2023-12-16 06:22:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:52,308 INFO L495 AbstractCegarLoop]: Abstraction has 7890 states and 10564 transitions. [2023-12-16 06:22:52,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 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) [2023-12-16 06:22:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 10564 transitions. [2023-12-16 06:22:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 06:22:52,312 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:52,313 INFO L195 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] [2023-12-16 06:22:52,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 06:22:52,313 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:52,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:52,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1770122057, now seen corresponding path program 1 times [2023-12-16 06:22:52,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:52,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641591521] [2023-12-16 06:22:52,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:52,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:52,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:52,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:52,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641591521] [2023-12-16 06:22:52,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641591521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:52,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:52,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:22:52,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795068407] [2023-12-16 06:22:52,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:52,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:22:52,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:52,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:22:52,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:22:52,380 INFO L87 Difference]: Start difference. First operand 7890 states and 10564 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) [2023-12-16 06:22:52,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:52,509 INFO L93 Difference]: Finished difference Result 12672 states and 17286 transitions. [2023-12-16 06:22:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:22:52,510 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 [2023-12-16 06:22:52,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:52,516 INFO L225 Difference]: With dead ends: 12672 [2023-12-16 06:22:52,516 INFO L226 Difference]: Without dead ends: 7576 [2023-12-16 06:22:52,520 INFO L412 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 [2023-12-16 06:22:52,521 INFO L413 NwaCegarLoop]: 1588 mSDtfsCounter, 1566 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1566 SdHoareTripleChecker+Valid, 2121 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:52,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1566 Valid, 2121 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:22:52,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7576 states. [2023-12-16 06:22:52,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7576 to 7568. [2023-12-16 06:22:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7568 states, 7561 states have (on average 1.3615923819600582) internal successors, (10295), 7567 states have internal predecessors, (10295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7568 states to 7568 states and 10295 transitions. [2023-12-16 06:22:52,587 INFO L78 Accepts]: Start accepts. Automaton has 7568 states and 10295 transitions. Word has length 70 [2023-12-16 06:22:52,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:52,588 INFO L495 AbstractCegarLoop]: Abstraction has 7568 states and 10295 transitions. [2023-12-16 06:22:52,588 INFO L496 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) [2023-12-16 06:22:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 7568 states and 10295 transitions. [2023-12-16 06:22:52,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-16 06:22:52,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:52,595 INFO L195 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] [2023-12-16 06:22:52,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 06:22:52,595 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:52,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:52,595 INFO L85 PathProgramCache]: Analyzing trace with hash 546797367, now seen corresponding path program 1 times [2023-12-16 06:22:52,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:52,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394657024] [2023-12-16 06:22:52,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:52,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:52,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:52,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394657024] [2023-12-16 06:22:52,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394657024] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:52,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:52,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:22:52,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832220514] [2023-12-16 06:22:52,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:52,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:22:52,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:52,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:22:52,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:22:52,665 INFO L87 Difference]: Start difference. First operand 7568 states and 10295 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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) [2023-12-16 06:22:52,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:52,759 INFO L93 Difference]: Finished difference Result 15599 states and 21769 transitions. [2023-12-16 06:22:52,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:22:52,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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 [2023-12-16 06:22:52,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:52,774 INFO L225 Difference]: With dead ends: 15599 [2023-12-16 06:22:52,774 INFO L226 Difference]: Without dead ends: 11659 [2023-12-16 06:22:52,780 INFO L412 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 [2023-12-16 06:22:52,780 INFO L413 NwaCegarLoop]: 1762 mSDtfsCounter, 1019 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 3065 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:52,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 3065 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:22:52,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11659 states. [2023-12-16 06:22:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11659 to 11651. [2023-12-16 06:22:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11651 states, 11644 states have (on average 1.3708347646856751) internal successors, (15962), 11650 states have internal predecessors, (15962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:52,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11651 states to 11651 states and 15962 transitions. [2023-12-16 06:22:52,953 INFO L78 Accepts]: Start accepts. Automaton has 11651 states and 15962 transitions. Word has length 71 [2023-12-16 06:22:52,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:52,954 INFO L495 AbstractCegarLoop]: Abstraction has 11651 states and 15962 transitions. [2023-12-16 06:22:52,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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) [2023-12-16 06:22:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 11651 states and 15962 transitions. [2023-12-16 06:22:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-16 06:22:52,959 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:52,959 INFO L195 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] [2023-12-16 06:22:52,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 06:22:52,959 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:52,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1939459057, now seen corresponding path program 1 times [2023-12-16 06:22:52,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:52,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647383574] [2023-12-16 06:22:52,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:52,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:53,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:53,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647383574] [2023-12-16 06:22:53,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647383574] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:53,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:53,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:22:53,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735022702] [2023-12-16 06:22:53,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:53,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:22:53,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:53,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:22:53,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:22:53,031 INFO L87 Difference]: Start difference. First operand 11651 states and 15962 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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) [2023-12-16 06:22:53,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:53,117 INFO L93 Difference]: Finished difference Result 20177 states and 28755 transitions. [2023-12-16 06:22:53,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:22:53,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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 [2023-12-16 06:22:53,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:53,135 INFO L225 Difference]: With dead ends: 20177 [2023-12-16 06:22:53,135 INFO L226 Difference]: Without dead ends: 13752 [2023-12-16 06:22:53,144 INFO L412 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 [2023-12-16 06:22:53,145 INFO L413 NwaCegarLoop]: 1665 mSDtfsCounter, 1031 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1031 SdHoareTripleChecker+Valid, 2346 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:53,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1031 Valid, 2346 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 06:22:53,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13752 states. [2023-12-16 06:22:53,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13752 to 11042. [2023-12-16 06:22:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11042 states, 11035 states have (on average 1.3968282736746715) internal successors, (15414), 11041 states have internal predecessors, (15414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11042 states to 11042 states and 15414 transitions. [2023-12-16 06:22:53,283 INFO L78 Accepts]: Start accepts. Automaton has 11042 states and 15414 transitions. Word has length 71 [2023-12-16 06:22:53,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:53,283 INFO L495 AbstractCegarLoop]: Abstraction has 11042 states and 15414 transitions. [2023-12-16 06:22:53,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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) [2023-12-16 06:22:53,283 INFO L276 IsEmpty]: Start isEmpty. Operand 11042 states and 15414 transitions. [2023-12-16 06:22:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-16 06:22:53,287 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:53,287 INFO L195 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] [2023-12-16 06:22:53,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 06:22:53,287 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:53,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:53,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1009351057, now seen corresponding path program 1 times [2023-12-16 06:22:53,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:53,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509301846] [2023-12-16 06:22:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:53,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:53,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:53,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509301846] [2023-12-16 06:22:53,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509301846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:53,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:53,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:22:53,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538807356] [2023-12-16 06:22:53,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:53,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:22:53,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:53,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:22:53,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:22:53,361 INFO L87 Difference]: Start difference. First operand 11042 states and 15414 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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) [2023-12-16 06:22:53,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:53,522 INFO L93 Difference]: Finished difference Result 25782 states and 36687 transitions. [2023-12-16 06:22:53,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:22:53,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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 [2023-12-16 06:22:53,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:53,544 INFO L225 Difference]: With dead ends: 25782 [2023-12-16 06:22:53,544 INFO L226 Difference]: Without dead ends: 17666 [2023-12-16 06:22:53,555 INFO L412 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 [2023-12-16 06:22:53,556 INFO L413 NwaCegarLoop]: 1831 mSDtfsCounter, 903 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 3089 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:53,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 3089 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:22:53,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17666 states. [2023-12-16 06:22:53,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17666 to 17658. [2023-12-16 06:22:53,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17658 states, 17651 states have (on average 1.3949917851679792) internal successors, (24623), 17657 states have internal predecessors, (24623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17658 states to 17658 states and 24623 transitions. [2023-12-16 06:22:53,755 INFO L78 Accepts]: Start accepts. Automaton has 17658 states and 24623 transitions. Word has length 71 [2023-12-16 06:22:53,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:53,755 INFO L495 AbstractCegarLoop]: Abstraction has 17658 states and 24623 transitions. [2023-12-16 06:22:53,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 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) [2023-12-16 06:22:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 17658 states and 24623 transitions. [2023-12-16 06:22:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-16 06:22:53,760 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:53,760 INFO L195 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] [2023-12-16 06:22:53,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 06:22:53,760 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:53,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:53,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1569860402, now seen corresponding path program 1 times [2023-12-16 06:22:53,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:53,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958131000] [2023-12-16 06:22:53,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:53,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:53,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:53,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:53,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958131000] [2023-12-16 06:22:53,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958131000] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:53,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:53,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:22:53,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460766589] [2023-12-16 06:22:53,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:53,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:22:53,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:53,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:22:53,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:22:53,832 INFO L87 Difference]: Start difference. First operand 17658 states and 24623 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) [2023-12-16 06:22:54,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:54,036 INFO L93 Difference]: Finished difference Result 35020 states and 49544 transitions. [2023-12-16 06:22:54,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:22:54,036 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 [2023-12-16 06:22:54,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:54,060 INFO L225 Difference]: With dead ends: 35020 [2023-12-16 06:22:54,061 INFO L226 Difference]: Without dead ends: 19242 [2023-12-16 06:22:54,077 INFO L412 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 [2023-12-16 06:22:54,078 INFO L413 NwaCegarLoop]: 1544 mSDtfsCounter, 1291 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:54,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 2144 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:22:54,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19242 states. [2023-12-16 06:22:54,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19242 to 15400. [2023-12-16 06:22:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15400 states, 15393 states have (on average 1.4135646072890276) internal successors, (21759), 15399 states have internal predecessors, (21759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15400 states to 15400 states and 21759 transitions. [2023-12-16 06:22:54,262 INFO L78 Accepts]: Start accepts. Automaton has 15400 states and 21759 transitions. Word has length 72 [2023-12-16 06:22:54,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:54,263 INFO L495 AbstractCegarLoop]: Abstraction has 15400 states and 21759 transitions. [2023-12-16 06:22:54,263 INFO L496 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) [2023-12-16 06:22:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 15400 states and 21759 transitions. [2023-12-16 06:22:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-16 06:22:54,281 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:54,281 INFO L195 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] [2023-12-16 06:22:54,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-16 06:22:54,281 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:54,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:54,282 INFO L85 PathProgramCache]: Analyzing trace with hash -620993132, now seen corresponding path program 1 times [2023-12-16 06:22:54,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:54,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33994571] [2023-12-16 06:22:54,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:54,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:54,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:54,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33994571] [2023-12-16 06:22:54,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33994571] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:54,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:54,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:22:54,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179976292] [2023-12-16 06:22:54,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:54,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:22:54,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:54,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:22:54,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:22:54,563 INFO L87 Difference]: Start difference. First operand 15400 states and 21759 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 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) [2023-12-16 06:22:56,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:56,071 INFO L93 Difference]: Finished difference Result 23046 states and 32560 transitions. [2023-12-16 06:22:56,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:22:56,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 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 [2023-12-16 06:22:56,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:56,098 INFO L225 Difference]: With dead ends: 23046 [2023-12-16 06:22:56,098 INFO L226 Difference]: Without dead ends: 22836 [2023-12-16 06:22:56,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:22:56,106 INFO L413 NwaCegarLoop]: 905 mSDtfsCounter, 4795 mSDsluCounter, 3689 mSDsCounter, 0 mSdLazyCounter, 3331 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4795 SdHoareTripleChecker+Valid, 4594 SdHoareTripleChecker+Invalid, 3346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:56,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4795 Valid, 4594 Invalid, 3346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3331 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 06:22:56,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22836 states. [2023-12-16 06:22:56,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22836 to 15395. [2023-12-16 06:22:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15395 states, 15388 states have (on average 1.4134390434104498) internal successors, (21750), 15394 states have internal predecessors, (21750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:56,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15395 states to 15395 states and 21750 transitions. [2023-12-16 06:22:56,315 INFO L78 Accepts]: Start accepts. Automaton has 15395 states and 21750 transitions. Word has length 72 [2023-12-16 06:22:56,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:56,315 INFO L495 AbstractCegarLoop]: Abstraction has 15395 states and 21750 transitions. [2023-12-16 06:22:56,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 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) [2023-12-16 06:22:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 15395 states and 21750 transitions. [2023-12-16 06:22:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-16 06:22:56,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:56,318 INFO L195 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] [2023-12-16 06:22:56,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-16 06:22:56,318 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:56,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:56,318 INFO L85 PathProgramCache]: Analyzing trace with hash -789977138, now seen corresponding path program 1 times [2023-12-16 06:22:56,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:56,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298085183] [2023-12-16 06:22:56,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:56,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:56,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:56,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:56,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298085183] [2023-12-16 06:22:56,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298085183] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:56,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:56,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 06:22:56,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997195600] [2023-12-16 06:22:56,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:56,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 06:22:56,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:56,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 06:22:56,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 06:22:56,382 INFO L87 Difference]: Start difference. First operand 15395 states and 21750 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) [2023-12-16 06:22:56,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:56,522 INFO L93 Difference]: Finished difference Result 31577 states and 45215 transitions. [2023-12-16 06:22:56,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 06:22:56,522 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 [2023-12-16 06:22:56,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:56,540 INFO L225 Difference]: With dead ends: 31577 [2023-12-16 06:22:56,540 INFO L226 Difference]: Without dead ends: 17504 [2023-12-16 06:22:56,552 INFO L412 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 [2023-12-16 06:22:56,553 INFO L413 NwaCegarLoop]: 1405 mSDtfsCounter, 1310 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 1913 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:56,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1310 Valid, 1913 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 06:22:56,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17504 states. [2023-12-16 06:22:56,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17504 to 14075. [2023-12-16 06:22:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.428419107193631) internal successors, (20095), 14074 states have internal predecessors, (20095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:56,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20095 transitions. [2023-12-16 06:22:56,712 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20095 transitions. Word has length 72 [2023-12-16 06:22:56,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:56,712 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20095 transitions. [2023-12-16 06:22:56,712 INFO L496 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) [2023-12-16 06:22:56,712 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20095 transitions. [2023-12-16 06:22:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 06:22:56,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:56,714 INFO L195 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] [2023-12-16 06:22:56,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-16 06:22:56,715 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:56,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:56,715 INFO L85 PathProgramCache]: Analyzing trace with hash -104672906, now seen corresponding path program 1 times [2023-12-16 06:22:56,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:56,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169953407] [2023-12-16 06:22:56,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:56,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:56,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:56,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169953407] [2023-12-16 06:22:56,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169953407] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:56,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:56,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:22:56,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113147148] [2023-12-16 06:22:56,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:56,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:22:56,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:56,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:22:56,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:22:56,916 INFO L87 Difference]: Start difference. First operand 14075 states and 20095 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:58,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:22:58,651 INFO L93 Difference]: Finished difference Result 26880 states and 38272 transitions. [2023-12-16 06:22:58,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:22:58,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-12-16 06:22:58,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:22:58,683 INFO L225 Difference]: With dead ends: 26880 [2023-12-16 06:22:58,684 INFO L226 Difference]: Without dead ends: 26590 [2023-12-16 06:22:58,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:22:58,694 INFO L413 NwaCegarLoop]: 1172 mSDtfsCounter, 4448 mSDsluCounter, 3243 mSDsCounter, 0 mSdLazyCounter, 3390 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4448 SdHoareTripleChecker+Valid, 4415 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 3390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:22:58,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4448 Valid, 4415 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 3390 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 06:22:58,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26590 states. [2023-12-16 06:22:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26590 to 14075. [2023-12-16 06:22:58,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.428348023883992) internal successors, (20094), 14074 states have internal predecessors, (20094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20094 transitions. [2023-12-16 06:22:58,998 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20094 transitions. Word has length 73 [2023-12-16 06:22:58,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:22:58,999 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20094 transitions. [2023-12-16 06:22:58,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:22:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20094 transitions. [2023-12-16 06:22:59,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 06:22:59,001 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:22:59,001 INFO L195 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] [2023-12-16 06:22:59,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-16 06:22:59,001 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:22:59,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:22:59,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1330912566, now seen corresponding path program 1 times [2023-12-16 06:22:59,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:22:59,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121271783] [2023-12-16 06:22:59,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:22:59,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:22:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:22:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:22:59,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:22:59,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121271783] [2023-12-16 06:22:59,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121271783] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:22:59,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:22:59,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:22:59,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55991174] [2023-12-16 06:22:59,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:22:59,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:22:59,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:22:59,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:22:59,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:22:59,229 INFO L87 Difference]: Start difference. First operand 14075 states and 20094 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:23:00,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:23:00,754 INFO L93 Difference]: Finished difference Result 21305 states and 30376 transitions. [2023-12-16 06:23:00,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:23:00,755 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-12-16 06:23:00,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:23:00,782 INFO L225 Difference]: With dead ends: 21305 [2023-12-16 06:23:00,782 INFO L226 Difference]: Without dead ends: 21094 [2023-12-16 06:23:00,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:23:00,792 INFO L413 NwaCegarLoop]: 882 mSDtfsCounter, 4582 mSDsluCounter, 3550 mSDsCounter, 0 mSdLazyCounter, 3199 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4582 SdHoareTripleChecker+Valid, 4432 SdHoareTripleChecker+Invalid, 3214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 06:23:00,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4582 Valid, 4432 Invalid, 3214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3199 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 06:23:00,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21094 states. [2023-12-16 06:23:00,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21094 to 14075. [2023-12-16 06:23:00,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14075 states, 14068 states have (on average 1.4282769405743532) internal successors, (20093), 14074 states have internal predecessors, (20093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:23:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14075 states to 14075 states and 20093 transitions. [2023-12-16 06:23:00,972 INFO L78 Accepts]: Start accepts. Automaton has 14075 states and 20093 transitions. Word has length 73 [2023-12-16 06:23:00,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:23:00,973 INFO L495 AbstractCegarLoop]: Abstraction has 14075 states and 20093 transitions. [2023-12-16 06:23:00,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:23:00,973 INFO L276 IsEmpty]: Start isEmpty. Operand 14075 states and 20093 transitions. [2023-12-16 06:23:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 06:23:00,975 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:23:00,975 INFO L195 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] [2023-12-16 06:23:00,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-16 06:23:00,975 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2023-12-16 06:23:00,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:23:00,976 INFO L85 PathProgramCache]: Analyzing trace with hash -24596204, now seen corresponding path program 1 times [2023-12-16 06:23:00,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:23:00,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072410714] [2023-12-16 06:23:00,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:23:00,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:23:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:23:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:23:01,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:23:01,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072410714] [2023-12-16 06:23:01,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072410714] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:23:01,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:23:01,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:23:01,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183934346] [2023-12-16 06:23:01,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:23:01,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:23:01,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:23:01,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:23:01,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:23:01,162 INFO L87 Difference]: Start difference. First operand 14075 states and 20093 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-16 06:23:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:23:01,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-12-16 06:23:01,424 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 784 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:23:01,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 407 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:23:01,426 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (16 of 17 remaining) [2023-12-16 06:23:01,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-16 06:23:01,427 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). [2023-12-16 06:23:01,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 17 remaining) [2023-12-16 06:23:01,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 17 remaining) [2023-12-16 06:23:01,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (13 of 17 remaining) [2023-12-16 06:23:01,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (12 of 17 remaining) [2023-12-16 06:23:01,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (11 of 17 remaining) [2023-12-16 06:23:01,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (10 of 17 remaining) [2023-12-16 06:23:01,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (9 of 17 remaining) [2023-12-16 06:23:01,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (8 of 17 remaining) [2023-12-16 06:23:01,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (7 of 17 remaining) [2023-12-16 06:23:01,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (6 of 17 remaining) [2023-12-16 06:23:01,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (5 of 17 remaining) [2023-12-16 06:23:01,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (4 of 17 remaining) [2023-12-16 06:23:01,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (3 of 17 remaining) [2023-12-16 06:23:01,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (2 of 17 remaining) [2023-12-16 06:23:01,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (1 of 17 remaining) [2023-12-16 06:23:01,429 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (0 of 17 remaining) [2023-12-16 06:23:01,431 INFO L445 BasicCegarLoop]: Path program 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] [2023-12-16 06:23:01,434 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 06:23:01,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:23:01 BoogieIcfgContainer [2023-12-16 06:23:01,437 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 06:23:01,438 INFO L158 Benchmark]: Toolchain (without parser) took 54775.53ms. Allocated memory was 181.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 121.5MB in the beginning and 727.2MB in the end (delta: -605.7MB). Peak memory consumption was 777.5MB. Max. memory is 8.0GB. [2023-12-16 06:23:01,438 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory was 130.0MB in the beginning and 129.8MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 06:23:01,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1979.97ms. Allocated memory was 181.4MB in the beginning and 243.3MB in the end (delta: 61.9MB). Free memory was 121.2MB in the beginning and 96.3MB in the end (delta: 24.9MB). Peak memory consumption was 104.6MB. Max. memory is 8.0GB. [2023-12-16 06:23:01,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 332.83ms. Allocated memory is still 243.3MB. Free memory was 96.3MB in the beginning and 107.3MB in the end (delta: -11.0MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-12-16 06:23:01,438 INFO L158 Benchmark]: Boogie Preprocessor took 546.93ms. Allocated memory was 243.3MB in the beginning and 455.1MB in the end (delta: 211.8MB). Free memory was 107.3MB in the beginning and 309.1MB in the end (delta: -201.9MB). Peak memory consumption was 45.6MB. Max. memory is 8.0GB. [2023-12-16 06:23:01,440 INFO L158 Benchmark]: RCFGBuilder took 5443.61ms. Allocated memory was 455.1MB in the beginning and 910.2MB in the end (delta: 455.1MB). Free memory was 308.6MB in the beginning and 591.7MB in the end (delta: -283.1MB). Peak memory consumption was 556.8MB. Max. memory is 8.0GB. [2023-12-16 06:23:01,440 INFO L158 Benchmark]: TraceAbstraction took 46466.55ms. Allocated memory was 910.2MB in the beginning and 1.6GB in the end (delta: 653.3MB). Free memory was 590.7MB in the beginning and 727.2MB in the end (delta: -136.5MB). Peak memory consumption was 517.3MB. Max. memory is 8.0GB. [2023-12-16 06:23:01,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory was 130.0MB in the beginning and 129.8MB in the end (delta: 150.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1979.97ms. Allocated memory was 181.4MB in the beginning and 243.3MB in the end (delta: 61.9MB). Free memory was 121.2MB in the beginning and 96.3MB in the end (delta: 24.9MB). Peak memory consumption was 104.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 332.83ms. Allocated memory is still 243.3MB. Free memory was 96.3MB in the beginning and 107.3MB in the end (delta: -11.0MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 546.93ms. Allocated memory was 243.3MB in the beginning and 455.1MB in the end (delta: 211.8MB). Free memory was 107.3MB in the beginning and 309.1MB in the end (delta: -201.9MB). Peak memory consumption was 45.6MB. Max. memory is 8.0GB. * RCFGBuilder took 5443.61ms. Allocated memory was 455.1MB in the beginning and 910.2MB in the end (delta: 455.1MB). Free memory was 308.6MB in the beginning and 591.7MB in the end (delta: -283.1MB). Peak memory consumption was 556.8MB. Max. memory is 8.0GB. * TraceAbstraction took 46466.55ms. Allocated memory was 910.2MB in the beginning and 1.6GB in the end (delta: 653.3MB). Free memory was 590.7MB in the beginning and 727.2MB in the end (delta: -136.5MB). Peak memory consumption was 517.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 4819]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4819). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2168]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2168). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 2706]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2706). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 5514]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 5514). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 6007]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6007). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 6910]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6910). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7599]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7599). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 8203]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8203). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 11141]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11141). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 11412]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 11412). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 12107]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 12107). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 12600]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 12600). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 14553]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 14553). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 16923]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 16923). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 19171]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19171). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 21466]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21466). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 23983]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 23983). Cancelled while NwaCegarLoop was constructing difference of abstraction (14075states) and FLOYD_HOARE automaton (currently 8 states, 8 states before enhancement),while ReachableStatesComputation was computing reachable states (240 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3730 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 46.4s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 36.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 195888 SdHoareTripleChecker+Valid, 30.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195888 mSDsluCounter, 144943 SdHoareTripleChecker+Invalid, 24.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 101477 mSDsCounter, 899 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65790 IncrementalHoareTripleChecker+Invalid, 66689 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 899 mSolverCounterUnsat, 43466 mSDtfsCounter, 65790 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17658occurred in iteration=20, InterpolantAutomatonStates: 246, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 25 MinimizatonAttempts, 112579 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1801 NumberOfCodeBlocks, 1801 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1775 ConstructedInterpolants, 0 QuantifiedInterpolants, 13111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available [2023-12-16 06:23:01,456 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown