/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 03:38:46,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 03:38:47,066 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 03:38:47,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 03:38:47,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 03:38:47,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 03:38:47,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 03:38:47,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 03:38:47,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 03:38:47,111 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 03:38:47,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 03:38:47,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 03:38:47,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 03:38:47,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 03:38:47,113 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 03:38:47,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 03:38:47,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 03:38:47,114 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 03:38:47,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 03:38:47,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 03:38:47,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 03:38:47,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 03:38:47,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 03:38:47,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 03:38:47,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 03:38:47,117 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 03:38:47,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 03:38:47,117 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 03:38:47,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 03:38:47,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 03:38:47,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 03:38:47,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 03:38:47,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 03:38:47,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 03:38:47,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 03:38:47,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 03:38:47,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 03:38:47,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 03:38:47,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 03:38:47,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 03:38:47,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 03:38:47,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 03:38:47,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 03:38:47,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-20 03:38:47,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 03:38:47,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 03:38:47,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 03:38:47,382 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 03:38:47,382 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 03:38:47,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-20 03:38:48,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 03:38:49,044 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 03:38:49,045 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-20 03:38:49,090 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b5fc626d/992dc89276d646f8b8f0e231aae7e70b/FLAG3063b5cf4 [2023-12-20 03:38:49,106 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b5fc626d/992dc89276d646f8b8f0e231aae7e70b [2023-12-20 03:38:49,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 03:38:49,109 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 03:38:49,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 03:38:49,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 03:38:49,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 03:38:49,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 03:38:49" (1/1) ... [2023-12-20 03:38:49,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a667414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:49, skipping insertion in model container [2023-12-20 03:38:49,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 03:38:49" (1/1) ... [2023-12-20 03:38:49,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 03:38:49,855 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16849,16862] [2023-12-20 03:38:49,881 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21942,21955] [2023-12-20 03:38:49,891 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23299,23312] [2023-12-20 03:38:49,897 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24107,24120] [2023-12-20 03:38:49,915 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25792,25805] [2023-12-20 03:38:49,923 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26600,26613] [2023-12-20 03:38:49,930 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27736,27749] [2023-12-20 03:38:49,944 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30390,30403] [2023-12-20 03:38:49,950 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31201,31214] [2023-12-20 03:38:49,957 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32340,32353] [2023-12-20 03:38:49,968 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34445,34458] [2023-12-20 03:38:49,987 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38533,38546] [2023-12-20 03:38:49,993 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39344,39357] [2023-12-20 03:38:50,000 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40483,40496] [2023-12-20 03:38:50,011 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[42588,42601] [2023-12-20 03:38:50,026 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46127,46140] [2023-12-20 03:38:50,051 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52573,52586] [2023-12-20 03:38:50,056 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53384,53397] [2023-12-20 03:38:50,062 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[54527,54540] [2023-12-20 03:38:50,072 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[56636,56649] [2023-12-20 03:38:50,088 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60424,60437] [2023-12-20 03:38:50,115 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67072,67085] [2023-12-20 03:38:50,172 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[79206,79219] [2023-12-20 03:38:50,177 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[80017,80030] [2023-12-20 03:38:50,184 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[81156,81169] [2023-12-20 03:38:50,202 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[83261,83274] [2023-12-20 03:38:50,219 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86800,86813] [2023-12-20 03:38:50,244 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92697,92710] [2023-12-20 03:38:50,279 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[102772,102785] [2023-12-20 03:38:50,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 03:38:50,852 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 03:38:50,923 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[16849,16862] [2023-12-20 03:38:50,935 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[21942,21955] [2023-12-20 03:38:50,941 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[23299,23312] [2023-12-20 03:38:50,945 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[24107,24120] [2023-12-20 03:38:50,950 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[25792,25805] [2023-12-20 03:38:50,954 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26600,26613] [2023-12-20 03:38:50,959 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27736,27749] [2023-12-20 03:38:50,968 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[30390,30403] [2023-12-20 03:38:50,972 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[31201,31214] [2023-12-20 03:38:50,977 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[32340,32353] [2023-12-20 03:38:50,984 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[34445,34458] [2023-12-20 03:38:50,995 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[38533,38546] [2023-12-20 03:38:50,999 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[39344,39357] [2023-12-20 03:38:51,003 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[40483,40496] [2023-12-20 03:38:51,011 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[42588,42601] [2023-12-20 03:38:51,023 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[46127,46140] [2023-12-20 03:38:51,044 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[52573,52586] [2023-12-20 03:38:51,047 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[53384,53397] [2023-12-20 03:38:51,062 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[54527,54540] [2023-12-20 03:38:51,068 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[56636,56649] [2023-12-20 03:38:51,080 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[60424,60437] [2023-12-20 03:38:51,099 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[67072,67085] [2023-12-20 03:38:51,131 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[79206,79219] [2023-12-20 03:38:51,135 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[80017,80030] [2023-12-20 03:38:51,139 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[81156,81169] [2023-12-20 03:38:51,146 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[83261,83274] [2023-12-20 03:38:51,157 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[86800,86813] [2023-12-20 03:38:51,173 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[92697,92710] [2023-12-20 03:38:51,197 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.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[102772,102785] [2023-12-20 03:38:51,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 03:38:51,637 INFO L206 MainTranslator]: Completed translation [2023-12-20 03:38:51,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51 WrapperNode [2023-12-20 03:38:51,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 03:38:51,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 03:38:51,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 03:38:51,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 03:38:51,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:51,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:51,927 INFO L138 Inliner]: procedures = 27, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 12861 [2023-12-20 03:38:51,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 03:38:51,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 03:38:51,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 03:38:51,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 03:38:51,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:51,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:51,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:52,132 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]. [2023-12-20 03:38:52,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:52,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:52,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:52,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:52,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:52,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:52,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 03:38:52,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 03:38:52,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 03:38:52,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 03:38:52,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (1/1) ... [2023-12-20 03:38:52,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 03:38:52,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 03:38:52,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-20 03:38:52,361 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 [2023-12-20 03:38:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 03:38:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 03:38:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 03:38:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 03:38:52,778 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 03:38:52,780 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 03:38:57,178 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 03:38:57,272 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 03:38:57,272 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-20 03:38:57,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 03:38:57 BoogieIcfgContainer [2023-12-20 03:38:57,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 03:38:57,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 03:38:57,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 03:38:57,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 03:38:57,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 03:38:49" (1/3) ... [2023-12-20 03:38:57,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12baecf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 03:38:57, skipping insertion in model container [2023-12-20 03:38:57,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:38:51" (2/3) ... [2023-12-20 03:38:57,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12baecf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 03:38:57, skipping insertion in model container [2023-12-20 03:38:57,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 03:38:57" (3/3) ... [2023-12-20 03:38:57,280 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-12-20 03:38:57,296 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 03:38:57,296 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2023-12-20 03:38:57,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 03:38:57,370 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;@25e79c17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 03:38:57,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2023-12-20 03:38:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 2062 states, 2032 states have (on average 1.8686023622047243) internal successors, (3797), 2061 states have internal predecessors, (3797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:38:57,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-20 03:38:57,411 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:38:57,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:38:57,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:38:57,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:38:57,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1135640583, now seen corresponding path program 1 times [2023-12-20 03:38:57,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:38:57,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344949659] [2023-12-20 03:38:57,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:38:57,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:38:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:38:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:38:58,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:38:58,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344949659] [2023-12-20 03:38:58,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344949659] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:38:58,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:38:58,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:38:58,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698879447] [2023-12-20 03:38:58,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:38:58,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:38:58,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:38:58,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:38:58,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:38:58,058 INFO L87 Difference]: Start difference. First operand has 2062 states, 2032 states have (on average 1.8686023622047243) internal successors, (3797), 2061 states have internal predecessors, (3797), 0 states have call successors, (0), 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 19.8) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:38:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:38:59,246 INFO L93 Difference]: Finished difference Result 3055 states and 5451 transitions. [2023-12-20 03:38:59,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:38:59,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2023-12-20 03:38:59,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:38:59,266 INFO L225 Difference]: With dead ends: 3055 [2023-12-20 03:38:59,267 INFO L226 Difference]: Without dead ends: 1560 [2023-12-20 03:38:59,275 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 [2023-12-20 03:38:59,278 INFO L413 NwaCegarLoop]: 1832 mSDtfsCounter, 8183 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8183 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:38:59,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8183 Valid, 1872 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 03:38:59,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2023-12-20 03:38:59,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1560. [2023-12-20 03:38:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1560 states, 1531 states have (on average 1.3291966035271066) internal successors, (2035), 1559 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:38:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2035 transitions. [2023-12-20 03:38:59,356 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2035 transitions. Word has length 99 [2023-12-20 03:38:59,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:38:59,356 INFO L495 AbstractCegarLoop]: Abstraction has 1560 states and 2035 transitions. [2023-12-20 03:38:59,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:38:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2035 transitions. [2023-12-20 03:38:59,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-20 03:38:59,361 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:38:59,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:38:59,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 03:38:59,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:38:59,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:38:59,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1968753033, now seen corresponding path program 1 times [2023-12-20 03:38:59,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:38:59,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529992986] [2023-12-20 03:38:59,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:38:59,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:38:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:38:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:38:59,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:38:59,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529992986] [2023-12-20 03:38:59,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529992986] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:38:59,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:38:59,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:38:59,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217246082] [2023-12-20 03:38:59,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:38:59,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:38:59,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:38:59,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:38:59,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:38:59,622 INFO L87 Difference]: Start difference. First operand 1560 states and 2035 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:00,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:00,527 INFO L93 Difference]: Finished difference Result 2547 states and 3434 transitions. [2023-12-20 03:39:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:39:00,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2023-12-20 03:39:00,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:00,533 INFO L225 Difference]: With dead ends: 2547 [2023-12-20 03:39:00,533 INFO L226 Difference]: Without dead ends: 1352 [2023-12-20 03:39:00,535 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 [2023-12-20 03:39:00,537 INFO L413 NwaCegarLoop]: 918 mSDtfsCounter, 5239 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5239 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:00,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5239 Valid, 962 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-20 03:39:00,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2023-12-20 03:39:00,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1352. [2023-12-20 03:39:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1323 states have (on average 1.3560090702947847) internal successors, (1794), 1351 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1794 transitions. [2023-12-20 03:39:00,564 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1794 transitions. Word has length 100 [2023-12-20 03:39:00,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:00,566 INFO L495 AbstractCegarLoop]: Abstraction has 1352 states and 1794 transitions. [2023-12-20 03:39:00,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:00,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1794 transitions. [2023-12-20 03:39:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-20 03:39:00,571 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:00,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:00,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 03:39:00,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:00,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:00,572 INFO L85 PathProgramCache]: Analyzing trace with hash -703352954, now seen corresponding path program 1 times [2023-12-20 03:39:00,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:00,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417211044] [2023-12-20 03:39:00,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:00,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:00,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:00,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417211044] [2023-12-20 03:39:00,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417211044] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:00,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:00,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:39:00,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443723693] [2023-12-20 03:39:00,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:00,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:39:00,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:00,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:39:00,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:39:00,808 INFO L87 Difference]: Start difference. First operand 1352 states and 1794 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:01,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:01,585 INFO L93 Difference]: Finished difference Result 2339 states and 3192 transitions. [2023-12-20 03:39:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:39:01,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2023-12-20 03:39:01,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:01,590 INFO L225 Difference]: With dead ends: 2339 [2023-12-20 03:39:01,590 INFO L226 Difference]: Without dead ends: 1212 [2023-12-20 03:39:01,591 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 [2023-12-20 03:39:01,592 INFO L413 NwaCegarLoop]: 891 mSDtfsCounter, 4812 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4812 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:01,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4812 Valid, 919 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 03:39:01,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2023-12-20 03:39:01,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1212. [2023-12-20 03:39:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1212 states, 1183 states have (on average 1.3837700760777685) internal successors, (1637), 1211 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1637 transitions. [2023-12-20 03:39:01,610 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1637 transitions. Word has length 101 [2023-12-20 03:39:01,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:01,610 INFO L495 AbstractCegarLoop]: Abstraction has 1212 states and 1637 transitions. [2023-12-20 03:39:01,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1637 transitions. [2023-12-20 03:39:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-20 03:39:01,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:01,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:01,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 03:39:01,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:01,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:01,614 INFO L85 PathProgramCache]: Analyzing trace with hash 472316096, now seen corresponding path program 1 times [2023-12-20 03:39:01,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:01,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829381513] [2023-12-20 03:39:01,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:01,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:01,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:01,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829381513] [2023-12-20 03:39:01,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829381513] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:01,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:01,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:39:01,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609586512] [2023-12-20 03:39:01,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:01,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:39:01,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:01,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:39:01,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:39:01,778 INFO L87 Difference]: Start difference. First operand 1212 states and 1637 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:02,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:02,695 INFO L93 Difference]: Finished difference Result 2199 states and 3034 transitions. [2023-12-20 03:39:02,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:39:02,697 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2023-12-20 03:39:02,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:02,701 INFO L225 Difference]: With dead ends: 2199 [2023-12-20 03:39:02,701 INFO L226 Difference]: Without dead ends: 1172 [2023-12-20 03:39:02,703 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 [2023-12-20 03:39:02,704 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 4578 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4578 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:02,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4578 Valid, 707 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 03:39:02,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2023-12-20 03:39:02,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1172. [2023-12-20 03:39:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1143 states have (on average 1.389326334208224) internal successors, (1588), 1171 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:02,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1588 transitions. [2023-12-20 03:39:02,726 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1588 transitions. Word has length 102 [2023-12-20 03:39:02,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:02,727 INFO L495 AbstractCegarLoop]: Abstraction has 1172 states and 1588 transitions. [2023-12-20 03:39:02,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1588 transitions. [2023-12-20 03:39:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-20 03:39:02,730 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:02,730 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:02,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 03:39:02,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:02,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:02,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1771013563, now seen corresponding path program 1 times [2023-12-20 03:39:02,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:02,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442558260] [2023-12-20 03:39:02,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:02,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:02,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442558260] [2023-12-20 03:39:02,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442558260] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:02,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:02,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:39:02,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632854633] [2023-12-20 03:39:02,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:02,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:39:02,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:02,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:39:02,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:39:02,919 INFO L87 Difference]: Start difference. First operand 1172 states and 1588 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:03,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:03,504 INFO L93 Difference]: Finished difference Result 2159 states and 2984 transitions. [2023-12-20 03:39:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:39:03,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2023-12-20 03:39:03,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:03,509 INFO L225 Difference]: With dead ends: 2159 [2023-12-20 03:39:03,509 INFO L226 Difference]: Without dead ends: 1110 [2023-12-20 03:39:03,510 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 [2023-12-20 03:39:03,511 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 4491 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4491 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:03,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4491 Valid, 847 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:39:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2023-12-20 03:39:03,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2023-12-20 03:39:03,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 1081 states have (on average 1.4070305272895467) internal successors, (1521), 1109 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:03,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1521 transitions. [2023-12-20 03:39:03,527 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1521 transitions. Word has length 103 [2023-12-20 03:39:03,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:03,528 INFO L495 AbstractCegarLoop]: Abstraction has 1110 states and 1521 transitions. [2023-12-20 03:39:03,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1521 transitions. [2023-12-20 03:39:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-20 03:39:03,530 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:03,530 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:03,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 03:39:03,530 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:03,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:03,531 INFO L85 PathProgramCache]: Analyzing trace with hash -54343083, now seen corresponding path program 1 times [2023-12-20 03:39:03,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:03,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677886786] [2023-12-20 03:39:03,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:03,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:03,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:03,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677886786] [2023-12-20 03:39:03,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677886786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:03,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:03,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:39:03,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174510824] [2023-12-20 03:39:03,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:03,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:39:03,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:03,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:39:03,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:39:03,691 INFO L87 Difference]: Start difference. First operand 1110 states and 1521 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:04,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:04,706 INFO L93 Difference]: Finished difference Result 2676 states and 3716 transitions. [2023-12-20 03:39:04,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:39:04,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2023-12-20 03:39:04,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:04,711 INFO L225 Difference]: With dead ends: 2676 [2023-12-20 03:39:04,711 INFO L226 Difference]: Without dead ends: 1655 [2023-12-20 03:39:04,713 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 [2023-12-20 03:39:04,714 INFO L413 NwaCegarLoop]: 820 mSDtfsCounter, 5989 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5989 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:04,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5989 Valid, 1268 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 03:39:04,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1655 states. [2023-12-20 03:39:04,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1655 to 1553. [2023-12-20 03:39:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1553 states, 1524 states have (on average 1.444225721784777) internal successors, (2201), 1552 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:04,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2201 transitions. [2023-12-20 03:39:04,742 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2201 transitions. Word has length 104 [2023-12-20 03:39:04,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:04,742 INFO L495 AbstractCegarLoop]: Abstraction has 1553 states and 2201 transitions. [2023-12-20 03:39:04,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:04,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2201 transitions. [2023-12-20 03:39:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-20 03:39:04,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:04,747 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:04,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 03:39:04,747 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:04,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:04,748 INFO L85 PathProgramCache]: Analyzing trace with hash 883423548, now seen corresponding path program 1 times [2023-12-20 03:39:04,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:04,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065698946] [2023-12-20 03:39:04,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:04,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:04,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:04,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065698946] [2023-12-20 03:39:04,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065698946] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:04,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:04,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:39:04,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510388170] [2023-12-20 03:39:04,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:04,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:39:04,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:04,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:39:04,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:39:04,932 INFO L87 Difference]: Start difference. First operand 1553 states and 2201 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:05,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:05,615 INFO L93 Difference]: Finished difference Result 3017 states and 4312 transitions. [2023-12-20 03:39:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:39:05,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2023-12-20 03:39:05,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:05,622 INFO L225 Difference]: With dead ends: 3017 [2023-12-20 03:39:05,622 INFO L226 Difference]: Without dead ends: 1542 [2023-12-20 03:39:05,624 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 [2023-12-20 03:39:05,625 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 4296 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4296 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:05,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4296 Valid, 804 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:39:05,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2023-12-20 03:39:05,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2023-12-20 03:39:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4454725710508922) internal successors, (2187), 1541 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:05,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2187 transitions. [2023-12-20 03:39:05,654 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2187 transitions. Word has length 105 [2023-12-20 03:39:05,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:05,654 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2187 transitions. [2023-12-20 03:39:05,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2187 transitions. [2023-12-20 03:39:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-20 03:39:05,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:05,657 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:05,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 03:39:05,657 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:05,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:05,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1511270635, now seen corresponding path program 1 times [2023-12-20 03:39:05,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:05,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310494472] [2023-12-20 03:39:05,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:05,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:06,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:06,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:06,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310494472] [2023-12-20 03:39:06,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310494472] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:06,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:06,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:06,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484634308] [2023-12-20 03:39:06,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:06,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:06,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:06,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:06,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:06,118 INFO L87 Difference]: Start difference. First operand 1542 states and 2187 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:08,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:08,081 INFO L93 Difference]: Finished difference Result 2762 states and 3927 transitions. [2023-12-20 03:39:08,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:08,082 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-20 03:39:08,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:08,089 INFO L225 Difference]: With dead ends: 2762 [2023-12-20 03:39:08,090 INFO L226 Difference]: Without dead ends: 2378 [2023-12-20 03:39:08,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:39:08,092 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 6978 mSDsluCounter, 2629 mSDsCounter, 0 mSdLazyCounter, 2903 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6978 SdHoareTripleChecker+Valid, 3485 SdHoareTripleChecker+Invalid, 2907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:08,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6978 Valid, 3485 Invalid, 2907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2903 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:39:08,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2023-12-20 03:39:08,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 1542. [2023-12-20 03:39:08,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.444811632518176) internal successors, (2186), 1541 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2186 transitions. [2023-12-20 03:39:08,137 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2186 transitions. Word has length 106 [2023-12-20 03:39:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:08,138 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2186 transitions. [2023-12-20 03:39:08,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2186 transitions. [2023-12-20 03:39:08,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-20 03:39:08,142 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:08,142 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:08,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 03:39:08,143 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:08,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:08,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1798506288, now seen corresponding path program 1 times [2023-12-20 03:39:08,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:08,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63747964] [2023-12-20 03:39:08,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:08,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:08,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63747964] [2023-12-20 03:39:08,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63747964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:08,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:08,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:08,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852847540] [2023-12-20 03:39:08,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:08,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:08,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:08,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:08,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:08,485 INFO L87 Difference]: Start difference. First operand 1542 states and 2186 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:10,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:10,227 INFO L93 Difference]: Finished difference Result 2888 states and 4120 transitions. [2023-12-20 03:39:10,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:10,227 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-20 03:39:10,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:10,235 INFO L225 Difference]: With dead ends: 2888 [2023-12-20 03:39:10,235 INFO L226 Difference]: Without dead ends: 2697 [2023-12-20 03:39:10,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:10,237 INFO L413 NwaCegarLoop]: 867 mSDtfsCounter, 6433 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 3138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6433 SdHoareTripleChecker+Valid, 3726 SdHoareTripleChecker+Invalid, 3142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:10,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6433 Valid, 3726 Invalid, 3142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3138 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:39:10,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2023-12-20 03:39:10,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1542. [2023-12-20 03:39:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4441506939854594) internal successors, (2185), 1541 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2185 transitions. [2023-12-20 03:39:10,271 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2185 transitions. Word has length 106 [2023-12-20 03:39:10,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:10,271 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2185 transitions. [2023-12-20 03:39:10,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 7 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2185 transitions. [2023-12-20 03:39:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-20 03:39:10,275 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:10,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:10,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 03:39:10,275 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:10,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:10,276 INFO L85 PathProgramCache]: Analyzing trace with hash -43154195, now seen corresponding path program 1 times [2023-12-20 03:39:10,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:10,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811888342] [2023-12-20 03:39:10,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:10,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:10,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:10,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:10,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811888342] [2023-12-20 03:39:10,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811888342] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:10,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:10,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 03:39:10,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708182434] [2023-12-20 03:39:10,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:10,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 03:39:10,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:10,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 03:39:10,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-20 03:39:10,706 INFO L87 Difference]: Start difference. First operand 1542 states and 2185 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:11,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:11,851 INFO L93 Difference]: Finished difference Result 2661 states and 3645 transitions. [2023-12-20 03:39:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-20 03:39:11,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2023-12-20 03:39:11,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:11,856 INFO L225 Difference]: With dead ends: 2661 [2023-12-20 03:39:11,856 INFO L226 Difference]: Without dead ends: 2001 [2023-12-20 03:39:11,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-12-20 03:39:11,858 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 6507 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 1931 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6507 SdHoareTripleChecker+Valid, 1600 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:11,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6507 Valid, 1600 Invalid, 1932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1931 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 03:39:11,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2023-12-20 03:39:11,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1542. [2023-12-20 03:39:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4434897554527428) internal successors, (2184), 1541 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2184 transitions. [2023-12-20 03:39:11,884 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2184 transitions. Word has length 106 [2023-12-20 03:39:11,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:11,885 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2184 transitions. [2023-12-20 03:39:11,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2184 transitions. [2023-12-20 03:39:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:11,887 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:11,888 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:11,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 03:39:11,888 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:11,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2099836846, now seen corresponding path program 1 times [2023-12-20 03:39:11,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:11,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136439967] [2023-12-20 03:39:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:11,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:12,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:12,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:12,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136439967] [2023-12-20 03:39:12,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136439967] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:12,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:12,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:12,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116721258] [2023-12-20 03:39:12,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:12,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:12,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:12,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:12,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:12,185 INFO L87 Difference]: Start difference. First operand 1542 states and 2184 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:13,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:13,773 INFO L93 Difference]: Finished difference Result 2882 states and 4112 transitions. [2023-12-20 03:39:13,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:13,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:13,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:13,779 INFO L225 Difference]: With dead ends: 2882 [2023-12-20 03:39:13,779 INFO L226 Difference]: Without dead ends: 2697 [2023-12-20 03:39:13,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:13,780 INFO L413 NwaCegarLoop]: 855 mSDtfsCounter, 6360 mSDsluCounter, 2857 mSDsCounter, 0 mSdLazyCounter, 3129 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6360 SdHoareTripleChecker+Valid, 3712 SdHoareTripleChecker+Invalid, 3133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:13,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6360 Valid, 3712 Invalid, 3133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3129 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:39:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2023-12-20 03:39:13,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1542. [2023-12-20 03:39:13,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4428288169200265) internal successors, (2183), 1541 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2183 transitions. [2023-12-20 03:39:13,810 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2183 transitions. Word has length 108 [2023-12-20 03:39:13,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:13,810 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2183 transitions. [2023-12-20 03:39:13,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2183 transitions. [2023-12-20 03:39:13,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:13,813 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:13,813 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:13,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-20 03:39:13,814 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:13,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:13,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1707868184, now seen corresponding path program 1 times [2023-12-20 03:39:13,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:13,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314994601] [2023-12-20 03:39:13,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:13,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:14,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:14,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314994601] [2023-12-20 03:39:14,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314994601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:14,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:14,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:14,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944481607] [2023-12-20 03:39:14,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:14,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:14,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:14,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:14,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:14,122 INFO L87 Difference]: Start difference. First operand 1542 states and 2183 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:15,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:15,964 INFO L93 Difference]: Finished difference Result 3014 states and 4316 transitions. [2023-12-20 03:39:15,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:15,965 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:15,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:15,972 INFO L225 Difference]: With dead ends: 3014 [2023-12-20 03:39:15,972 INFO L226 Difference]: Without dead ends: 2753 [2023-12-20 03:39:15,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:39:15,973 INFO L413 NwaCegarLoop]: 978 mSDtfsCounter, 6081 mSDsluCounter, 3286 mSDsCounter, 0 mSdLazyCounter, 3493 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6081 SdHoareTripleChecker+Valid, 4264 SdHoareTripleChecker+Invalid, 3497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:15,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6081 Valid, 4264 Invalid, 3497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3493 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:39:15,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2023-12-20 03:39:16,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 1542. [2023-12-20 03:39:16,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.44216787838731) internal successors, (2182), 1541 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:16,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2182 transitions. [2023-12-20 03:39:16,004 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2182 transitions. Word has length 108 [2023-12-20 03:39:16,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:16,005 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2182 transitions. [2023-12-20 03:39:16,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:16,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2182 transitions. [2023-12-20 03:39:16,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:16,007 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:16,007 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:16,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 03:39:16,008 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:16,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:16,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1111952338, now seen corresponding path program 1 times [2023-12-20 03:39:16,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:16,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498500064] [2023-12-20 03:39:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:16,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:16,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:16,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498500064] [2023-12-20 03:39:16,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498500064] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:16,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:16,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:16,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155427498] [2023-12-20 03:39:16,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:16,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:16,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:16,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:16,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:16,312 INFO L87 Difference]: Start difference. First operand 1542 states and 2182 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:17,833 INFO L93 Difference]: Finished difference Result 2882 states and 4110 transitions. [2023-12-20 03:39:17,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:17,834 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:17,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:17,841 INFO L225 Difference]: With dead ends: 2882 [2023-12-20 03:39:17,841 INFO L226 Difference]: Without dead ends: 2697 [2023-12-20 03:39:17,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:17,843 INFO L413 NwaCegarLoop]: 867 mSDtfsCounter, 4193 mSDsluCounter, 2866 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4193 SdHoareTripleChecker+Valid, 3733 SdHoareTripleChecker+Invalid, 3130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:17,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4193 Valid, 3733 Invalid, 3130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3126 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:39:17,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2023-12-20 03:39:17,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1542. [2023-12-20 03:39:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4415069398545934) internal successors, (2181), 1541 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2181 transitions. [2023-12-20 03:39:17,876 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2181 transitions. Word has length 108 [2023-12-20 03:39:17,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:17,876 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2181 transitions. [2023-12-20 03:39:17,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2181 transitions. [2023-12-20 03:39:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:17,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:17,892 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:17,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-20 03:39:17,892 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:17,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:17,892 INFO L85 PathProgramCache]: Analyzing trace with hash -507418736, now seen corresponding path program 1 times [2023-12-20 03:39:17,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:17,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530781801] [2023-12-20 03:39:17,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:17,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:18,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:18,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:18,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530781801] [2023-12-20 03:39:18,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530781801] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:18,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:18,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:39:18,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546401843] [2023-12-20 03:39:18,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:18,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:39:18,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:18,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:39:18,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:39:18,576 INFO L87 Difference]: Start difference. First operand 1542 states and 2181 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:22,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:22,098 INFO L93 Difference]: Finished difference Result 4595 states and 6645 transitions. [2023-12-20 03:39:22,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:39:22,098 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:22,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:22,111 INFO L225 Difference]: With dead ends: 4595 [2023-12-20 03:39:22,112 INFO L226 Difference]: Without dead ends: 4311 [2023-12-20 03:39:22,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:39:22,114 INFO L413 NwaCegarLoop]: 1515 mSDtfsCounter, 11063 mSDsluCounter, 6185 mSDsCounter, 0 mSdLazyCounter, 6619 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11063 SdHoareTripleChecker+Valid, 7700 SdHoareTripleChecker+Invalid, 6982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 6619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:22,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11063 Valid, 7700 Invalid, 6982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [363 Valid, 6619 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-12-20 03:39:22,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4311 states. [2023-12-20 03:39:22,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4311 to 1546. [2023-12-20 03:39:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4403427818061965) internal successors, (2185), 1545 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:22,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2185 transitions. [2023-12-20 03:39:22,150 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2185 transitions. Word has length 108 [2023-12-20 03:39:22,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:22,151 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2185 transitions. [2023-12-20 03:39:22,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2185 transitions. [2023-12-20 03:39:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:22,154 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:22,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:22,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-20 03:39:22,154 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:22,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:22,154 INFO L85 PathProgramCache]: Analyzing trace with hash 899330884, now seen corresponding path program 1 times [2023-12-20 03:39:22,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:22,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397648387] [2023-12-20 03:39:22,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:22,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:22,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:22,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397648387] [2023-12-20 03:39:22,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397648387] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:22,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:22,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:22,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658035748] [2023-12-20 03:39:22,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:22,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:22,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:22,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:22,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:22,443 INFO L87 Difference]: Start difference. First operand 1546 states and 2185 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:24,109 INFO L93 Difference]: Finished difference Result 2892 states and 4118 transitions. [2023-12-20 03:39:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:24,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:24,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:24,114 INFO L225 Difference]: With dead ends: 2892 [2023-12-20 03:39:24,115 INFO L226 Difference]: Without dead ends: 2701 [2023-12-20 03:39:24,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:24,116 INFO L413 NwaCegarLoop]: 867 mSDtfsCounter, 4192 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 3120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4192 SdHoareTripleChecker+Valid, 3739 SdHoareTripleChecker+Invalid, 3124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:24,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4192 Valid, 3739 Invalid, 3124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3120 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:39:24,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2023-12-20 03:39:24,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 1546. [2023-12-20 03:39:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4396835860250494) internal successors, (2184), 1545 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2184 transitions. [2023-12-20 03:39:24,143 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2184 transitions. Word has length 108 [2023-12-20 03:39:24,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:24,144 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2184 transitions. [2023-12-20 03:39:24,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2184 transitions. [2023-12-20 03:39:24,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:24,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:24,147 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:24,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 03:39:24,147 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:24,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:24,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1176238153, now seen corresponding path program 1 times [2023-12-20 03:39:24,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:24,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530306971] [2023-12-20 03:39:24,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:24,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:24,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:24,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530306971] [2023-12-20 03:39:24,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530306971] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:24,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:24,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:24,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378187165] [2023-12-20 03:39:24,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:24,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:24,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:24,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:24,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:24,441 INFO L87 Difference]: Start difference. First operand 1546 states and 2184 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:26,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:26,063 INFO L93 Difference]: Finished difference Result 2911 states and 4143 transitions. [2023-12-20 03:39:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:26,064 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:26,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:26,068 INFO L225 Difference]: With dead ends: 2911 [2023-12-20 03:39:26,068 INFO L226 Difference]: Without dead ends: 2701 [2023-12-20 03:39:26,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:26,070 INFO L413 NwaCegarLoop]: 867 mSDtfsCounter, 4123 mSDsluCounter, 2878 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 3745 SdHoareTripleChecker+Invalid, 3115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:26,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 3745 Invalid, 3115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3111 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:39:26,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2023-12-20 03:39:26,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 1546. [2023-12-20 03:39:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4383651944627553) internal successors, (2182), 1545 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2182 transitions. [2023-12-20 03:39:26,098 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2182 transitions. Word has length 108 [2023-12-20 03:39:26,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:26,099 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2182 transitions. [2023-12-20 03:39:26,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2182 transitions. [2023-12-20 03:39:26,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:26,102 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:26,102 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:26,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-20 03:39:26,102 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:26,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:26,103 INFO L85 PathProgramCache]: Analyzing trace with hash -121651885, now seen corresponding path program 1 times [2023-12-20 03:39:26,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:26,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429045811] [2023-12-20 03:39:26,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:26,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:26,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:26,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:26,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429045811] [2023-12-20 03:39:26,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429045811] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:26,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:26,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:26,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115834519] [2023-12-20 03:39:26,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:26,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:26,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:26,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:26,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:26,433 INFO L87 Difference]: Start difference. First operand 1546 states and 2182 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:28,156 INFO L93 Difference]: Finished difference Result 3119 states and 4452 transitions. [2023-12-20 03:39:28,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:28,156 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:28,160 INFO L225 Difference]: With dead ends: 3119 [2023-12-20 03:39:28,160 INFO L226 Difference]: Without dead ends: 2753 [2023-12-20 03:39:28,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:39:28,161 INFO L413 NwaCegarLoop]: 958 mSDtfsCounter, 6281 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3277 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6281 SdHoareTripleChecker+Valid, 4032 SdHoareTripleChecker+Invalid, 3281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:28,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6281 Valid, 4032 Invalid, 3281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3277 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:39:28,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2023-12-20 03:39:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 1546. [2023-12-20 03:39:28,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4370468029004615) internal successors, (2180), 1545 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2180 transitions. [2023-12-20 03:39:28,189 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2180 transitions. Word has length 108 [2023-12-20 03:39:28,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:28,189 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2180 transitions. [2023-12-20 03:39:28,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2180 transitions. [2023-12-20 03:39:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:28,192 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:28,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:28,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-20 03:39:28,193 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:28,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:28,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1711979523, now seen corresponding path program 1 times [2023-12-20 03:39:28,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:28,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925329538] [2023-12-20 03:39:28,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:28,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:28,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:28,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925329538] [2023-12-20 03:39:28,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925329538] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:28,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:28,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:28,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437315477] [2023-12-20 03:39:28,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:28,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:28,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:28,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:28,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:28,466 INFO L87 Difference]: Start difference. First operand 1546 states and 2180 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:30,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:30,041 INFO L93 Difference]: Finished difference Result 2911 states and 4139 transitions. [2023-12-20 03:39:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:30,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:30,046 INFO L225 Difference]: With dead ends: 2911 [2023-12-20 03:39:30,046 INFO L226 Difference]: Without dead ends: 2701 [2023-12-20 03:39:30,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:30,047 INFO L413 NwaCegarLoop]: 867 mSDtfsCounter, 6366 mSDsluCounter, 2875 mSDsCounter, 0 mSdLazyCounter, 3106 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6366 SdHoareTripleChecker+Valid, 3742 SdHoareTripleChecker+Invalid, 3110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:30,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6366 Valid, 3742 Invalid, 3110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3106 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:39:30,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2023-12-20 03:39:30,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 1546. [2023-12-20 03:39:30,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4357284113381674) internal successors, (2178), 1545 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2178 transitions. [2023-12-20 03:39:30,068 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2178 transitions. Word has length 108 [2023-12-20 03:39:30,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:30,068 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2178 transitions. [2023-12-20 03:39:30,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2178 transitions. [2023-12-20 03:39:30,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:30,070 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:30,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:30,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-20 03:39:30,071 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:30,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:30,071 INFO L85 PathProgramCache]: Analyzing trace with hash -567046043, now seen corresponding path program 1 times [2023-12-20 03:39:30,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:30,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639348889] [2023-12-20 03:39:30,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:30,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:30,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:30,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639348889] [2023-12-20 03:39:30,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639348889] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:30,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:30,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:39:30,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565077239] [2023-12-20 03:39:30,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:30,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:39:30,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:30,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:39:30,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:39:30,421 INFO L87 Difference]: Start difference. First operand 1546 states and 2178 transitions. Second operand has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:32,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:32,740 INFO L93 Difference]: Finished difference Result 3035 states and 4300 transitions. [2023-12-20 03:39:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-20 03:39:32,741 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:32,745 INFO L225 Difference]: With dead ends: 3035 [2023-12-20 03:39:32,745 INFO L226 Difference]: Without dead ends: 2821 [2023-12-20 03:39:32,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2023-12-20 03:39:32,746 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 6383 mSDsluCounter, 5137 mSDsCounter, 0 mSdLazyCounter, 5111 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6383 SdHoareTripleChecker+Valid, 6022 SdHoareTripleChecker+Invalid, 5118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 5111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:32,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6383 Valid, 6022 Invalid, 5118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 5111 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-20 03:39:32,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2821 states. [2023-12-20 03:39:32,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2821 to 1568. [2023-12-20 03:39:32,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1539 states have (on average 1.4372969460688758) internal successors, (2212), 1567 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2212 transitions. [2023-12-20 03:39:32,770 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2212 transitions. Word has length 108 [2023-12-20 03:39:32,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:32,770 INFO L495 AbstractCegarLoop]: Abstraction has 1568 states and 2212 transitions. [2023-12-20 03:39:32,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.818181818181818) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:32,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2212 transitions. [2023-12-20 03:39:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-20 03:39:32,773 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:32,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:32,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-20 03:39:32,773 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:32,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:32,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1864936081, now seen corresponding path program 1 times [2023-12-20 03:39:32,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:32,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106912320] [2023-12-20 03:39:32,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:32,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:33,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:33,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106912320] [2023-12-20 03:39:33,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106912320] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:33,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:33,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:33,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794803194] [2023-12-20 03:39:33,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:33,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:33,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:33,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:33,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:33,066 INFO L87 Difference]: Start difference. First operand 1568 states and 2212 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:34,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:34,371 INFO L93 Difference]: Finished difference Result 2453 states and 3483 transitions. [2023-12-20 03:39:34,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 03:39:34,371 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2023-12-20 03:39:34,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:34,374 INFO L225 Difference]: With dead ends: 2453 [2023-12-20 03:39:34,374 INFO L226 Difference]: Without dead ends: 1803 [2023-12-20 03:39:34,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2023-12-20 03:39:34,376 INFO L413 NwaCegarLoop]: 886 mSDtfsCounter, 3147 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 2786 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3147 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 2791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:34,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3147 Valid, 3444 Invalid, 2791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2786 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 03:39:34,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2023-12-20 03:39:34,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1546. [2023-12-20 03:39:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4344100197758733) internal successors, (2176), 1545 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2176 transitions. [2023-12-20 03:39:34,400 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2176 transitions. Word has length 108 [2023-12-20 03:39:34,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:34,400 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2176 transitions. [2023-12-20 03:39:34,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 7 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2176 transitions. [2023-12-20 03:39:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-20 03:39:34,403 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:34,403 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:34,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-20 03:39:34,403 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:34,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:34,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1029293072, now seen corresponding path program 1 times [2023-12-20 03:39:34,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:34,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161585481] [2023-12-20 03:39:34,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:34,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:34,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:34,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161585481] [2023-12-20 03:39:34,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161585481] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:34,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:34,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:34,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075997079] [2023-12-20 03:39:34,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:34,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:34,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:34,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:34,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:34,664 INFO L87 Difference]: Start difference. First operand 1546 states and 2176 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:36,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:36,504 INFO L93 Difference]: Finished difference Result 3037 states and 4328 transitions. [2023-12-20 03:39:36,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:36,504 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2023-12-20 03:39:36,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:36,508 INFO L225 Difference]: With dead ends: 3037 [2023-12-20 03:39:36,508 INFO L226 Difference]: Without dead ends: 2753 [2023-12-20 03:39:36,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:36,510 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 3652 mSDsluCounter, 3853 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3652 SdHoareTripleChecker+Valid, 5179 SdHoareTripleChecker+Invalid, 4150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:36,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3652 Valid, 5179 Invalid, 4150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:39:36,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2023-12-20 03:39:36,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 1542. [2023-12-20 03:39:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.434897554527429) internal successors, (2171), 1541 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2171 transitions. [2023-12-20 03:39:36,531 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2171 transitions. Word has length 109 [2023-12-20 03:39:36,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:36,531 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2171 transitions. [2023-12-20 03:39:36,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 7 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2171 transitions. [2023-12-20 03:39:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:36,533 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:36,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:36,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-20 03:39:36,534 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:36,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:36,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1096308357, now seen corresponding path program 1 times [2023-12-20 03:39:36,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:36,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520441259] [2023-12-20 03:39:36,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:36,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:36,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:36,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520441259] [2023-12-20 03:39:36,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520441259] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:36,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:36,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:39:36,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115821805] [2023-12-20 03:39:36,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:36,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:39:36,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:36,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:39:36,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:39:36,989 INFO L87 Difference]: Start difference. First operand 1542 states and 2171 transitions. Second operand has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:39,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:39,828 INFO L93 Difference]: Finished difference Result 4265 states and 6150 transitions. [2023-12-20 03:39:39,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:39:39,828 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:39:39,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:39,834 INFO L225 Difference]: With dead ends: 4265 [2023-12-20 03:39:39,834 INFO L226 Difference]: Without dead ends: 4050 [2023-12-20 03:39:39,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:39:39,836 INFO L413 NwaCegarLoop]: 1290 mSDtfsCounter, 10313 mSDsluCounter, 4435 mSDsCounter, 0 mSdLazyCounter, 4861 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10313 SdHoareTripleChecker+Valid, 5725 SdHoareTripleChecker+Invalid, 5196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 4861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:39,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10313 Valid, 5725 Invalid, 5196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 4861 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-20 03:39:39,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4050 states. [2023-12-20 03:39:39,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4050 to 1546. [2023-12-20 03:39:39,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4337508239947265) internal successors, (2175), 1545 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:39,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2175 transitions. [2023-12-20 03:39:39,862 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2175 transitions. Word has length 110 [2023-12-20 03:39:39,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:39,863 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2175 transitions. [2023-12-20 03:39:39,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2175 transitions. [2023-12-20 03:39:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:39,865 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:39,865 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:39,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-20 03:39:39,866 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:39,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:39,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1547475906, now seen corresponding path program 1 times [2023-12-20 03:39:39,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:39,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512658210] [2023-12-20 03:39:39,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:39,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:40,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:40,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512658210] [2023-12-20 03:39:40,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512658210] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:40,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:40,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:40,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630897477] [2023-12-20 03:39:40,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:40,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:40,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:40,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:40,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:40,118 INFO L87 Difference]: Start difference. First operand 1546 states and 2175 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:41,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:41,635 INFO L93 Difference]: Finished difference Result 2884 states and 4097 transitions. [2023-12-20 03:39:41,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:41,635 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:39:41,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:41,639 INFO L225 Difference]: With dead ends: 2884 [2023-12-20 03:39:41,639 INFO L226 Difference]: Without dead ends: 2701 [2023-12-20 03:39:41,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:41,640 INFO L413 NwaCegarLoop]: 859 mSDtfsCounter, 6321 mSDsluCounter, 2869 mSDsCounter, 0 mSdLazyCounter, 3079 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6321 SdHoareTripleChecker+Valid, 3728 SdHoareTripleChecker+Invalid, 3083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:41,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6321 Valid, 3728 Invalid, 3083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3079 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:39:41,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2023-12-20 03:39:41,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 1546. [2023-12-20 03:39:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4330916282135795) internal successors, (2174), 1545 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2174 transitions. [2023-12-20 03:39:41,694 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2174 transitions. Word has length 110 [2023-12-20 03:39:41,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:41,694 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2174 transitions. [2023-12-20 03:39:41,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2174 transitions. [2023-12-20 03:39:41,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:41,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:41,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:41,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-20 03:39:41,697 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:41,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:41,697 INFO L85 PathProgramCache]: Analyzing trace with hash 325696877, now seen corresponding path program 1 times [2023-12-20 03:39:41,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:41,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692766940] [2023-12-20 03:39:41,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:41,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:42,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:42,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692766940] [2023-12-20 03:39:42,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692766940] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:42,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:42,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:42,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000406289] [2023-12-20 03:39:42,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:42,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:42,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:42,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:42,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:42,008 INFO L87 Difference]: Start difference. First operand 1546 states and 2174 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:43,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:43,954 INFO L93 Difference]: Finished difference Result 2928 states and 4169 transitions. [2023-12-20 03:39:43,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:39:43,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:39:43,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:43,958 INFO L225 Difference]: With dead ends: 2928 [2023-12-20 03:39:43,958 INFO L226 Difference]: Without dead ends: 2721 [2023-12-20 03:39:43,959 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 [2023-12-20 03:39:43,959 INFO L413 NwaCegarLoop]: 1341 mSDtfsCounter, 4877 mSDsluCounter, 4706 mSDsCounter, 0 mSdLazyCounter, 4522 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4877 SdHoareTripleChecker+Valid, 6047 SdHoareTripleChecker+Invalid, 4525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:43,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4877 Valid, 6047 Invalid, 4525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4522 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-20 03:39:43,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2023-12-20 03:39:43,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1546. [2023-12-20 03:39:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4324324324324325) internal successors, (2173), 1545 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2173 transitions. [2023-12-20 03:39:43,982 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2173 transitions. Word has length 110 [2023-12-20 03:39:43,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:43,982 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2173 transitions. [2023-12-20 03:39:43,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2173 transitions. [2023-12-20 03:39:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:43,985 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:43,985 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:43,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-20 03:39:43,985 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:43,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:43,985 INFO L85 PathProgramCache]: Analyzing trace with hash -583741300, now seen corresponding path program 1 times [2023-12-20 03:39:43,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:43,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035589902] [2023-12-20 03:39:43,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:43,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:44,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:44,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035589902] [2023-12-20 03:39:44,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035589902] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:44,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:44,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:44,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116211477] [2023-12-20 03:39:44,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:44,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:44,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:44,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:44,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:44,299 INFO L87 Difference]: Start difference. First operand 1546 states and 2173 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:45,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:45,964 INFO L93 Difference]: Finished difference Result 2892 states and 4103 transitions. [2023-12-20 03:39:45,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:45,964 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:39:45,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:45,967 INFO L225 Difference]: With dead ends: 2892 [2023-12-20 03:39:45,967 INFO L226 Difference]: Without dead ends: 2701 [2023-12-20 03:39:45,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:45,968 INFO L413 NwaCegarLoop]: 899 mSDtfsCounter, 4041 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 3203 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4041 SdHoareTripleChecker+Valid, 3870 SdHoareTripleChecker+Invalid, 3207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:45,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4041 Valid, 3870 Invalid, 3207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3203 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:39:45,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2023-12-20 03:39:45,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 1546. [2023-12-20 03:39:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.4317732366512854) internal successors, (2172), 1545 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:45,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2172 transitions. [2023-12-20 03:39:45,988 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2172 transitions. Word has length 110 [2023-12-20 03:39:45,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:45,989 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2172 transitions. [2023-12-20 03:39:45,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2172 transitions. [2023-12-20 03:39:45,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:45,991 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:45,991 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:45,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-20 03:39:45,991 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:45,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:45,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1881631338, now seen corresponding path program 1 times [2023-12-20 03:39:45,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:45,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143929271] [2023-12-20 03:39:45,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:45,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:46,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:46,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143929271] [2023-12-20 03:39:46,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143929271] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:46,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:46,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:39:46,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612404621] [2023-12-20 03:39:46,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:46,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:39:46,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:46,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:39:46,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:39:46,470 INFO L87 Difference]: Start difference. First operand 1546 states and 2172 transitions. Second operand has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:49,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:49,419 INFO L93 Difference]: Finished difference Result 4295 states and 6177 transitions. [2023-12-20 03:39:49,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:39:49,419 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:39:49,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:49,423 INFO L225 Difference]: With dead ends: 4295 [2023-12-20 03:39:49,423 INFO L226 Difference]: Without dead ends: 4065 [2023-12-20 03:39:49,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:39:49,424 INFO L413 NwaCegarLoop]: 1281 mSDtfsCounter, 10472 mSDsluCounter, 4839 mSDsCounter, 0 mSdLazyCounter, 5051 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10472 SdHoareTripleChecker+Valid, 6120 SdHoareTripleChecker+Invalid, 5398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 5051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:49,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10472 Valid, 6120 Invalid, 5398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [347 Valid, 5051 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-20 03:39:49,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2023-12-20 03:39:49,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 1550. [2023-12-20 03:39:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.430637738330046) internal successors, (2176), 1549 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2176 transitions. [2023-12-20 03:39:49,448 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2176 transitions. Word has length 110 [2023-12-20 03:39:49,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:49,448 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2176 transitions. [2023-12-20 03:39:49,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2176 transitions. [2023-12-20 03:39:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:49,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:49,450 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:49,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-20 03:39:49,451 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:49,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:49,451 INFO L85 PathProgramCache]: Analyzing trace with hash 169130540, now seen corresponding path program 1 times [2023-12-20 03:39:49,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:49,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182835668] [2023-12-20 03:39:49,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:49,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:49,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:49,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182835668] [2023-12-20 03:39:49,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182835668] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:49,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:49,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:49,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604267675] [2023-12-20 03:39:49,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:49,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:49,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:49,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:49,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:49,734 INFO L87 Difference]: Start difference. First operand 1550 states and 2176 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:51,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:51,619 INFO L93 Difference]: Finished difference Result 2936 states and 4173 transitions. [2023-12-20 03:39:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:39:51,619 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:39:51,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:51,621 INFO L225 Difference]: With dead ends: 2936 [2023-12-20 03:39:51,622 INFO L226 Difference]: Without dead ends: 2721 [2023-12-20 03:39:51,622 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 [2023-12-20 03:39:51,622 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 5095 mSDsluCounter, 4230 mSDsCounter, 0 mSdLazyCounter, 4045 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5095 SdHoareTripleChecker+Valid, 5361 SdHoareTripleChecker+Invalid, 4050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 4045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:51,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5095 Valid, 5361 Invalid, 4050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 4045 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:39:51,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2023-12-20 03:39:51,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1550. [2023-12-20 03:39:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.4299802761341223) internal successors, (2175), 1549 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2175 transitions. [2023-12-20 03:39:51,642 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2175 transitions. Word has length 110 [2023-12-20 03:39:51,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:51,642 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2175 transitions. [2023-12-20 03:39:51,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2175 transitions. [2023-12-20 03:39:51,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:51,645 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:51,645 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:51,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-20 03:39:51,645 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:51,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:51,645 INFO L85 PathProgramCache]: Analyzing trace with hash 656800929, now seen corresponding path program 1 times [2023-12-20 03:39:51,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:51,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281795765] [2023-12-20 03:39:51,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:51,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:51,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:51,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281795765] [2023-12-20 03:39:51,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281795765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:51,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:51,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:51,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39185607] [2023-12-20 03:39:51,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:51,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:51,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:51,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:51,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:51,900 INFO L87 Difference]: Start difference. First operand 1550 states and 2175 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:53,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:53,508 INFO L93 Difference]: Finished difference Result 2890 states and 4099 transitions. [2023-12-20 03:39:53,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:39:53,509 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:39:53,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:53,512 INFO L225 Difference]: With dead ends: 2890 [2023-12-20 03:39:53,512 INFO L226 Difference]: Without dead ends: 2705 [2023-12-20 03:39:53,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:39:53,513 INFO L413 NwaCegarLoop]: 937 mSDtfsCounter, 3959 mSDsluCounter, 3090 mSDsCounter, 0 mSdLazyCounter, 3322 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3959 SdHoareTripleChecker+Valid, 4027 SdHoareTripleChecker+Invalid, 3326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:53,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3959 Valid, 4027 Invalid, 3326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3322 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:39:53,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2023-12-20 03:39:53,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1550. [2023-12-20 03:39:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.4293228139381986) internal successors, (2174), 1549 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2174 transitions. [2023-12-20 03:39:53,534 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2174 transitions. Word has length 110 [2023-12-20 03:39:53,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:53,535 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2174 transitions. [2023-12-20 03:39:53,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2174 transitions. [2023-12-20 03:39:53,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:53,537 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:53,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:53,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-20 03:39:53,537 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:53,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:53,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1204907087, now seen corresponding path program 1 times [2023-12-20 03:39:53,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:53,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814881619] [2023-12-20 03:39:53,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:53,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:53,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:53,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814881619] [2023-12-20 03:39:53,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814881619] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:53,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:53,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:39:53,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223443799] [2023-12-20 03:39:53,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:53,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:39:53,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:53,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:39:53,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:39:53,971 INFO L87 Difference]: Start difference. First operand 1550 states and 2174 transitions. Second operand has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:57,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:57,107 INFO L93 Difference]: Finished difference Result 4363 states and 6272 transitions. [2023-12-20 03:39:57,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:39:57,108 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:39:57,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:57,112 INFO L225 Difference]: With dead ends: 4363 [2023-12-20 03:39:57,112 INFO L226 Difference]: Without dead ends: 4099 [2023-12-20 03:39:57,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:39:57,114 INFO L413 NwaCegarLoop]: 1228 mSDtfsCounter, 10663 mSDsluCounter, 5442 mSDsCounter, 0 mSdLazyCounter, 5558 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10663 SdHoareTripleChecker+Valid, 6670 SdHoareTripleChecker+Invalid, 5920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 5558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:57,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10663 Valid, 6670 Invalid, 5920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 5558 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-20 03:39:57,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4099 states. [2023-12-20 03:39:57,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4099 to 1558. [2023-12-20 03:39:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4270765206017004) internal successors, (2182), 1557 states have internal predecessors, (2182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2182 transitions. [2023-12-20 03:39:57,144 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2182 transitions. Word has length 110 [2023-12-20 03:39:57,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:57,144 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2182 transitions. [2023-12-20 03:39:57,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:57,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2182 transitions. [2023-12-20 03:39:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:57,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:57,147 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:57,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-20 03:39:57,147 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:57,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:57,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1039298331, now seen corresponding path program 1 times [2023-12-20 03:39:57,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:57,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804154839] [2023-12-20 03:39:57,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:57,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:57,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:57,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804154839] [2023-12-20 03:39:57,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804154839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:57,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:57,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:57,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849696295] [2023-12-20 03:39:57,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:57,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:57,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:57,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:57,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:57,439 INFO L87 Difference]: Start difference. First operand 1558 states and 2182 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:59,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:39:59,241 INFO L93 Difference]: Finished difference Result 2979 states and 4231 transitions. [2023-12-20 03:39:59,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:39:59,241 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:39:59,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:39:59,244 INFO L225 Difference]: With dead ends: 2979 [2023-12-20 03:39:59,244 INFO L226 Difference]: Without dead ends: 2721 [2023-12-20 03:39:59,245 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 [2023-12-20 03:39:59,245 INFO L413 NwaCegarLoop]: 1049 mSDtfsCounter, 5091 mSDsluCounter, 4099 mSDsCounter, 0 mSdLazyCounter, 3917 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5091 SdHoareTripleChecker+Valid, 5148 SdHoareTripleChecker+Invalid, 3922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:39:59,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5091 Valid, 5148 Invalid, 3922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3917 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:39:59,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2023-12-20 03:39:59,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1558. [2023-12-20 03:39:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4257684761281884) internal successors, (2180), 1557 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2180 transitions. [2023-12-20 03:39:59,263 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2180 transitions. Word has length 110 [2023-12-20 03:39:59,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:39:59,264 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2180 transitions. [2023-12-20 03:39:59,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:39:59,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2180 transitions. [2023-12-20 03:39:59,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:39:59,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:39:59,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:39:59,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-20 03:39:59,266 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:39:59,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:39:59,267 INFO L85 PathProgramCache]: Analyzing trace with hash -550740200, now seen corresponding path program 1 times [2023-12-20 03:39:59,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:39:59,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160522962] [2023-12-20 03:39:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:39:59,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:39:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:39:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:39:59,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:39:59,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160522962] [2023-12-20 03:39:59,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160522962] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:39:59,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:39:59,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:39:59,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904015896] [2023-12-20 03:39:59,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:39:59,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:39:59,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:39:59,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:39:59,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:39:59,486 INFO L87 Difference]: Start difference. First operand 1558 states and 2180 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:01,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:01,128 INFO L93 Difference]: Finished difference Result 2917 states and 4132 transitions. [2023-12-20 03:40:01,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:01,128 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:40:01,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:01,131 INFO L225 Difference]: With dead ends: 2917 [2023-12-20 03:40:01,131 INFO L226 Difference]: Without dead ends: 2713 [2023-12-20 03:40:01,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:01,132 INFO L413 NwaCegarLoop]: 972 mSDtfsCounter, 3885 mSDsluCounter, 3196 mSDsCounter, 0 mSdLazyCounter, 3445 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3885 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 3449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:01,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3885 Valid, 4168 Invalid, 3449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3445 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:40:01,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2023-12-20 03:40:01,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 1558. [2023-12-20 03:40:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4244604316546763) internal successors, (2178), 1557 states have internal predecessors, (2178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2178 transitions. [2023-12-20 03:40:01,157 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2178 transitions. Word has length 110 [2023-12-20 03:40:01,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:01,157 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2178 transitions. [2023-12-20 03:40:01,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2178 transitions. [2023-12-20 03:40:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:40:01,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:01,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:01,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-20 03:40:01,160 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:01,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:01,161 INFO L85 PathProgramCache]: Analyzing trace with hash 915039500, now seen corresponding path program 1 times [2023-12-20 03:40:01,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:01,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758848824] [2023-12-20 03:40:01,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:01,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:01,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:01,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:01,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758848824] [2023-12-20 03:40:01,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758848824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:01,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:01,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:01,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21391722] [2023-12-20 03:40:01,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:01,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:01,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:01,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:01,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:01,411 INFO L87 Difference]: Start difference. First operand 1558 states and 2178 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:03,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:03,017 INFO L93 Difference]: Finished difference Result 2927 states and 4141 transitions. [2023-12-20 03:40:03,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:03,017 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:40:03,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:03,020 INFO L225 Difference]: With dead ends: 2927 [2023-12-20 03:40:03,020 INFO L226 Difference]: Without dead ends: 2713 [2023-12-20 03:40:03,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:03,021 INFO L413 NwaCegarLoop]: 972 mSDtfsCounter, 3890 mSDsluCounter, 3190 mSDsCounter, 0 mSdLazyCounter, 3439 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3890 SdHoareTripleChecker+Valid, 4162 SdHoareTripleChecker+Invalid, 3443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:03,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3890 Valid, 4162 Invalid, 3443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3439 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:40:03,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2023-12-20 03:40:03,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 1558. [2023-12-20 03:40:03,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4231523871811642) internal successors, (2176), 1557 states have internal predecessors, (2176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2176 transitions. [2023-12-20 03:40:03,037 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2176 transitions. Word has length 110 [2023-12-20 03:40:03,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:03,037 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2176 transitions. [2023-12-20 03:40:03,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2176 transitions. [2023-12-20 03:40:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:40:03,040 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:03,040 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:03,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-20 03:40:03,040 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:03,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:03,041 INFO L85 PathProgramCache]: Analyzing trace with hash -382850538, now seen corresponding path program 1 times [2023-12-20 03:40:03,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:03,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863781300] [2023-12-20 03:40:03,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:03,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:03,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:03,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863781300] [2023-12-20 03:40:03,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863781300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:03,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:03,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:03,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075922342] [2023-12-20 03:40:03,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:03,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:03,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:03,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:03,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:03,338 INFO L87 Difference]: Start difference. First operand 1558 states and 2176 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:05,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:05,178 INFO L93 Difference]: Finished difference Result 3001 states and 4252 transitions. [2023-12-20 03:40:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:40:05,179 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:40:05,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:05,182 INFO L225 Difference]: With dead ends: 3001 [2023-12-20 03:40:05,182 INFO L226 Difference]: Without dead ends: 2721 [2023-12-20 03:40:05,182 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 [2023-12-20 03:40:05,183 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 4812 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 4133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4812 SdHoareTripleChecker+Valid, 5378 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:05,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4812 Valid, 5378 Invalid, 4137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4133 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:40:05,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2023-12-20 03:40:05,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1558. [2023-12-20 03:40:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4218443427076521) internal successors, (2174), 1557 states have internal predecessors, (2174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2174 transitions. [2023-12-20 03:40:05,199 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2174 transitions. Word has length 110 [2023-12-20 03:40:05,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:05,199 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2174 transitions. [2023-12-20 03:40:05,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2174 transitions. [2023-12-20 03:40:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:40:05,201 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:05,201 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:05,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-20 03:40:05,202 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:05,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:05,202 INFO L85 PathProgramCache]: Analyzing trace with hash -715976179, now seen corresponding path program 1 times [2023-12-20 03:40:05,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:05,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761115367] [2023-12-20 03:40:05,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:05,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:05,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:05,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761115367] [2023-12-20 03:40:05,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761115367] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:05,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:05,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:05,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813342761] [2023-12-20 03:40:05,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:05,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:05,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:05,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:05,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:05,458 INFO L87 Difference]: Start difference. First operand 1558 states and 2174 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:07,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:07,045 INFO L93 Difference]: Finished difference Result 2943 states and 4151 transitions. [2023-12-20 03:40:07,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:07,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:40:07,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:07,047 INFO L225 Difference]: With dead ends: 2943 [2023-12-20 03:40:07,048 INFO L226 Difference]: Without dead ends: 2713 [2023-12-20 03:40:07,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:07,048 INFO L413 NwaCegarLoop]: 974 mSDtfsCounter, 4155 mSDsluCounter, 3194 mSDsCounter, 0 mSdLazyCounter, 3403 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4155 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 3408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:07,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4155 Valid, 4168 Invalid, 3408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3403 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:40:07,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2023-12-20 03:40:07,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 1558. [2023-12-20 03:40:07,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.42053629823414) internal successors, (2172), 1557 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2172 transitions. [2023-12-20 03:40:07,065 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2172 transitions. Word has length 110 [2023-12-20 03:40:07,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:07,065 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2172 transitions. [2023-12-20 03:40:07,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 7 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2172 transitions. [2023-12-20 03:40:07,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:40:07,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:07,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:07,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-20 03:40:07,068 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:07,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:07,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1704380587, now seen corresponding path program 1 times [2023-12-20 03:40:07,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:07,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617277227] [2023-12-20 03:40:07,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:07,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:07,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:07,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617277227] [2023-12-20 03:40:07,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617277227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:07,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:07,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:40:07,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798242209] [2023-12-20 03:40:07,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:07,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:40:07,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:07,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:40:07,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:40:07,473 INFO L87 Difference]: Start difference. First operand 1558 states and 2172 transitions. Second operand has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:10,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:10,763 INFO L93 Difference]: Finished difference Result 4887 states and 6993 transitions. [2023-12-20 03:40:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:40:10,763 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2023-12-20 03:40:10,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:10,767 INFO L225 Difference]: With dead ends: 4887 [2023-12-20 03:40:10,768 INFO L226 Difference]: Without dead ends: 4467 [2023-12-20 03:40:10,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:40:10,769 INFO L413 NwaCegarLoop]: 1747 mSDtfsCounter, 9471 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 6114 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9471 SdHoareTripleChecker+Valid, 7324 SdHoareTripleChecker+Invalid, 6428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 6114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:10,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9471 Valid, 7324 Invalid, 6428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 6114 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-20 03:40:10,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4467 states. [2023-12-20 03:40:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4467 to 1566. [2023-12-20 03:40:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1537 states have (on average 1.4183474300585557) internal successors, (2180), 1565 states have internal predecessors, (2180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2180 transitions. [2023-12-20 03:40:10,789 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2180 transitions. Word has length 110 [2023-12-20 03:40:10,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:10,790 INFO L495 AbstractCegarLoop]: Abstraction has 1566 states and 2180 transitions. [2023-12-20 03:40:10,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.0) internal successors, (110), 10 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2180 transitions. [2023-12-20 03:40:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-20 03:40:10,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:10,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:10,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-20 03:40:10,792 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:10,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:10,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1240840734, now seen corresponding path program 1 times [2023-12-20 03:40:10,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:10,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604748567] [2023-12-20 03:40:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:11,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:11,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:11,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604748567] [2023-12-20 03:40:11,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604748567] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:11,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:11,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:11,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816342841] [2023-12-20 03:40:11,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:11,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:11,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:11,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:11,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:11,023 INFO L87 Difference]: Start difference. First operand 1566 states and 2180 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:12,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:12,674 INFO L93 Difference]: Finished difference Result 2944 states and 4164 transitions. [2023-12-20 03:40:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:12,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-20 03:40:12,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:12,677 INFO L225 Difference]: With dead ends: 2944 [2023-12-20 03:40:12,677 INFO L226 Difference]: Without dead ends: 2729 [2023-12-20 03:40:12,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:12,678 INFO L413 NwaCegarLoop]: 1095 mSDtfsCounter, 5873 mSDsluCounter, 3338 mSDsCounter, 0 mSdLazyCounter, 3631 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5873 SdHoareTripleChecker+Valid, 4433 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:12,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5873 Valid, 4433 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3631 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:40:12,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2023-12-20 03:40:12,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 1562. [2023-12-20 03:40:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1533 states have (on average 1.4187866927592956) internal successors, (2175), 1561 states have internal predecessors, (2175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2175 transitions. [2023-12-20 03:40:12,694 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2175 transitions. Word has length 111 [2023-12-20 03:40:12,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:12,694 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2175 transitions. [2023-12-20 03:40:12,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2175 transitions. [2023-12-20 03:40:12,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-20 03:40:12,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:12,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:12,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-20 03:40:12,696 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:12,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:12,696 INFO L85 PathProgramCache]: Analyzing trace with hash 78610759, now seen corresponding path program 1 times [2023-12-20 03:40:12,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:12,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389264103] [2023-12-20 03:40:12,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:12,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:12,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:12,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389264103] [2023-12-20 03:40:12,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389264103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:12,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:12,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:12,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420880056] [2023-12-20 03:40:12,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:12,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:12,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:12,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:12,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:12,939 INFO L87 Difference]: Start difference. First operand 1562 states and 2175 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:14,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:14,729 INFO L93 Difference]: Finished difference Result 2959 states and 4179 transitions. [2023-12-20 03:40:14,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:14,729 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-20 03:40:14,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:14,732 INFO L225 Difference]: With dead ends: 2959 [2023-12-20 03:40:14,732 INFO L226 Difference]: Without dead ends: 2729 [2023-12-20 03:40:14,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:14,733 INFO L413 NwaCegarLoop]: 1160 mSDtfsCounter, 3627 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 3813 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3627 SdHoareTripleChecker+Valid, 4724 SdHoareTripleChecker+Invalid, 3817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:14,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3627 Valid, 4724 Invalid, 3817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3813 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:14,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2023-12-20 03:40:14,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 1558. [2023-12-20 03:40:14,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.4192282537606278) internal successors, (2170), 1557 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:14,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2170 transitions. [2023-12-20 03:40:14,752 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2170 transitions. Word has length 111 [2023-12-20 03:40:14,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:14,753 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2170 transitions. [2023-12-20 03:40:14,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:14,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2170 transitions. [2023-12-20 03:40:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-20 03:40:14,754 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:14,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:14,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-20 03:40:14,754 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:14,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:14,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1272020528, now seen corresponding path program 1 times [2023-12-20 03:40:14,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:14,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577822824] [2023-12-20 03:40:14,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:14,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:14,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:14,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577822824] [2023-12-20 03:40:14,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577822824] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:14,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:14,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:14,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055721860] [2023-12-20 03:40:14,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:14,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:14,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:14,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:14,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:14,992 INFO L87 Difference]: Start difference. First operand 1558 states and 2170 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:16,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:16,753 INFO L93 Difference]: Finished difference Result 2993 states and 4227 transitions. [2023-12-20 03:40:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:16,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-20 03:40:16,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:16,756 INFO L225 Difference]: With dead ends: 2993 [2023-12-20 03:40:16,756 INFO L226 Difference]: Without dead ends: 2729 [2023-12-20 03:40:16,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:16,757 INFO L413 NwaCegarLoop]: 1205 mSDtfsCounter, 5275 mSDsluCounter, 3713 mSDsCounter, 0 mSdLazyCounter, 3946 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5275 SdHoareTripleChecker+Valid, 4918 SdHoareTripleChecker+Invalid, 3950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:16,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5275 Valid, 4918 Invalid, 3950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3946 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:16,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2729 states. [2023-12-20 03:40:16,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2729 to 1550. [2023-12-20 03:40:16,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.4201183431952662) internal successors, (2160), 1549 states have internal predecessors, (2160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:16,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2160 transitions. [2023-12-20 03:40:16,774 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2160 transitions. Word has length 111 [2023-12-20 03:40:16,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:16,774 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2160 transitions. [2023-12-20 03:40:16,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2160 transitions. [2023-12-20 03:40:16,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-20 03:40:16,776 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:16,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:16,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-20 03:40:16,776 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:16,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:16,776 INFO L85 PathProgramCache]: Analyzing trace with hash 959199080, now seen corresponding path program 1 times [2023-12-20 03:40:16,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:16,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010395895] [2023-12-20 03:40:16,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:16,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:17,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:17,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010395895] [2023-12-20 03:40:17,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010395895] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:17,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:17,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:17,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087983622] [2023-12-20 03:40:17,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:17,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:17,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:17,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:17,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:17,003 INFO L87 Difference]: Start difference. First operand 1550 states and 2160 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:18,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:18,817 INFO L93 Difference]: Finished difference Result 3173 states and 4478 transitions. [2023-12-20 03:40:18,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:18,818 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2023-12-20 03:40:18,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:18,820 INFO L225 Difference]: With dead ends: 3173 [2023-12-20 03:40:18,820 INFO L226 Difference]: Without dead ends: 2753 [2023-12-20 03:40:18,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:18,821 INFO L413 NwaCegarLoop]: 1326 mSDtfsCounter, 3545 mSDsluCounter, 3846 mSDsCounter, 0 mSdLazyCounter, 4086 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3545 SdHoareTripleChecker+Valid, 5172 SdHoareTripleChecker+Invalid, 4090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:18,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3545 Valid, 5172 Invalid, 4090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4086 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:18,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2023-12-20 03:40:18,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 1542. [2023-12-20 03:40:18,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4210178453403834) internal successors, (2150), 1541 states have internal predecessors, (2150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2150 transitions. [2023-12-20 03:40:18,836 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2150 transitions. Word has length 111 [2023-12-20 03:40:18,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:18,836 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2150 transitions. [2023-12-20 03:40:18,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 7 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2150 transitions. [2023-12-20 03:40:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:18,838 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:18,838 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:18,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-20 03:40:18,838 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:18,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:18,838 INFO L85 PathProgramCache]: Analyzing trace with hash 294585012, now seen corresponding path program 1 times [2023-12-20 03:40:18,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:18,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308687704] [2023-12-20 03:40:18,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:18,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:19,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:19,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308687704] [2023-12-20 03:40:19,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308687704] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:19,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:19,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:19,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380218452] [2023-12-20 03:40:19,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:19,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:19,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:19,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:19,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:19,088 INFO L87 Difference]: Start difference. First operand 1542 states and 2150 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:20,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:20,825 INFO L93 Difference]: Finished difference Result 2827 states and 3981 transitions. [2023-12-20 03:40:20,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:20,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:20,828 INFO L225 Difference]: With dead ends: 2827 [2023-12-20 03:40:20,828 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:20,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:20,829 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 5288 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 3903 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5288 SdHoareTripleChecker+Valid, 4658 SdHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:20,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5288 Valid, 4658 Invalid, 3907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3903 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:20,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:20,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.420356906807667) internal successors, (2149), 1541 states have internal predecessors, (2149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2149 transitions. [2023-12-20 03:40:20,847 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2149 transitions. Word has length 112 [2023-12-20 03:40:20,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:20,848 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2149 transitions. [2023-12-20 03:40:20,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2149 transitions. [2023-12-20 03:40:20,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:20,849 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:20,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:20,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-20 03:40:20,849 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:20,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:20,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1558151312, now seen corresponding path program 1 times [2023-12-20 03:40:20,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:20,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081956050] [2023-12-20 03:40:20,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:20,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:21,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:21,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081956050] [2023-12-20 03:40:21,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081956050] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:21,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:21,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:21,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431722125] [2023-12-20 03:40:21,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:21,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:21,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:21,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:21,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:21,074 INFO L87 Difference]: Start difference. First operand 1542 states and 2149 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:22,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:22,839 INFO L93 Difference]: Finished difference Result 2823 states and 3976 transitions. [2023-12-20 03:40:22,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:22,839 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:22,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:22,842 INFO L225 Difference]: With dead ends: 2823 [2023-12-20 03:40:22,842 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:22,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:40:22,843 INFO L413 NwaCegarLoop]: 1112 mSDtfsCounter, 5214 mSDsluCounter, 3569 mSDsCounter, 0 mSdLazyCounter, 3923 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5214 SdHoareTripleChecker+Valid, 4681 SdHoareTripleChecker+Invalid, 3926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:22,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5214 Valid, 4681 Invalid, 3926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3923 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:22,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:22,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4196959682749504) internal successors, (2148), 1541 states have internal predecessors, (2148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2148 transitions. [2023-12-20 03:40:22,863 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2148 transitions. Word has length 112 [2023-12-20 03:40:22,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:22,863 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2148 transitions. [2023-12-20 03:40:22,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:22,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2148 transitions. [2023-12-20 03:40:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:22,865 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:22,865 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:22,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-20 03:40:22,865 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:22,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:22,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1896693420, now seen corresponding path program 1 times [2023-12-20 03:40:22,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:22,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427359814] [2023-12-20 03:40:22,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:22,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:23,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:23,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427359814] [2023-12-20 03:40:23,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427359814] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:23,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:23,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:23,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962833886] [2023-12-20 03:40:23,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:23,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:23,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:23,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:23,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:23,068 INFO L87 Difference]: Start difference. First operand 1542 states and 2148 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:24,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:24,786 INFO L93 Difference]: Finished difference Result 2823 states and 3975 transitions. [2023-12-20 03:40:24,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:24,787 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:24,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:24,790 INFO L225 Difference]: With dead ends: 2823 [2023-12-20 03:40:24,790 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:24,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:24,791 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 5278 mSDsluCounter, 3535 mSDsCounter, 0 mSdLazyCounter, 3894 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5278 SdHoareTripleChecker+Valid, 4664 SdHoareTripleChecker+Invalid, 3898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:24,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5278 Valid, 4664 Invalid, 3898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3894 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:24,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:24,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.419035029742234) internal successors, (2147), 1541 states have internal predecessors, (2147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2147 transitions. [2023-12-20 03:40:24,806 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2147 transitions. Word has length 112 [2023-12-20 03:40:24,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:24,806 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2147 transitions. [2023-12-20 03:40:24,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2147 transitions. [2023-12-20 03:40:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:24,807 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:24,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:24,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-20 03:40:24,808 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:24,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:24,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1908379433, now seen corresponding path program 1 times [2023-12-20 03:40:24,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:24,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271300912] [2023-12-20 03:40:24,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:24,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:25,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:25,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271300912] [2023-12-20 03:40:25,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271300912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:25,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:25,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:25,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052674536] [2023-12-20 03:40:25,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:25,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:25,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:25,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:25,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:25,040 INFO L87 Difference]: Start difference. First operand 1542 states and 2147 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:26,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:26,827 INFO L93 Difference]: Finished difference Result 2821 states and 3971 transitions. [2023-12-20 03:40:26,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:26,828 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:26,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:26,830 INFO L225 Difference]: With dead ends: 2821 [2023-12-20 03:40:26,830 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:26,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:40:26,831 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 5183 mSDsluCounter, 3605 mSDsCounter, 0 mSdLazyCounter, 3912 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5183 SdHoareTripleChecker+Valid, 4729 SdHoareTripleChecker+Invalid, 3915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:26,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5183 Valid, 4729 Invalid, 3915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3912 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:26,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4183740912095175) internal successors, (2146), 1541 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2146 transitions. [2023-12-20 03:40:26,845 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2146 transitions. Word has length 112 [2023-12-20 03:40:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:26,845 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2146 transitions. [2023-12-20 03:40:26,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2146 transitions. [2023-12-20 03:40:26,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:26,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:26,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:26,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-20 03:40:26,847 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:26,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:26,847 INFO L85 PathProgramCache]: Analyzing trace with hash -729427139, now seen corresponding path program 1 times [2023-12-20 03:40:26,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:26,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357999396] [2023-12-20 03:40:26,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:26,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:27,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:27,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357999396] [2023-12-20 03:40:27,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357999396] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:27,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:27,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:27,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836237224] [2023-12-20 03:40:27,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:27,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:27,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:27,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:27,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:27,021 INFO L87 Difference]: Start difference. First operand 1542 states and 2146 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:28,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:28,785 INFO L93 Difference]: Finished difference Result 2821 states and 3970 transitions. [2023-12-20 03:40:28,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:28,785 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:28,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:28,787 INFO L225 Difference]: With dead ends: 2821 [2023-12-20 03:40:28,787 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:28,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:28,788 INFO L413 NwaCegarLoop]: 1180 mSDtfsCounter, 3461 mSDsluCounter, 3686 mSDsCounter, 0 mSdLazyCounter, 4073 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3461 SdHoareTripleChecker+Valid, 4866 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:28,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3461 Valid, 4866 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4073 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:28,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:28,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.417713152676801) internal successors, (2145), 1541 states have internal predecessors, (2145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2145 transitions. [2023-12-20 03:40:28,804 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2145 transitions. Word has length 112 [2023-12-20 03:40:28,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:28,804 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2145 transitions. [2023-12-20 03:40:28,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2145 transitions. [2023-12-20 03:40:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:28,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:28,806 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:28,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-20 03:40:28,806 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:28,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash 224905291, now seen corresponding path program 1 times [2023-12-20 03:40:28,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:28,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876964209] [2023-12-20 03:40:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:28,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:29,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:29,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876964209] [2023-12-20 03:40:29,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876964209] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:29,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:29,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:29,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835565189] [2023-12-20 03:40:29,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:29,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:29,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:29,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:29,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:29,023 INFO L87 Difference]: Start difference. First operand 1542 states and 2145 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:30,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:30,790 INFO L93 Difference]: Finished difference Result 2823 states and 3970 transitions. [2023-12-20 03:40:30,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:30,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:30,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:30,792 INFO L225 Difference]: With dead ends: 2823 [2023-12-20 03:40:30,792 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:30,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:30,793 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 5269 mSDsluCounter, 3535 mSDsCounter, 0 mSdLazyCounter, 3872 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5269 SdHoareTripleChecker+Valid, 4664 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:30,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5269 Valid, 4664 Invalid, 3876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3872 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:30,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:30,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4170522141440847) internal successors, (2144), 1541 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:30,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2144 transitions. [2023-12-20 03:40:30,807 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2144 transitions. Word has length 112 [2023-12-20 03:40:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:30,807 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2144 transitions. [2023-12-20 03:40:30,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2144 transitions. [2023-12-20 03:40:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:30,809 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:30,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:30,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-20 03:40:30,810 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:30,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:30,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1201228785, now seen corresponding path program 1 times [2023-12-20 03:40:30,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:30,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25704774] [2023-12-20 03:40:30,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:30,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:31,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:31,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25704774] [2023-12-20 03:40:31,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25704774] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:31,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:31,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:31,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286731610] [2023-12-20 03:40:31,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:31,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:31,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:31,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:31,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:31,049 INFO L87 Difference]: Start difference. First operand 1542 states and 2144 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:32,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:32,802 INFO L93 Difference]: Finished difference Result 2821 states and 3966 transitions. [2023-12-20 03:40:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:32,803 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:32,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:32,805 INFO L225 Difference]: With dead ends: 2821 [2023-12-20 03:40:32,805 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:32,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:40:32,806 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 5393 mSDsluCounter, 3418 mSDsCounter, 0 mSdLazyCounter, 3701 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5393 SdHoareTripleChecker+Valid, 4479 SdHoareTripleChecker+Invalid, 3705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:32,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5393 Valid, 4479 Invalid, 3705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3701 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:32,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:32,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4163912756113681) internal successors, (2143), 1541 states have internal predecessors, (2143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2143 transitions. [2023-12-20 03:40:32,821 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2143 transitions. Word has length 112 [2023-12-20 03:40:32,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:32,821 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2143 transitions. [2023-12-20 03:40:32,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2143 transitions. [2023-12-20 03:40:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:32,822 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:32,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:32,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-20 03:40:32,823 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:32,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:32,823 INFO L85 PathProgramCache]: Analyzing trace with hash 497794837, now seen corresponding path program 1 times [2023-12-20 03:40:32,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:32,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613991241] [2023-12-20 03:40:32,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:32,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:33,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:33,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613991241] [2023-12-20 03:40:33,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613991241] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:33,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:33,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:33,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368747169] [2023-12-20 03:40:33,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:33,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:33,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:33,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:33,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:33,072 INFO L87 Difference]: Start difference. First operand 1542 states and 2143 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:34,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:34,844 INFO L93 Difference]: Finished difference Result 2827 states and 3971 transitions. [2023-12-20 03:40:34,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:34,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:34,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:34,847 INFO L225 Difference]: With dead ends: 2827 [2023-12-20 03:40:34,847 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:34,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:40:34,848 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 5396 mSDsluCounter, 3413 mSDsCounter, 0 mSdLazyCounter, 3694 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5396 SdHoareTripleChecker+Valid, 4474 SdHoareTripleChecker+Invalid, 3698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:34,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5396 Valid, 4474 Invalid, 3698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3694 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:34,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:34,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4157303370786516) internal successors, (2142), 1541 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:34,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2142 transitions. [2023-12-20 03:40:34,862 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2142 transitions. Word has length 112 [2023-12-20 03:40:34,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:34,862 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2142 transitions. [2023-12-20 03:40:34,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:34,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2142 transitions. [2023-12-20 03:40:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:34,863 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:34,863 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:34,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-20 03:40:34,863 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:34,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:34,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1476130129, now seen corresponding path program 1 times [2023-12-20 03:40:34,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:34,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805972240] [2023-12-20 03:40:34,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:35,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:35,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805972240] [2023-12-20 03:40:35,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805972240] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:35,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:35,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:35,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911751744] [2023-12-20 03:40:35,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:35,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:35,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:35,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:35,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:35,062 INFO L87 Difference]: Start difference. First operand 1542 states and 2142 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:36,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:36,870 INFO L93 Difference]: Finished difference Result 2897 states and 4073 transitions. [2023-12-20 03:40:36,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:36,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:36,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:36,873 INFO L225 Difference]: With dead ends: 2897 [2023-12-20 03:40:36,874 INFO L226 Difference]: Without dead ends: 2697 [2023-12-20 03:40:36,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:36,875 INFO L413 NwaCegarLoop]: 1218 mSDtfsCounter, 3419 mSDsluCounter, 3795 mSDsCounter, 0 mSdLazyCounter, 4052 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3419 SdHoareTripleChecker+Valid, 5013 SdHoareTripleChecker+Invalid, 4056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:36,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3419 Valid, 5013 Invalid, 4056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4052 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:36,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2023-12-20 03:40:36,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1542. [2023-12-20 03:40:36,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4150693985459353) internal successors, (2141), 1541 states have internal predecessors, (2141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2141 transitions. [2023-12-20 03:40:36,890 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2141 transitions. Word has length 112 [2023-12-20 03:40:36,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:36,890 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2141 transitions. [2023-12-20 03:40:36,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2141 transitions. [2023-12-20 03:40:36,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:36,891 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:36,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:36,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-20 03:40:36,892 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:36,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:36,892 INFO L85 PathProgramCache]: Analyzing trace with hash 865897012, now seen corresponding path program 1 times [2023-12-20 03:40:36,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:36,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885318809] [2023-12-20 03:40:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:36,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:37,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:37,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885318809] [2023-12-20 03:40:37,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885318809] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:37,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:37,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:37,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633200711] [2023-12-20 03:40:37,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:37,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:37,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:37,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:37,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:37,080 INFO L87 Difference]: Start difference. First operand 1542 states and 2141 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:38,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:38,803 INFO L93 Difference]: Finished difference Result 2827 states and 3969 transitions. [2023-12-20 03:40:38,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:38,803 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:38,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:38,805 INFO L225 Difference]: With dead ends: 2827 [2023-12-20 03:40:38,805 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:38,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:38,806 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 3510 mSDsluCounter, 3603 mSDsCounter, 0 mSdLazyCounter, 3913 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3510 SdHoareTripleChecker+Valid, 4758 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:38,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3510 Valid, 4758 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3913 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:38,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:38,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4144084600132187) internal successors, (2140), 1541 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2140 transitions. [2023-12-20 03:40:38,818 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2140 transitions. Word has length 112 [2023-12-20 03:40:38,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:38,819 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2140 transitions. [2023-12-20 03:40:38,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2140 transitions. [2023-12-20 03:40:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:38,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:38,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:38,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-20 03:40:38,820 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:38,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:38,820 INFO L85 PathProgramCache]: Analyzing trace with hash -986214715, now seen corresponding path program 1 times [2023-12-20 03:40:38,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:38,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937295046] [2023-12-20 03:40:38,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:38,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:39,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:39,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:39,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937295046] [2023-12-20 03:40:39,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937295046] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:39,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:39,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:39,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997629346] [2023-12-20 03:40:39,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:39,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:39,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:39,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:39,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:39,019 INFO L87 Difference]: Start difference. First operand 1542 states and 2140 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:40,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:40,778 INFO L93 Difference]: Finished difference Result 2823 states and 3963 transitions. [2023-12-20 03:40:40,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:40,778 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:40,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:40,780 INFO L225 Difference]: With dead ends: 2823 [2023-12-20 03:40:40,780 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:40,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:40:40,781 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 5101 mSDsluCounter, 3646 mSDsCounter, 0 mSdLazyCounter, 3932 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5101 SdHoareTripleChecker+Valid, 4784 SdHoareTripleChecker+Invalid, 3935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:40,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5101 Valid, 4784 Invalid, 3935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3932 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:40,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:40,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4137475214805024) internal successors, (2139), 1541 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2139 transitions. [2023-12-20 03:40:40,794 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2139 transitions. Word has length 112 [2023-12-20 03:40:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:40,795 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2139 transitions. [2023-12-20 03:40:40,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:40,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2139 transitions. [2023-12-20 03:40:40,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:40,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:40,796 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:40,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-20 03:40:40,796 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:40,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:40,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1285263200, now seen corresponding path program 1 times [2023-12-20 03:40:40,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:40,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096534147] [2023-12-20 03:40:40,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:40,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:40,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:40,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096534147] [2023-12-20 03:40:40,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096534147] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:40,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:40,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:40,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354090085] [2023-12-20 03:40:40,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:40,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:40,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:40,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:40,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:40,994 INFO L87 Difference]: Start difference. First operand 1542 states and 2139 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:42,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:42,772 INFO L93 Difference]: Finished difference Result 2823 states and 3962 transitions. [2023-12-20 03:40:42,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:42,772 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:42,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:42,775 INFO L225 Difference]: With dead ends: 2823 [2023-12-20 03:40:42,775 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:42,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:42,776 INFO L413 NwaCegarLoop]: 1202 mSDtfsCounter, 4978 mSDsluCounter, 3750 mSDsCounter, 0 mSdLazyCounter, 4093 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4978 SdHoareTripleChecker+Valid, 4952 SdHoareTripleChecker+Invalid, 4096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:42,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4978 Valid, 4952 Invalid, 4096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4093 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:42,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:42,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4130865829477859) internal successors, (2138), 1541 states have internal predecessors, (2138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2138 transitions. [2023-12-20 03:40:42,790 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2138 transitions. Word has length 112 [2023-12-20 03:40:42,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:42,790 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2138 transitions. [2023-12-20 03:40:42,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2138 transitions. [2023-12-20 03:40:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:42,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:42,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:42,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-20 03:40:42,792 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:42,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:42,792 INFO L85 PathProgramCache]: Analyzing trace with hash 905607109, now seen corresponding path program 1 times [2023-12-20 03:40:42,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:42,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854791740] [2023-12-20 03:40:42,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:42,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:42,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:42,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854791740] [2023-12-20 03:40:42,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854791740] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:42,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:42,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:42,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981061078] [2023-12-20 03:40:42,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:42,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:42,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:42,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:42,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:42,999 INFO L87 Difference]: Start difference. First operand 1542 states and 2138 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:44,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:44,682 INFO L93 Difference]: Finished difference Result 2827 states and 3964 transitions. [2023-12-20 03:40:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:44,683 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:44,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:44,685 INFO L225 Difference]: With dead ends: 2827 [2023-12-20 03:40:44,686 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:44,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:44,687 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 5167 mSDsluCounter, 3603 mSDsCounter, 0 mSdLazyCounter, 3891 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5167 SdHoareTripleChecker+Valid, 4758 SdHoareTripleChecker+Invalid, 3895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:44,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5167 Valid, 4758 Invalid, 3895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3891 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:40:44,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:44,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4124256444150693) internal successors, (2137), 1541 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2137 transitions. [2023-12-20 03:40:44,703 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2137 transitions. Word has length 112 [2023-12-20 03:40:44,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:44,703 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2137 transitions. [2023-12-20 03:40:44,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2137 transitions. [2023-12-20 03:40:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:44,704 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:44,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:44,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-20 03:40:44,704 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:44,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:44,705 INFO L85 PathProgramCache]: Analyzing trace with hash -946721092, now seen corresponding path program 1 times [2023-12-20 03:40:44,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:44,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786298910] [2023-12-20 03:40:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:44,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:44,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:44,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786298910] [2023-12-20 03:40:44,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786298910] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:44,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:44,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:44,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902488284] [2023-12-20 03:40:44,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:44,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:44,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:44,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:44,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:44,901 INFO L87 Difference]: Start difference. First operand 1542 states and 2137 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:46,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:46,582 INFO L93 Difference]: Finished difference Result 2823 states and 3958 transitions. [2023-12-20 03:40:46,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:46,582 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:46,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:46,584 INFO L225 Difference]: With dead ends: 2823 [2023-12-20 03:40:46,585 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:46,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:40:46,585 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 5287 mSDsluCounter, 3495 mSDsCounter, 0 mSdLazyCounter, 3721 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5287 SdHoareTripleChecker+Valid, 4582 SdHoareTripleChecker+Invalid, 3725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:46,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5287 Valid, 4582 Invalid, 3725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3721 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:40:46,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:46,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.411764705882353) internal successors, (2136), 1541 states have internal predecessors, (2136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2136 transitions. [2023-12-20 03:40:46,612 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2136 transitions. Word has length 112 [2023-12-20 03:40:46,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:46,612 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2136 transitions. [2023-12-20 03:40:46,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:46,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2136 transitions. [2023-12-20 03:40:46,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:46,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:46,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:46,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-20 03:40:46,613 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:46,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:46,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1650636604, now seen corresponding path program 1 times [2023-12-20 03:40:46,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:46,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800446032] [2023-12-20 03:40:46,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:46,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:46,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:46,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800446032] [2023-12-20 03:40:46,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800446032] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:46,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:46,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:46,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385214955] [2023-12-20 03:40:46,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:46,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:46,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:46,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:46,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:46,840 INFO L87 Difference]: Start difference. First operand 1542 states and 2136 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:48,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:48,535 INFO L93 Difference]: Finished difference Result 2831 states and 3968 transitions. [2023-12-20 03:40:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:48,535 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:48,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:48,538 INFO L225 Difference]: With dead ends: 2831 [2023-12-20 03:40:48,538 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:48,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:40:48,539 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 5284 mSDsluCounter, 3496 mSDsCounter, 0 mSdLazyCounter, 3716 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5284 SdHoareTripleChecker+Valid, 4583 SdHoareTripleChecker+Invalid, 3720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:48,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5284 Valid, 4583 Invalid, 3720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3716 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:40:48,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:48,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.41044282881692) internal successors, (2134), 1541 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2134 transitions. [2023-12-20 03:40:48,556 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2134 transitions. Word has length 112 [2023-12-20 03:40:48,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:48,557 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2134 transitions. [2023-12-20 03:40:48,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2134 transitions. [2023-12-20 03:40:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:48,558 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:48,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:48,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-20 03:40:48,558 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:48,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:48,559 INFO L85 PathProgramCache]: Analyzing trace with hash -793106707, now seen corresponding path program 1 times [2023-12-20 03:40:48,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:48,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603321936] [2023-12-20 03:40:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:48,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:48,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:48,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603321936] [2023-12-20 03:40:48,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603321936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:48,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:48,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:48,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179125152] [2023-12-20 03:40:48,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:48,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:48,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:48,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:48,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:48,736 INFO L87 Difference]: Start difference. First operand 1542 states and 2134 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:50,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:50,453 INFO L93 Difference]: Finished difference Result 2833 states and 3967 transitions. [2023-12-20 03:40:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:50,453 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:50,456 INFO L225 Difference]: With dead ends: 2833 [2023-12-20 03:40:50,456 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:50,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:50,457 INFO L413 NwaCegarLoop]: 1155 mSDtfsCounter, 3497 mSDsluCounter, 3607 mSDsCounter, 0 mSdLazyCounter, 3872 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3497 SdHoareTripleChecker+Valid, 4762 SdHoareTripleChecker+Invalid, 3876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:50,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3497 Valid, 4762 Invalid, 3876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3872 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:50,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:50,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.409120951751487) internal successors, (2132), 1541 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2132 transitions. [2023-12-20 03:40:50,470 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2132 transitions. Word has length 112 [2023-12-20 03:40:50,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:50,470 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2132 transitions. [2023-12-20 03:40:50,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:50,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2132 transitions. [2023-12-20 03:40:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:50,471 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:50,471 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:50,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-20 03:40:50,471 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:50,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:50,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1161208882, now seen corresponding path program 1 times [2023-12-20 03:40:50,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:50,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587969996] [2023-12-20 03:40:50,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:50,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:50,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:50,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587969996] [2023-12-20 03:40:50,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587969996] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:50,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:50,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:50,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281242522] [2023-12-20 03:40:50,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:50,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:50,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:50,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:50,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:50,634 INFO L87 Difference]: Start difference. First operand 1542 states and 2132 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:52,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:52,297 INFO L93 Difference]: Finished difference Result 2833 states and 3963 transitions. [2023-12-20 03:40:52,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:52,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:52,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:52,300 INFO L225 Difference]: With dead ends: 2833 [2023-12-20 03:40:52,300 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:52,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:52,301 INFO L413 NwaCegarLoop]: 1087 mSDtfsCounter, 5280 mSDsluCounter, 3493 mSDsCounter, 0 mSdLazyCounter, 3701 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5280 SdHoareTripleChecker+Valid, 4580 SdHoareTripleChecker+Invalid, 3705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:52,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5280 Valid, 4580 Invalid, 3705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3701 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:40:52,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:52,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4077990746860543) internal successors, (2130), 1541 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2130 transitions. [2023-12-20 03:40:52,317 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2130 transitions. Word has length 112 [2023-12-20 03:40:52,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:52,318 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2130 transitions. [2023-12-20 03:40:52,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2130 transitions. [2023-12-20 03:40:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:52,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:52,319 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:52,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-20 03:40:52,319 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:52,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:52,320 INFO L85 PathProgramCache]: Analyzing trace with hash -752363654, now seen corresponding path program 1 times [2023-12-20 03:40:52,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:52,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456754122] [2023-12-20 03:40:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:52,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:52,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:52,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456754122] [2023-12-20 03:40:52,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456754122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:52,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:52,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:52,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841417978] [2023-12-20 03:40:52,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:52,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:52,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:52,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:52,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:52,549 INFO L87 Difference]: Start difference. First operand 1542 states and 2130 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:54,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:54,255 INFO L93 Difference]: Finished difference Result 2907 states and 4070 transitions. [2023-12-20 03:40:54,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:54,255 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:54,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:54,259 INFO L225 Difference]: With dead ends: 2907 [2023-12-20 03:40:54,259 INFO L226 Difference]: Without dead ends: 2697 [2023-12-20 03:40:54,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:54,260 INFO L413 NwaCegarLoop]: 1218 mSDtfsCounter, 5032 mSDsluCounter, 3803 mSDsCounter, 0 mSdLazyCounter, 3994 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5032 SdHoareTripleChecker+Valid, 5021 SdHoareTripleChecker+Invalid, 3998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:54,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5032 Valid, 5021 Invalid, 3998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3994 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:40:54,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2023-12-20 03:40:54,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 1542. [2023-12-20 03:40:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4064771976206212) internal successors, (2128), 1541 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2128 transitions. [2023-12-20 03:40:54,277 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2128 transitions. Word has length 112 [2023-12-20 03:40:54,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:54,278 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2128 transitions. [2023-12-20 03:40:54,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2128 transitions. [2023-12-20 03:40:54,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:54,279 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:54,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:54,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-20 03:40:54,280 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:54,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:54,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1290310657, now seen corresponding path program 1 times [2023-12-20 03:40:54,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:54,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922495674] [2023-12-20 03:40:54,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:54,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:54,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:54,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922495674] [2023-12-20 03:40:54,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922495674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:54,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:54,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:54,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542132061] [2023-12-20 03:40:54,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:54,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:54,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:54,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:54,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:54,463 INFO L87 Difference]: Start difference. First operand 1542 states and 2128 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:56,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:56,225 INFO L93 Difference]: Finished difference Result 2827 states and 3954 transitions. [2023-12-20 03:40:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:56,228 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:56,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:56,231 INFO L225 Difference]: With dead ends: 2827 [2023-12-20 03:40:56,231 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:56,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:40:56,232 INFO L413 NwaCegarLoop]: 1162 mSDtfsCounter, 4992 mSDsluCounter, 3719 mSDsCounter, 0 mSdLazyCounter, 3954 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4992 SdHoareTripleChecker+Valid, 4881 SdHoareTripleChecker+Invalid, 3957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:56,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4992 Valid, 4881 Invalid, 3957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3954 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:56,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:56,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:56,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4051553205551883) internal successors, (2126), 1541 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:56,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2126 transitions. [2023-12-20 03:40:56,246 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2126 transitions. Word has length 112 [2023-12-20 03:40:56,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:56,246 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2126 transitions. [2023-12-20 03:40:56,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:56,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2126 transitions. [2023-12-20 03:40:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:56,247 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:56,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:56,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-20 03:40:56,248 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:56,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:56,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1351588119, now seen corresponding path program 1 times [2023-12-20 03:40:56,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:56,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447059423] [2023-12-20 03:40:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:56,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:56,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:56,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447059423] [2023-12-20 03:40:56,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447059423] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:56,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:56,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:56,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548386976] [2023-12-20 03:40:56,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:56,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:56,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:56,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:56,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:56,422 INFO L87 Difference]: Start difference. First operand 1542 states and 2126 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:40:58,149 INFO L93 Difference]: Finished difference Result 2831 states and 3956 transitions. [2023-12-20 03:40:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:40:58,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:40:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:40:58,152 INFO L225 Difference]: With dead ends: 2831 [2023-12-20 03:40:58,152 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:40:58,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:40:58,153 INFO L413 NwaCegarLoop]: 1179 mSDtfsCounter, 3443 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 3919 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 4864 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:40:58,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 4864 Invalid, 3923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3919 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:40:58,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:40:58,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:40:58,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4038334434897555) internal successors, (2124), 1541 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:58,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2124 transitions. [2023-12-20 03:40:58,168 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2124 transitions. Word has length 112 [2023-12-20 03:40:58,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:40:58,168 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2124 transitions. [2023-12-20 03:40:58,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:40:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2124 transitions. [2023-12-20 03:40:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:40:58,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:40:58,169 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:40:58,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-20 03:40:58,169 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:40:58,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:40:58,170 INFO L85 PathProgramCache]: Analyzing trace with hash -753396610, now seen corresponding path program 1 times [2023-12-20 03:40:58,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:40:58,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701105605] [2023-12-20 03:40:58,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:40:58,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:40:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:40:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:40:58,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:40:58,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701105605] [2023-12-20 03:40:58,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701105605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:40:58,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:40:58,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:40:58,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223311188] [2023-12-20 03:40:58,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:40:58,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:40:58,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:40:58,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:40:58,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:40:58,356 INFO L87 Difference]: Start difference. First operand 1542 states and 2124 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:00,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:00,040 INFO L93 Difference]: Finished difference Result 2833 states and 3953 transitions. [2023-12-20 03:41:00,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:00,041 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:41:00,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:00,043 INFO L225 Difference]: With dead ends: 2833 [2023-12-20 03:41:00,043 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:41:00,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:41:00,044 INFO L413 NwaCegarLoop]: 1179 mSDtfsCounter, 3445 mSDsluCounter, 3679 mSDsCounter, 0 mSdLazyCounter, 3906 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 4858 SdHoareTripleChecker+Invalid, 3910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:00,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3445 Valid, 4858 Invalid, 3910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3906 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:00,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:41:00,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:41:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4025115664243226) internal successors, (2122), 1541 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:00,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2122 transitions. [2023-12-20 03:41:00,060 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2122 transitions. Word has length 112 [2023-12-20 03:41:00,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:00,060 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2122 transitions. [2023-12-20 03:41:00,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:00,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2122 transitions. [2023-12-20 03:41:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:41:00,062 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:00,062 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:00,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-20 03:41:00,062 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:00,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:00,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1690130227, now seen corresponding path program 1 times [2023-12-20 03:41:00,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:00,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839611596] [2023-12-20 03:41:00,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:00,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:00,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:00,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839611596] [2023-12-20 03:41:00,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839611596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:00,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:00,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:00,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67286847] [2023-12-20 03:41:00,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:00,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:00,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:00,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:00,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:00,266 INFO L87 Difference]: Start difference. First operand 1542 states and 2122 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:02,030 INFO L93 Difference]: Finished difference Result 2831 states and 3948 transitions. [2023-12-20 03:41:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:02,031 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:41:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:02,033 INFO L225 Difference]: With dead ends: 2831 [2023-12-20 03:41:02,033 INFO L226 Difference]: Without dead ends: 2649 [2023-12-20 03:41:02,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:41:02,034 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 5181 mSDsluCounter, 3568 mSDsCounter, 0 mSdLazyCounter, 3737 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5181 SdHoareTripleChecker+Valid, 4679 SdHoareTripleChecker+Invalid, 3741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:02,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5181 Valid, 4679 Invalid, 3741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3737 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:41:02,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2023-12-20 03:41:02,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 1542. [2023-12-20 03:41:02,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.4011896893588895) internal successors, (2120), 1541 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:02,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2120 transitions. [2023-12-20 03:41:02,048 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2120 transitions. Word has length 112 [2023-12-20 03:41:02,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:02,048 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2120 transitions. [2023-12-20 03:41:02,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:02,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2120 transitions. [2023-12-20 03:41:02,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:41:02,049 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:02,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:02,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2023-12-20 03:41:02,049 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:02,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:02,050 INFO L85 PathProgramCache]: Analyzing trace with hash -545290686, now seen corresponding path program 1 times [2023-12-20 03:41:02,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:02,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945915491] [2023-12-20 03:41:02,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:02,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:02,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:02,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945915491] [2023-12-20 03:41:02,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945915491] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:02,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:02,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:41:02,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041017320] [2023-12-20 03:41:02,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:02,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:41:02,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:02,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:41:02,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:41:02,401 INFO L87 Difference]: Start difference. First operand 1542 states and 2120 transitions. Second operand has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:05,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:05,472 INFO L93 Difference]: Finished difference Result 4427 states and 6280 transitions. [2023-12-20 03:41:05,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:41:05,473 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:41:05,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:05,477 INFO L225 Difference]: With dead ends: 4427 [2023-12-20 03:41:05,477 INFO L226 Difference]: Without dead ends: 4131 [2023-12-20 03:41:05,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:41:05,478 INFO L413 NwaCegarLoop]: 1430 mSDtfsCounter, 10410 mSDsluCounter, 5954 mSDsCounter, 0 mSdLazyCounter, 5831 mSolverCounterSat, 311 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10410 SdHoareTripleChecker+Valid, 7384 SdHoareTripleChecker+Invalid, 6142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 311 IncrementalHoareTripleChecker+Valid, 5831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:05,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10410 Valid, 7384 Invalid, 6142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [311 Valid, 5831 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-20 03:41:05,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4131 states. [2023-12-20 03:41:05,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4131 to 1550. [2023-12-20 03:41:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.3990795529257067) internal successors, (2128), 1549 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2128 transitions. [2023-12-20 03:41:05,496 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2128 transitions. Word has length 112 [2023-12-20 03:41:05,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:05,496 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2128 transitions. [2023-12-20 03:41:05,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.181818181818182) internal successors, (112), 10 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2128 transitions. [2023-12-20 03:41:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:41:05,498 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:05,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:05,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2023-12-20 03:41:05,498 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:05,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:05,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1858638162, now seen corresponding path program 1 times [2023-12-20 03:41:05,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:05,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124521749] [2023-12-20 03:41:05,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:05,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:05,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:05,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124521749] [2023-12-20 03:41:05,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124521749] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:05,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:05,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:05,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170605662] [2023-12-20 03:41:05,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:05,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:05,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:05,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:05,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:05,664 INFO L87 Difference]: Start difference. First operand 1550 states and 2128 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:07,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:07,304 INFO L93 Difference]: Finished difference Result 2927 states and 4081 transitions. [2023-12-20 03:41:07,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:07,304 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:41:07,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:07,307 INFO L225 Difference]: With dead ends: 2927 [2023-12-20 03:41:07,307 INFO L226 Difference]: Without dead ends: 2705 [2023-12-20 03:41:07,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:41:07,308 INFO L413 NwaCegarLoop]: 1103 mSDtfsCounter, 3611 mSDsluCounter, 3668 mSDsCounter, 0 mSdLazyCounter, 3719 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3611 SdHoareTripleChecker+Valid, 4771 SdHoareTripleChecker+Invalid, 3723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:07,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3611 Valid, 4771 Invalid, 3723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3719 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:07,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2023-12-20 03:41:07,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1550. [2023-12-20 03:41:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.3977646285338594) internal successors, (2126), 1549 states have internal predecessors, (2126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2126 transitions. [2023-12-20 03:41:07,321 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2126 transitions. Word has length 112 [2023-12-20 03:41:07,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:07,321 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2126 transitions. [2023-12-20 03:41:07,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2126 transitions. [2023-12-20 03:41:07,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:41:07,323 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:07,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:07,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2023-12-20 03:41:07,323 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:07,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:07,323 INFO L85 PathProgramCache]: Analyzing trace with hash 2027483906, now seen corresponding path program 1 times [2023-12-20 03:41:07,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:07,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411642796] [2023-12-20 03:41:07,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:07,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:07,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:07,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411642796] [2023-12-20 03:41:07,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411642796] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:07,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:07,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:07,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340095707] [2023-12-20 03:41:07,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:07,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:07,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:07,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:07,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:07,536 INFO L87 Difference]: Start difference. First operand 1550 states and 2126 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:09,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:09,286 INFO L93 Difference]: Finished difference Result 2845 states and 3959 transitions. [2023-12-20 03:41:09,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:09,286 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:41:09,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:09,289 INFO L225 Difference]: With dead ends: 2845 [2023-12-20 03:41:09,289 INFO L226 Difference]: Without dead ends: 2657 [2023-12-20 03:41:09,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:41:09,290 INFO L413 NwaCegarLoop]: 1137 mSDtfsCounter, 5094 mSDsluCounter, 3641 mSDsCounter, 0 mSdLazyCounter, 3792 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5094 SdHoareTripleChecker+Valid, 4778 SdHoareTripleChecker+Invalid, 3796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:09,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5094 Valid, 4778 Invalid, 3796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3792 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:41:09,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2023-12-20 03:41:09,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1550. [2023-12-20 03:41:09,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.3964497041420119) internal successors, (2124), 1549 states have internal predecessors, (2124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:09,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2124 transitions. [2023-12-20 03:41:09,306 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2124 transitions. Word has length 112 [2023-12-20 03:41:09,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:09,307 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2124 transitions. [2023-12-20 03:41:09,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:09,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2124 transitions. [2023-12-20 03:41:09,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:41:09,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:09,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:09,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2023-12-20 03:41:09,308 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:09,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:09,309 INFO L85 PathProgramCache]: Analyzing trace with hash 2012055413, now seen corresponding path program 1 times [2023-12-20 03:41:09,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:09,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192619672] [2023-12-20 03:41:09,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:09,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:09,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:09,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192619672] [2023-12-20 03:41:09,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192619672] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:09,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:09,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:09,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571645552] [2023-12-20 03:41:09,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:09,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:09,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:09,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:09,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:09,490 INFO L87 Difference]: Start difference. First operand 1550 states and 2124 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:11,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:11,154 INFO L93 Difference]: Finished difference Result 2845 states and 3957 transitions. [2023-12-20 03:41:11,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:11,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:41:11,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:11,157 INFO L225 Difference]: With dead ends: 2845 [2023-12-20 03:41:11,157 INFO L226 Difference]: Without dead ends: 2657 [2023-12-20 03:41:11,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:41:11,158 INFO L413 NwaCegarLoop]: 1137 mSDtfsCounter, 5089 mSDsluCounter, 3641 mSDsCounter, 0 mSdLazyCounter, 3788 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5089 SdHoareTripleChecker+Valid, 4778 SdHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:11,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5089 Valid, 4778 Invalid, 3792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3788 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:11,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2023-12-20 03:41:11,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1550. [2023-12-20 03:41:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.3951347797501643) internal successors, (2122), 1549 states have internal predecessors, (2122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2122 transitions. [2023-12-20 03:41:11,171 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2122 transitions. Word has length 112 [2023-12-20 03:41:11,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:11,171 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2122 transitions. [2023-12-20 03:41:11,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:11,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2122 transitions. [2023-12-20 03:41:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:41:11,173 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:11,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:11,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2023-12-20 03:41:11,173 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:11,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:11,173 INFO L85 PathProgramCache]: Analyzing trace with hash 38130447, now seen corresponding path program 1 times [2023-12-20 03:41:11,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:11,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654290203] [2023-12-20 03:41:11,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:11,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:11,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:11,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654290203] [2023-12-20 03:41:11,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654290203] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:11,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:11,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:11,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112360738] [2023-12-20 03:41:11,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:11,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:11,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:11,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:11,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:11,335 INFO L87 Difference]: Start difference. First operand 1550 states and 2122 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:13,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:13,028 INFO L93 Difference]: Finished difference Result 2927 states and 4073 transitions. [2023-12-20 03:41:13,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:13,028 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:41:13,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:13,031 INFO L225 Difference]: With dead ends: 2927 [2023-12-20 03:41:13,031 INFO L226 Difference]: Without dead ends: 2705 [2023-12-20 03:41:13,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:41:13,032 INFO L413 NwaCegarLoop]: 1218 mSDtfsCounter, 5011 mSDsluCounter, 3795 mSDsCounter, 0 mSdLazyCounter, 3944 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5011 SdHoareTripleChecker+Valid, 5013 SdHoareTripleChecker+Invalid, 3948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:13,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5011 Valid, 5013 Invalid, 3948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3944 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:13,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2023-12-20 03:41:13,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 1550. [2023-12-20 03:41:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.393819855358317) internal successors, (2120), 1549 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2120 transitions. [2023-12-20 03:41:13,046 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2120 transitions. Word has length 112 [2023-12-20 03:41:13,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:13,046 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2120 transitions. [2023-12-20 03:41:13,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2120 transitions. [2023-12-20 03:41:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:41:13,048 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:13,048 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:13,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2023-12-20 03:41:13,048 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:13,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:13,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1914809708, now seen corresponding path program 1 times [2023-12-20 03:41:13,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:13,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615950280] [2023-12-20 03:41:13,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:13,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:13,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:13,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615950280] [2023-12-20 03:41:13,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615950280] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:13,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:13,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:13,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623196145] [2023-12-20 03:41:13,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:13,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:13,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:13,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:13,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:13,230 INFO L87 Difference]: Start difference. First operand 1550 states and 2120 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:14,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:14,968 INFO L93 Difference]: Finished difference Result 2845 states and 3953 transitions. [2023-12-20 03:41:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:14,968 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:41:14,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:14,971 INFO L225 Difference]: With dead ends: 2845 [2023-12-20 03:41:14,971 INFO L226 Difference]: Without dead ends: 2657 [2023-12-20 03:41:14,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:41:14,972 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 3346 mSDsluCounter, 3831 mSDsCounter, 0 mSdLazyCounter, 4007 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3346 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 4011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:14,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3346 Valid, 5062 Invalid, 4011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4007 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:41:14,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2023-12-20 03:41:14,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1550. [2023-12-20 03:41:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.3925049309664694) internal successors, (2118), 1549 states have internal predecessors, (2118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2118 transitions. [2023-12-20 03:41:14,990 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2118 transitions. Word has length 112 [2023-12-20 03:41:14,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:14,991 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2118 transitions. [2023-12-20 03:41:14,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2118 transitions. [2023-12-20 03:41:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:41:14,992 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:14,992 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:14,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2023-12-20 03:41:14,992 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:14,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:14,992 INFO L85 PathProgramCache]: Analyzing trace with hash 529413222, now seen corresponding path program 1 times [2023-12-20 03:41:14,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:14,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583318916] [2023-12-20 03:41:14,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:14,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:15,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:15,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:15,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583318916] [2023-12-20 03:41:15,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583318916] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:15,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:15,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:15,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064767984] [2023-12-20 03:41:15,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:15,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:15,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:15,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:15,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:15,168 INFO L87 Difference]: Start difference. First operand 1550 states and 2118 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:16,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:16,894 INFO L93 Difference]: Finished difference Result 2839 states and 3942 transitions. [2023-12-20 03:41:16,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:16,895 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2023-12-20 03:41:16,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:16,897 INFO L225 Difference]: With dead ends: 2839 [2023-12-20 03:41:16,897 INFO L226 Difference]: Without dead ends: 2657 [2023-12-20 03:41:16,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:41:16,898 INFO L413 NwaCegarLoop]: 1163 mSDtfsCounter, 4991 mSDsluCounter, 3723 mSDsCounter, 0 mSdLazyCounter, 3837 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4991 SdHoareTripleChecker+Valid, 4886 SdHoareTripleChecker+Invalid, 3841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:16,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4991 Valid, 4886 Invalid, 3841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3837 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:16,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2023-12-20 03:41:16,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1550. [2023-12-20 03:41:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.3911900065746219) internal successors, (2116), 1549 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2116 transitions. [2023-12-20 03:41:16,913 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2116 transitions. Word has length 112 [2023-12-20 03:41:16,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:16,914 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2116 transitions. [2023-12-20 03:41:16,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:16,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2116 transitions. [2023-12-20 03:41:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-20 03:41:16,915 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:16,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:16,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2023-12-20 03:41:16,916 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:16,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:16,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1860652130, now seen corresponding path program 1 times [2023-12-20 03:41:16,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:16,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941194340] [2023-12-20 03:41:16,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:16,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:17,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:17,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941194340] [2023-12-20 03:41:17,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941194340] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:17,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:17,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:17,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688416540] [2023-12-20 03:41:17,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:17,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:17,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:17,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:17,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:17,108 INFO L87 Difference]: Start difference. First operand 1550 states and 2116 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:18,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:18,829 INFO L93 Difference]: Finished difference Result 2829 states and 3927 transitions. [2023-12-20 03:41:18,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:18,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2023-12-20 03:41:18,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:18,832 INFO L225 Difference]: With dead ends: 2829 [2023-12-20 03:41:18,832 INFO L226 Difference]: Without dead ends: 2657 [2023-12-20 03:41:18,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:41:18,836 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 5025 mSDsluCounter, 3710 mSDsCounter, 0 mSdLazyCounter, 3820 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5025 SdHoareTripleChecker+Valid, 4864 SdHoareTripleChecker+Invalid, 3824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:18,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5025 Valid, 4864 Invalid, 3824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3820 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:18,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2023-12-20 03:41:18,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1550. [2023-12-20 03:41:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.3905325443786982) internal successors, (2115), 1549 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:18,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2115 transitions. [2023-12-20 03:41:18,851 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2115 transitions. Word has length 113 [2023-12-20 03:41:18,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:18,851 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2115 transitions. [2023-12-20 03:41:18,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2115 transitions. [2023-12-20 03:41:18,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-20 03:41:18,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:18,853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:18,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2023-12-20 03:41:18,853 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:18,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:18,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1141679172, now seen corresponding path program 1 times [2023-12-20 03:41:18,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:18,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190483847] [2023-12-20 03:41:18,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:18,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:19,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:19,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190483847] [2023-12-20 03:41:19,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190483847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:19,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:19,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:19,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035671739] [2023-12-20 03:41:19,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:19,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:19,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:19,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:19,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:19,051 INFO L87 Difference]: Start difference. First operand 1550 states and 2115 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:20,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:20,795 INFO L93 Difference]: Finished difference Result 2829 states and 3926 transitions. [2023-12-20 03:41:20,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:20,795 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2023-12-20 03:41:20,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:20,798 INFO L225 Difference]: With dead ends: 2829 [2023-12-20 03:41:20,798 INFO L226 Difference]: Without dead ends: 2657 [2023-12-20 03:41:20,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:41:20,799 INFO L413 NwaCegarLoop]: 1167 mSDtfsCounter, 4976 mSDsluCounter, 3736 mSDsCounter, 0 mSdLazyCounter, 3830 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 4903 SdHoareTripleChecker+Invalid, 3834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:20,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4976 Valid, 4903 Invalid, 3834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3830 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:41:20,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2023-12-20 03:41:20,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1550. [2023-12-20 03:41:20,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.3898750821827746) internal successors, (2114), 1549 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2114 transitions. [2023-12-20 03:41:20,812 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2114 transitions. Word has length 113 [2023-12-20 03:41:20,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:20,813 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2114 transitions. [2023-12-20 03:41:20,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2114 transitions. [2023-12-20 03:41:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-20 03:41:20,814 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:20,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:20,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2023-12-20 03:41:20,814 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:20,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:20,814 INFO L85 PathProgramCache]: Analyzing trace with hash 973763975, now seen corresponding path program 1 times [2023-12-20 03:41:20,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:20,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46074057] [2023-12-20 03:41:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:20,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:20,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:20,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46074057] [2023-12-20 03:41:20,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46074057] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:20,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:20,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:20,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321843096] [2023-12-20 03:41:20,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:20,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:20,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:20,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:20,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:20,984 INFO L87 Difference]: Start difference. First operand 1550 states and 2114 transitions. Second operand has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:22,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:22,836 INFO L93 Difference]: Finished difference Result 3017 states and 4186 transitions. [2023-12-20 03:41:22,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:22,837 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2023-12-20 03:41:22,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:22,839 INFO L225 Difference]: With dead ends: 3017 [2023-12-20 03:41:22,839 INFO L226 Difference]: Without dead ends: 2721 [2023-12-20 03:41:22,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:41:22,840 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 3218 mSDsluCounter, 4134 mSDsCounter, 0 mSdLazyCounter, 4239 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 4242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:22,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 5500 Invalid, 4242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4239 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:41:22,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2023-12-20 03:41:22,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1542. [2023-12-20 03:41:22,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3906146728354263) internal successors, (2104), 1541 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2104 transitions. [2023-12-20 03:41:22,853 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2104 transitions. Word has length 113 [2023-12-20 03:41:22,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:22,853 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2104 transitions. [2023-12-20 03:41:22,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 7 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2104 transitions. [2023-12-20 03:41:22,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:22,854 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:22,854 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:22,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2023-12-20 03:41:22,854 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:22,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:22,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1391933582, now seen corresponding path program 1 times [2023-12-20 03:41:22,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:22,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415759670] [2023-12-20 03:41:22,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:22,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:23,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:23,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415759670] [2023-12-20 03:41:23,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415759670] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:23,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:23,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:23,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290941051] [2023-12-20 03:41:23,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:23,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:23,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:23,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:23,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:23,031 INFO L87 Difference]: Start difference. First operand 1542 states and 2104 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:24,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:24,568 INFO L93 Difference]: Finished difference Result 2728 states and 3764 transitions. [2023-12-20 03:41:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:41:24,568 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:24,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:24,571 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:41:24,571 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:24,572 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 [2023-12-20 03:41:24,572 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 4862 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 3484 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4862 SdHoareTripleChecker+Valid, 4421 SdHoareTripleChecker+Invalid, 3487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:24,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4862 Valid, 4421 Invalid, 3487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3484 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:41:24,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:24,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1542. [2023-12-20 03:41:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1513 states have (on average 1.3899537343027097) internal successors, (2103), 1541 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:24,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2103 transitions. [2023-12-20 03:41:24,587 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2103 transitions. Word has length 114 [2023-12-20 03:41:24,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:24,587 INFO L495 AbstractCegarLoop]: Abstraction has 1542 states and 2103 transitions. [2023-12-20 03:41:24,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:24,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2103 transitions. [2023-12-20 03:41:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:24,589 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:24,589 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:24,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2023-12-20 03:41:24,589 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:24,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:24,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1639447592, now seen corresponding path program 1 times [2023-12-20 03:41:24,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:24,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322654353] [2023-12-20 03:41:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:24,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:24,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:24,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322654353] [2023-12-20 03:41:24,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322654353] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:24,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:24,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:41:24,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710317064] [2023-12-20 03:41:24,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:24,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:41:24,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:24,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:41:24,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:41:24,923 INFO L87 Difference]: Start difference. First operand 1542 states and 2103 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:27,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:27,429 INFO L93 Difference]: Finished difference Result 3363 states and 4694 transitions. [2023-12-20 03:41:27,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:41:27,429 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:27,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:27,433 INFO L225 Difference]: With dead ends: 3363 [2023-12-20 03:41:27,433 INFO L226 Difference]: Without dead ends: 3358 [2023-12-20 03:41:27,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:41:27,434 INFO L413 NwaCegarLoop]: 1102 mSDtfsCounter, 9020 mSDsluCounter, 3625 mSDsCounter, 0 mSdLazyCounter, 4091 mSolverCounterSat, 336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9020 SdHoareTripleChecker+Valid, 4727 SdHoareTripleChecker+Invalid, 4427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 336 IncrementalHoareTripleChecker+Valid, 4091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:27,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9020 Valid, 4727 Invalid, 4427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [336 Valid, 4091 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-20 03:41:27,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2023-12-20 03:41:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 1546. [2023-12-20 03:41:27,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.3889255108767304) internal successors, (2107), 1545 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:27,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2107 transitions. [2023-12-20 03:41:27,451 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2107 transitions. Word has length 114 [2023-12-20 03:41:27,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:27,452 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2107 transitions. [2023-12-20 03:41:27,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:27,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2107 transitions. [2023-12-20 03:41:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:27,453 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:27,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:27,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2023-12-20 03:41:27,453 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:27,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:27,454 INFO L85 PathProgramCache]: Analyzing trace with hash -743239506, now seen corresponding path program 1 times [2023-12-20 03:41:27,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:27,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821556077] [2023-12-20 03:41:27,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:27,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:27,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:27,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821556077] [2023-12-20 03:41:27,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821556077] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:27,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:27,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:27,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268563802] [2023-12-20 03:41:27,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:27,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:27,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:27,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:27,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:27,638 INFO L87 Difference]: Start difference. First operand 1546 states and 2107 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:29,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:29,288 INFO L93 Difference]: Finished difference Result 2728 states and 3762 transitions. [2023-12-20 03:41:29,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:41:29,288 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:29,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:29,291 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:41:29,291 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:29,291 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 [2023-12-20 03:41:29,292 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 3415 mSDsluCounter, 3631 mSDsCounter, 0 mSdLazyCounter, 3818 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 4771 SdHoareTripleChecker+Invalid, 3822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:29,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 4771 Invalid, 3822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3818 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:29,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:29,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1546. [2023-12-20 03:41:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.3882663150955834) internal successors, (2106), 1545 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2106 transitions. [2023-12-20 03:41:29,310 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2106 transitions. Word has length 114 [2023-12-20 03:41:29,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:29,310 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2106 transitions. [2023-12-20 03:41:29,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:29,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2106 transitions. [2023-12-20 03:41:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:29,312 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:29,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:29,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2023-12-20 03:41:29,312 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:29,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:29,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1205132856, now seen corresponding path program 1 times [2023-12-20 03:41:29,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:29,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579919583] [2023-12-20 03:41:29,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:29,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:29,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:29,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579919583] [2023-12-20 03:41:29,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579919583] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:29,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:29,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:29,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32462278] [2023-12-20 03:41:29,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:29,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:29,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:29,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:29,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:29,506 INFO L87 Difference]: Start difference. First operand 1546 states and 2106 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:31,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:31,220 INFO L93 Difference]: Finished difference Result 2726 states and 3758 transitions. [2023-12-20 03:41:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:31,220 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:31,223 INFO L225 Difference]: With dead ends: 2726 [2023-12-20 03:41:31,223 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:31,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:41:31,223 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 5246 mSDsluCounter, 3216 mSDsCounter, 0 mSdLazyCounter, 3622 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5246 SdHoareTripleChecker+Valid, 4251 SdHoareTripleChecker+Invalid, 3625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:31,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5246 Valid, 4251 Invalid, 3625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3622 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:31,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:31,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1546. [2023-12-20 03:41:31,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.3876071193144364) internal successors, (2105), 1545 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2105 transitions. [2023-12-20 03:41:31,235 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2105 transitions. Word has length 114 [2023-12-20 03:41:31,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:31,235 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2105 transitions. [2023-12-20 03:41:31,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:31,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2105 transitions. [2023-12-20 03:41:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:31,237 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:31,237 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:31,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2023-12-20 03:41:31,237 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:31,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:31,238 INFO L85 PathProgramCache]: Analyzing trace with hash 430640402, now seen corresponding path program 1 times [2023-12-20 03:41:31,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:31,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106887960] [2023-12-20 03:41:31,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:31,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:31,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:31,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106887960] [2023-12-20 03:41:31,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106887960] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:31,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:31,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:31,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138364379] [2023-12-20 03:41:31,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:31,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:31,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:31,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:31,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:31,426 INFO L87 Difference]: Start difference. First operand 1546 states and 2105 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:32,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:32,979 INFO L93 Difference]: Finished difference Result 2728 states and 3759 transitions. [2023-12-20 03:41:32,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:41:32,979 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:32,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:32,982 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:41:32,982 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:32,983 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 [2023-12-20 03:41:32,983 INFO L413 NwaCegarLoop]: 1139 mSDtfsCounter, 4728 mSDsluCounter, 3206 mSDsCounter, 0 mSdLazyCounter, 3490 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4728 SdHoareTripleChecker+Valid, 4345 SdHoareTripleChecker+Invalid, 3494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:32,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4728 Valid, 4345 Invalid, 3494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3490 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:41:32,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:32,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1546. [2023-12-20 03:41:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.3869479235332893) internal successors, (2104), 1545 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2104 transitions. [2023-12-20 03:41:32,998 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2104 transitions. Word has length 114 [2023-12-20 03:41:32,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:32,998 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2104 transitions. [2023-12-20 03:41:32,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:32,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2104 transitions. [2023-12-20 03:41:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:32,999 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:32,999 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:32,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2023-12-20 03:41:32,999 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:33,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:33,000 INFO L85 PathProgramCache]: Analyzing trace with hash -579233536, now seen corresponding path program 1 times [2023-12-20 03:41:33,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:33,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279326886] [2023-12-20 03:41:33,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:33,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:33,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:33,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279326886] [2023-12-20 03:41:33,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279326886] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:33,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:33,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:33,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266737904] [2023-12-20 03:41:33,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:33,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:33,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:33,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:33,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:33,202 INFO L87 Difference]: Start difference. First operand 1546 states and 2104 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:34,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:34,868 INFO L93 Difference]: Finished difference Result 2726 states and 3755 transitions. [2023-12-20 03:41:34,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:34,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:34,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:34,871 INFO L225 Difference]: With dead ends: 2726 [2023-12-20 03:41:34,871 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:34,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:41:34,871 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 5216 mSDsluCounter, 3252 mSDsCounter, 0 mSdLazyCounter, 3609 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5216 SdHoareTripleChecker+Valid, 4299 SdHoareTripleChecker+Invalid, 3612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:34,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5216 Valid, 4299 Invalid, 3612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3609 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:34,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:34,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1546. [2023-12-20 03:41:34,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1546 states, 1517 states have (on average 1.3862887277521423) internal successors, (2103), 1545 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:34,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2103 transitions. [2023-12-20 03:41:34,887 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2103 transitions. Word has length 114 [2023-12-20 03:41:34,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:34,887 INFO L495 AbstractCegarLoop]: Abstraction has 1546 states and 2103 transitions. [2023-12-20 03:41:34,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2103 transitions. [2023-12-20 03:41:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:34,888 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:34,889 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:34,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2023-12-20 03:41:34,889 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:34,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:34,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1408156178, now seen corresponding path program 1 times [2023-12-20 03:41:34,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:34,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005587540] [2023-12-20 03:41:34,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:34,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:35,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:35,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005587540] [2023-12-20 03:41:35,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005587540] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:35,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:35,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:41:35,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279084091] [2023-12-20 03:41:35,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:35,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:41:35,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:35,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:41:35,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:41:35,193 INFO L87 Difference]: Start difference. First operand 1546 states and 2103 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:37,786 INFO L93 Difference]: Finished difference Result 3519 states and 4929 transitions. [2023-12-20 03:41:37,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:41:37,786 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:37,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:37,790 INFO L225 Difference]: With dead ends: 3519 [2023-12-20 03:41:37,790 INFO L226 Difference]: Without dead ends: 3353 [2023-12-20 03:41:37,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:41:37,791 INFO L413 NwaCegarLoop]: 1106 mSDtfsCounter, 8953 mSDsluCounter, 3637 mSDsCounter, 0 mSdLazyCounter, 4066 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8953 SdHoareTripleChecker+Valid, 4743 SdHoareTripleChecker+Invalid, 4396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 4066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:37,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8953 Valid, 4743 Invalid, 4396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 4066 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-20 03:41:37,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2023-12-20 03:41:37,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 1550. [2023-12-20 03:41:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1550 states, 1521 states have (on average 1.3852728468113082) internal successors, (2107), 1549 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 2107 transitions. [2023-12-20 03:41:37,807 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 2107 transitions. Word has length 114 [2023-12-20 03:41:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:37,807 INFO L495 AbstractCegarLoop]: Abstraction has 1550 states and 2107 transitions. [2023-12-20 03:41:37,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2107 transitions. [2023-12-20 03:41:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:37,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:37,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:37,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2023-12-20 03:41:37,809 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:37,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:37,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1160476344, now seen corresponding path program 1 times [2023-12-20 03:41:37,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:37,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386195601] [2023-12-20 03:41:37,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:37,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:38,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:38,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386195601] [2023-12-20 03:41:38,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386195601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:38,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:38,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:41:38,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689302569] [2023-12-20 03:41:38,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:38,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:41:38,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:38,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:41:38,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:41:38,105 INFO L87 Difference]: Start difference. First operand 1550 states and 2107 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:40,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:40,507 INFO L93 Difference]: Finished difference Result 3519 states and 4928 transitions. [2023-12-20 03:41:40,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:41:40,508 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:40,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:40,511 INFO L225 Difference]: With dead ends: 3519 [2023-12-20 03:41:40,511 INFO L226 Difference]: Without dead ends: 3353 [2023-12-20 03:41:40,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:41:40,512 INFO L413 NwaCegarLoop]: 1094 mSDtfsCounter, 9052 mSDsluCounter, 3613 mSDsCounter, 0 mSdLazyCounter, 4061 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9052 SdHoareTripleChecker+Valid, 4707 SdHoareTripleChecker+Invalid, 4392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 4061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:40,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9052 Valid, 4707 Invalid, 4392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 4061 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-20 03:41:40,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2023-12-20 03:41:40,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 1554. [2023-12-20 03:41:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1525 states have (on average 1.3842622950819672) internal successors, (2111), 1553 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2111 transitions. [2023-12-20 03:41:40,526 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2111 transitions. Word has length 114 [2023-12-20 03:41:40,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:40,526 INFO L495 AbstractCegarLoop]: Abstraction has 1554 states and 2111 transitions. [2023-12-20 03:41:40,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:40,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2111 transitions. [2023-12-20 03:41:40,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:40,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:40,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:40,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2023-12-20 03:41:40,528 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:40,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:40,528 INFO L85 PathProgramCache]: Analyzing trace with hash -638474711, now seen corresponding path program 1 times [2023-12-20 03:41:40,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:40,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178658214] [2023-12-20 03:41:40,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:40,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:40,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:40,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:40,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178658214] [2023-12-20 03:41:40,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178658214] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:40,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:40,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:40,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790920908] [2023-12-20 03:41:40,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:40,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:40,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:40,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:40,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:40,713 INFO L87 Difference]: Start difference. First operand 1554 states and 2111 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:42,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:42,517 INFO L93 Difference]: Finished difference Result 2728 states and 3754 transitions. [2023-12-20 03:41:42,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:41:42,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:42,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:42,519 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:41:42,519 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:42,520 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 [2023-12-20 03:41:42,520 INFO L413 NwaCegarLoop]: 1136 mSDtfsCounter, 3407 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 4100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 5186 SdHoareTripleChecker+Invalid, 4104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:42,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 5186 Invalid, 4104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4100 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:41:42,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:42,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1554. [2023-12-20 03:41:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1525 states have (on average 1.383606557377049) internal successors, (2110), 1553 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2110 transitions. [2023-12-20 03:41:42,532 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2110 transitions. Word has length 114 [2023-12-20 03:41:42,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:42,532 INFO L495 AbstractCegarLoop]: Abstraction has 1554 states and 2110 transitions. [2023-12-20 03:41:42,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2110 transitions. [2023-12-20 03:41:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:42,533 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:42,533 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:42,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2023-12-20 03:41:42,534 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:42,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:42,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1232170584, now seen corresponding path program 1 times [2023-12-20 03:41:42,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:42,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127630227] [2023-12-20 03:41:42,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:42,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:42,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:42,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127630227] [2023-12-20 03:41:42,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127630227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:42,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:42,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:42,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52865635] [2023-12-20 03:41:42,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:42,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:42,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:42,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:42,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:42,719 INFO L87 Difference]: Start difference. First operand 1554 states and 2110 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:44,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:44,357 INFO L93 Difference]: Finished difference Result 2726 states and 3750 transitions. [2023-12-20 03:41:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:44,358 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:44,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:44,360 INFO L225 Difference]: With dead ends: 2726 [2023-12-20 03:41:44,361 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:44,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:41:44,361 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 5210 mSDsluCounter, 3252 mSDsCounter, 0 mSdLazyCounter, 3586 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5210 SdHoareTripleChecker+Valid, 4299 SdHoareTripleChecker+Invalid, 3589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:44,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5210 Valid, 4299 Invalid, 3589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3586 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:44,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:44,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1554. [2023-12-20 03:41:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1525 states have (on average 1.3829508196721312) internal successors, (2109), 1553 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2109 transitions. [2023-12-20 03:41:44,375 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2109 transitions. Word has length 114 [2023-12-20 03:41:44,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:44,375 INFO L495 AbstractCegarLoop]: Abstraction has 1554 states and 2109 transitions. [2023-12-20 03:41:44,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2109 transitions. [2023-12-20 03:41:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:44,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:44,377 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:44,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2023-12-20 03:41:44,377 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:44,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:44,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1075406998, now seen corresponding path program 1 times [2023-12-20 03:41:44,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:44,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604758880] [2023-12-20 03:41:44,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:44,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:44,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:44,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604758880] [2023-12-20 03:41:44,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604758880] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:44,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:44,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:41:44,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835141422] [2023-12-20 03:41:44,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:44,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:41:44,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:44,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:41:44,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:41:44,722 INFO L87 Difference]: Start difference. First operand 1554 states and 2109 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:47,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:47,020 INFO L93 Difference]: Finished difference Result 3519 states and 4924 transitions. [2023-12-20 03:41:47,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:41:47,020 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:47,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:47,023 INFO L225 Difference]: With dead ends: 3519 [2023-12-20 03:41:47,023 INFO L226 Difference]: Without dead ends: 3353 [2023-12-20 03:41:47,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:41:47,024 INFO L413 NwaCegarLoop]: 1045 mSDtfsCounter, 9843 mSDsluCounter, 3442 mSDsCounter, 0 mSdLazyCounter, 3831 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9843 SdHoareTripleChecker+Valid, 4487 SdHoareTripleChecker+Invalid, 4166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 3831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:47,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9843 Valid, 4487 Invalid, 4166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 3831 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-20 03:41:47,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2023-12-20 03:41:47,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 1558. [2023-12-20 03:41:47,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.381948986265533) internal successors, (2113), 1557 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2113 transitions. [2023-12-20 03:41:47,039 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2113 transitions. Word has length 114 [2023-12-20 03:41:47,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:47,040 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2113 transitions. [2023-12-20 03:41:47,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:47,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2113 transitions. [2023-12-20 03:41:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:47,041 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:47,041 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:47,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2023-12-20 03:41:47,041 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:47,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:47,041 INFO L85 PathProgramCache]: Analyzing trace with hash 2022903574, now seen corresponding path program 1 times [2023-12-20 03:41:47,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:47,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447202492] [2023-12-20 03:41:47,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:47,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:47,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:47,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447202492] [2023-12-20 03:41:47,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447202492] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:47,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:47,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:47,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587060174] [2023-12-20 03:41:47,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:47,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:47,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:47,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:47,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:47,226 INFO L87 Difference]: Start difference. First operand 1558 states and 2113 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:48,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:48,934 INFO L93 Difference]: Finished difference Result 2856 states and 3937 transitions. [2023-12-20 03:41:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:48,935 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:48,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:48,937 INFO L225 Difference]: With dead ends: 2856 [2023-12-20 03:41:48,937 INFO L226 Difference]: Without dead ends: 2673 [2023-12-20 03:41:48,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:41:48,938 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 3437 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 3875 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3437 SdHoareTripleChecker+Valid, 4993 SdHoareTripleChecker+Invalid, 3880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:48,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3437 Valid, 4993 Invalid, 3880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3875 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:48,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2023-12-20 03:41:48,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 1558. [2023-12-20 03:41:48,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.381294964028777) internal successors, (2112), 1557 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2112 transitions. [2023-12-20 03:41:48,950 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2112 transitions. Word has length 114 [2023-12-20 03:41:48,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:48,950 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2112 transitions. [2023-12-20 03:41:48,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2112 transitions. [2023-12-20 03:41:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:48,951 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:48,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:48,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2023-12-20 03:41:48,952 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:48,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:48,952 INFO L85 PathProgramCache]: Analyzing trace with hash 110706472, now seen corresponding path program 1 times [2023-12-20 03:41:48,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:48,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867868564] [2023-12-20 03:41:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:48,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:49,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:49,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867868564] [2023-12-20 03:41:49,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867868564] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:49,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:49,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:49,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404640455] [2023-12-20 03:41:49,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:49,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:49,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:49,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:49,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:49,132 INFO L87 Difference]: Start difference. First operand 1558 states and 2112 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:50,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:50,725 INFO L93 Difference]: Finished difference Result 2731 states and 3752 transitions. [2023-12-20 03:41:50,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:41:50,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:50,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:50,727 INFO L225 Difference]: With dead ends: 2731 [2023-12-20 03:41:50,727 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:50,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:41:50,728 INFO L413 NwaCegarLoop]: 998 mSDtfsCounter, 5403 mSDsluCounter, 3099 mSDsCounter, 0 mSdLazyCounter, 3399 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5403 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 3403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:50,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5403 Valid, 4097 Invalid, 3403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3399 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:41:50,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:50,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1558. [2023-12-20 03:41:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.380640941792021) internal successors, (2111), 1557 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2111 transitions. [2023-12-20 03:41:50,740 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2111 transitions. Word has length 114 [2023-12-20 03:41:50,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:50,740 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2111 transitions. [2023-12-20 03:41:50,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:50,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2111 transitions. [2023-12-20 03:41:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:50,741 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:50,741 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:50,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2023-12-20 03:41:50,742 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:50,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:50,742 INFO L85 PathProgramCache]: Analyzing trace with hash 619897790, now seen corresponding path program 1 times [2023-12-20 03:41:50,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:50,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611901718] [2023-12-20 03:41:50,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:50,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:50,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:50,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611901718] [2023-12-20 03:41:50,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611901718] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:50,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:50,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:50,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759250810] [2023-12-20 03:41:50,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:50,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:50,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:50,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:50,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:50,981 INFO L87 Difference]: Start difference. First operand 1558 states and 2111 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:52,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:52,772 INFO L93 Difference]: Finished difference Result 2728 states and 3748 transitions. [2023-12-20 03:41:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:41:52,772 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:52,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:52,775 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:41:52,775 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:52,775 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 [2023-12-20 03:41:52,775 INFO L413 NwaCegarLoop]: 1175 mSDtfsCounter, 3522 mSDsluCounter, 4112 mSDsCounter, 0 mSdLazyCounter, 4063 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 5287 SdHoareTripleChecker+Invalid, 4066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:52,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 5287 Invalid, 4066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4063 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:41:52,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:52,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1558. [2023-12-20 03:41:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1529 states have (on average 1.379986919555265) internal successors, (2110), 1557 states have internal predecessors, (2110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:52,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2110 transitions. [2023-12-20 03:41:52,788 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2110 transitions. Word has length 114 [2023-12-20 03:41:52,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:52,789 INFO L495 AbstractCegarLoop]: Abstraction has 1558 states and 2110 transitions. [2023-12-20 03:41:52,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2110 transitions. [2023-12-20 03:41:52,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:52,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:52,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:52,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2023-12-20 03:41:52,790 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:52,791 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:52,791 INFO L85 PathProgramCache]: Analyzing trace with hash -644430103, now seen corresponding path program 1 times [2023-12-20 03:41:52,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:52,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805837554] [2023-12-20 03:41:52,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:52,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:53,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:53,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805837554] [2023-12-20 03:41:53,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805837554] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:53,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:53,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:41:53,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343188417] [2023-12-20 03:41:53,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:53,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:41:53,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:53,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:41:53,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:41:53,086 INFO L87 Difference]: Start difference. First operand 1558 states and 2110 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:55,751 INFO L93 Difference]: Finished difference Result 3529 states and 4930 transitions. [2023-12-20 03:41:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:41:55,751 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:55,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:55,754 INFO L225 Difference]: With dead ends: 3529 [2023-12-20 03:41:55,754 INFO L226 Difference]: Without dead ends: 3358 [2023-12-20 03:41:55,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:41:55,755 INFO L413 NwaCegarLoop]: 1064 mSDtfsCounter, 9682 mSDsluCounter, 4498 mSDsCounter, 0 mSdLazyCounter, 4758 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9682 SdHoareTripleChecker+Valid, 5562 SdHoareTripleChecker+Invalid, 5089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 4758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:55,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9682 Valid, 5562 Invalid, 5089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 4758 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-20 03:41:55,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2023-12-20 03:41:55,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 1562. [2023-12-20 03:41:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1533 states have (on average 1.3789954337899544) internal successors, (2114), 1561 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2114 transitions. [2023-12-20 03:41:55,772 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2114 transitions. Word has length 114 [2023-12-20 03:41:55,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:55,772 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2114 transitions. [2023-12-20 03:41:55,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2114 transitions. [2023-12-20 03:41:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:55,773 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:55,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:55,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2023-12-20 03:41:55,773 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:55,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:55,774 INFO L85 PathProgramCache]: Analyzing trace with hash -2116311001, now seen corresponding path program 1 times [2023-12-20 03:41:55,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:55,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725123937] [2023-12-20 03:41:55,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:55,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:55,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:55,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:55,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725123937] [2023-12-20 03:41:55,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725123937] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:55,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:55,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:55,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387011473] [2023-12-20 03:41:55,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:55,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:55,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:55,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:55,990 INFO L87 Difference]: Start difference. First operand 1562 states and 2114 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:57,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:57,846 INFO L93 Difference]: Finished difference Result 2728 states and 3746 transitions. [2023-12-20 03:41:57,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:41:57,847 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:57,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:57,849 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:41:57,849 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:57,850 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 [2023-12-20 03:41:57,850 INFO L413 NwaCegarLoop]: 1173 mSDtfsCounter, 3520 mSDsluCounter, 4112 mSDsCounter, 0 mSdLazyCounter, 4050 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3520 SdHoareTripleChecker+Valid, 5285 SdHoareTripleChecker+Invalid, 4053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:57,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3520 Valid, 5285 Invalid, 4053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4050 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:41:57,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:57,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1562. [2023-12-20 03:41:57,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1533 states have (on average 1.3783431180691454) internal successors, (2113), 1561 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2113 transitions. [2023-12-20 03:41:57,863 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2113 transitions. Word has length 114 [2023-12-20 03:41:57,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:57,863 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2113 transitions. [2023-12-20 03:41:57,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2113 transitions. [2023-12-20 03:41:57,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:57,864 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:57,864 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:57,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2023-12-20 03:41:57,864 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:57,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:57,865 INFO L85 PathProgramCache]: Analyzing trace with hash 914445576, now seen corresponding path program 1 times [2023-12-20 03:41:57,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:57,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828116853] [2023-12-20 03:41:57,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:57,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:58,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:58,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828116853] [2023-12-20 03:41:58,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828116853] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:58,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:58,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:58,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880930866] [2023-12-20 03:41:58,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:58,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:58,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:58,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:58,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:58,034 INFO L87 Difference]: Start difference. First operand 1562 states and 2113 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:41:59,697 INFO L93 Difference]: Finished difference Result 2731 states and 3748 transitions. [2023-12-20 03:41:59,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:41:59,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:41:59,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:41:59,699 INFO L225 Difference]: With dead ends: 2731 [2023-12-20 03:41:59,699 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:41:59,699 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 [2023-12-20 03:41:59,700 INFO L413 NwaCegarLoop]: 1242 mSDtfsCounter, 3395 mSDsluCounter, 3816 mSDsCounter, 0 mSdLazyCounter, 3896 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 5058 SdHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:41:59,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 5058 Invalid, 3899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3896 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:41:59,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:41:59,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1562. [2023-12-20 03:41:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1533 states have (on average 1.3776908023483365) internal successors, (2112), 1561 states have internal predecessors, (2112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2112 transitions. [2023-12-20 03:41:59,712 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2112 transitions. Word has length 114 [2023-12-20 03:41:59,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:41:59,712 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2112 transitions. [2023-12-20 03:41:59,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:41:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2112 transitions. [2023-12-20 03:41:59,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:41:59,713 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:41:59,713 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:41:59,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2023-12-20 03:41:59,714 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:41:59,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:41:59,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1467616925, now seen corresponding path program 1 times [2023-12-20 03:41:59,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:41:59,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371568875] [2023-12-20 03:41:59,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:41:59,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:41:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:41:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:41:59,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:41:59,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371568875] [2023-12-20 03:41:59,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371568875] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:41:59,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:41:59,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:41:59,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189207625] [2023-12-20 03:41:59,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:41:59,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:41:59,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:41:59,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:41:59,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:41:59,916 INFO L87 Difference]: Start difference. First operand 1562 states and 2112 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:01,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:01,678 INFO L93 Difference]: Finished difference Result 2728 states and 3743 transitions. [2023-12-20 03:42:01,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:01,679 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:01,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:01,681 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:42:01,681 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:01,682 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 [2023-12-20 03:42:01,682 INFO L413 NwaCegarLoop]: 1240 mSDtfsCounter, 3390 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 4212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3390 SdHoareTripleChecker+Valid, 5474 SdHoareTripleChecker+Invalid, 4215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:01,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3390 Valid, 5474 Invalid, 4215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4212 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:42:01,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:01,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1562. [2023-12-20 03:42:01,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1533 states have (on average 1.3770384866275278) internal successors, (2111), 1561 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2111 transitions. [2023-12-20 03:42:01,694 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2111 transitions. Word has length 114 [2023-12-20 03:42:01,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:01,694 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2111 transitions. [2023-12-20 03:42:01,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:01,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2111 transitions. [2023-12-20 03:42:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:01,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:01,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:01,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2023-12-20 03:42:01,696 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:01,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:01,696 INFO L85 PathProgramCache]: Analyzing trace with hash -787248962, now seen corresponding path program 1 times [2023-12-20 03:42:01,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:01,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917801245] [2023-12-20 03:42:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:01,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:02,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:02,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917801245] [2023-12-20 03:42:02,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917801245] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:02,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:02,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:42:02,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885752860] [2023-12-20 03:42:02,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:02,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:42:02,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:02,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:42:02,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:42:02,015 INFO L87 Difference]: Start difference. First operand 1562 states and 2111 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:04,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:04,627 INFO L93 Difference]: Finished difference Result 3523 states and 4918 transitions. [2023-12-20 03:42:04,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:42:04,628 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:04,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:04,631 INFO L225 Difference]: With dead ends: 3523 [2023-12-20 03:42:04,631 INFO L226 Difference]: Without dead ends: 3355 [2023-12-20 03:42:04,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:42:04,632 INFO L413 NwaCegarLoop]: 1055 mSDtfsCounter, 9670 mSDsluCounter, 4475 mSDsCounter, 0 mSdLazyCounter, 4730 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9670 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 5063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 4730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:04,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9670 Valid, 5530 Invalid, 5063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 4730 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-20 03:42:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3355 states. [2023-12-20 03:42:04,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3355 to 1566. [2023-12-20 03:42:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1537 states have (on average 1.376057254391672) internal successors, (2115), 1565 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2115 transitions. [2023-12-20 03:42:04,649 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2115 transitions. Word has length 114 [2023-12-20 03:42:04,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:04,649 INFO L495 AbstractCegarLoop]: Abstraction has 1566 states and 2115 transitions. [2023-12-20 03:42:04,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2115 transitions. [2023-12-20 03:42:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:04,650 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:04,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:04,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2023-12-20 03:42:04,650 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:04,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:04,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1685144350, now seen corresponding path program 1 times [2023-12-20 03:42:04,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:04,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564061314] [2023-12-20 03:42:04,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:04,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:04,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:04,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564061314] [2023-12-20 03:42:04,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564061314] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:04,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:04,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:04,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980041983] [2023-12-20 03:42:04,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:04,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:04,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:04,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:04,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:04,864 INFO L87 Difference]: Start difference. First operand 1566 states and 2115 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:06,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:06,612 INFO L93 Difference]: Finished difference Result 2728 states and 3740 transitions. [2023-12-20 03:42:06,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:06,612 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:06,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:06,615 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:42:06,615 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:06,616 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 [2023-12-20 03:42:06,620 INFO L413 NwaCegarLoop]: 1168 mSDtfsCounter, 3514 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 4017 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3514 SdHoareTripleChecker+Valid, 5277 SdHoareTripleChecker+Invalid, 4020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:06,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3514 Valid, 5277 Invalid, 4020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4017 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:42:06,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:06,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1566. [2023-12-20 03:42:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1537 states have (on average 1.3754066363044892) internal successors, (2114), 1565 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2114 transitions. [2023-12-20 03:42:06,635 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2114 transitions. Word has length 114 [2023-12-20 03:42:06,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:06,635 INFO L495 AbstractCegarLoop]: Abstraction has 1566 states and 2114 transitions. [2023-12-20 03:42:06,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2114 transitions. [2023-12-20 03:42:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:06,636 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:06,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:06,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2023-12-20 03:42:06,636 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:06,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:06,637 INFO L85 PathProgramCache]: Analyzing trace with hash 421150105, now seen corresponding path program 1 times [2023-12-20 03:42:06,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:06,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307533394] [2023-12-20 03:42:06,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:06,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:06,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:06,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307533394] [2023-12-20 03:42:06,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307533394] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:06,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:06,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:06,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598843740] [2023-12-20 03:42:06,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:06,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:06,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:06,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:06,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:06,822 INFO L87 Difference]: Start difference. First operand 1566 states and 2114 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:08,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:08,611 INFO L93 Difference]: Finished difference Result 2731 states and 3742 transitions. [2023-12-20 03:42:08,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:08,612 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:08,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:08,614 INFO L225 Difference]: With dead ends: 2731 [2023-12-20 03:42:08,614 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:08,614 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 [2023-12-20 03:42:08,614 INFO L413 NwaCegarLoop]: 1237 mSDtfsCounter, 3389 mSDsluCounter, 4232 mSDsCounter, 0 mSdLazyCounter, 4179 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 5469 SdHoareTripleChecker+Invalid, 4182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:08,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 5469 Invalid, 4182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4179 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:42:08,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:08,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1566. [2023-12-20 03:42:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1566 states, 1537 states have (on average 1.3747560182173064) internal successors, (2113), 1565 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:08,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 2113 transitions. [2023-12-20 03:42:08,627 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 2113 transitions. Word has length 114 [2023-12-20 03:42:08,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:08,627 INFO L495 AbstractCegarLoop]: Abstraction has 1566 states and 2113 transitions. [2023-12-20 03:42:08,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:08,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 2113 transitions. [2023-12-20 03:42:08,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:08,629 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:08,629 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:08,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2023-12-20 03:42:08,629 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:08,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:08,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1961128870, now seen corresponding path program 1 times [2023-12-20 03:42:08,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:08,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141255549] [2023-12-20 03:42:08,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:08,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:08,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:08,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:08,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141255549] [2023-12-20 03:42:08,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141255549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:08,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:08,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:42:08,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055287747] [2023-12-20 03:42:08,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:08,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:42:08,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:08,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:42:08,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:42:08,926 INFO L87 Difference]: Start difference. First operand 1566 states and 2113 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:11,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:11,419 INFO L93 Difference]: Finished difference Result 3523 states and 4914 transitions. [2023-12-20 03:42:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:42:11,420 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:11,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:11,423 INFO L225 Difference]: With dead ends: 3523 [2023-12-20 03:42:11,423 INFO L226 Difference]: Without dead ends: 3355 [2023-12-20 03:42:11,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:42:11,424 INFO L413 NwaCegarLoop]: 1054 mSDtfsCounter, 9717 mSDsluCounter, 4064 mSDsCounter, 0 mSdLazyCounter, 4450 mSolverCounterSat, 336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9717 SdHoareTripleChecker+Valid, 5118 SdHoareTripleChecker+Invalid, 4786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 336 IncrementalHoareTripleChecker+Valid, 4450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:11,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9717 Valid, 5118 Invalid, 4786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [336 Valid, 4450 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-20 03:42:11,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3355 states. [2023-12-20 03:42:11,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3355 to 1570. [2023-12-20 03:42:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1541 states have (on average 1.373783257624919) internal successors, (2117), 1569 states have internal predecessors, (2117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:11,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2117 transitions. [2023-12-20 03:42:11,439 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2117 transitions. Word has length 114 [2023-12-20 03:42:11,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:11,439 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 2117 transitions. [2023-12-20 03:42:11,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:11,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2117 transitions. [2023-12-20 03:42:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:11,440 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:11,440 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:11,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2023-12-20 03:42:11,440 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:11,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:11,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1716325617, now seen corresponding path program 1 times [2023-12-20 03:42:11,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:11,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708310356] [2023-12-20 03:42:11,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:11,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:11,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:11,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708310356] [2023-12-20 03:42:11,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708310356] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:11,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:11,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:11,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432335107] [2023-12-20 03:42:11,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:11,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:11,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:11,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:11,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:11,627 INFO L87 Difference]: Start difference. First operand 1570 states and 2117 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:13,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:13,538 INFO L93 Difference]: Finished difference Result 2726 states and 3734 transitions. [2023-12-20 03:42:13,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:13,539 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:13,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:13,541 INFO L225 Difference]: With dead ends: 2726 [2023-12-20 03:42:13,541 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:13,542 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 [2023-12-20 03:42:13,542 INFO L413 NwaCegarLoop]: 1177 mSDtfsCounter, 3509 mSDsluCounter, 4143 mSDsCounter, 0 mSdLazyCounter, 3998 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3509 SdHoareTripleChecker+Valid, 5320 SdHoareTripleChecker+Invalid, 4001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:13,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3509 Valid, 5320 Invalid, 4001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3998 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-20 03:42:13,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:13,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1570. [2023-12-20 03:42:13,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1541 states have (on average 1.3724853990914991) internal successors, (2115), 1569 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2115 transitions. [2023-12-20 03:42:13,556 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2115 transitions. Word has length 114 [2023-12-20 03:42:13,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:13,556 INFO L495 AbstractCegarLoop]: Abstraction has 1570 states and 2115 transitions. [2023-12-20 03:42:13,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2115 transitions. [2023-12-20 03:42:13,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:13,557 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:13,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:13,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2023-12-20 03:42:13,557 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:13,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:13,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1958502362, now seen corresponding path program 1 times [2023-12-20 03:42:13,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:13,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277550660] [2023-12-20 03:42:13,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:13,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:13,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277550660] [2023-12-20 03:42:13,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277550660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:13,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:13,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:42:13,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552893380] [2023-12-20 03:42:13,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:13,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:42:13,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:13,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:42:13,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:42:13,870 INFO L87 Difference]: Start difference. First operand 1570 states and 2115 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:16,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:16,143 INFO L93 Difference]: Finished difference Result 3527 states and 4915 transitions. [2023-12-20 03:42:16,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:42:16,144 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:16,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:16,147 INFO L225 Difference]: With dead ends: 3527 [2023-12-20 03:42:16,147 INFO L226 Difference]: Without dead ends: 3357 [2023-12-20 03:42:16,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:42:16,148 INFO L413 NwaCegarLoop]: 1067 mSDtfsCounter, 9723 mSDsluCounter, 3492 mSDsCounter, 0 mSdLazyCounter, 3758 mSolverCounterSat, 336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9723 SdHoareTripleChecker+Valid, 4559 SdHoareTripleChecker+Invalid, 4094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 336 IncrementalHoareTripleChecker+Valid, 3758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:16,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9723 Valid, 4559 Invalid, 4094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [336 Valid, 3758 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-20 03:42:16,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2023-12-20 03:42:16,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 1578. [2023-12-20 03:42:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1549 states have (on average 1.3705616526791478) internal successors, (2123), 1577 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2123 transitions. [2023-12-20 03:42:16,168 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2123 transitions. Word has length 114 [2023-12-20 03:42:16,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:16,168 INFO L495 AbstractCegarLoop]: Abstraction has 1578 states and 2123 transitions. [2023-12-20 03:42:16,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2123 transitions. [2023-12-20 03:42:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:16,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:16,169 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:16,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2023-12-20 03:42:16,170 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:16,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:16,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1309808286, now seen corresponding path program 1 times [2023-12-20 03:42:16,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:16,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083349703] [2023-12-20 03:42:16,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:16,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:16,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:16,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083349703] [2023-12-20 03:42:16,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083349703] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:16,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:16,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:16,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709784770] [2023-12-20 03:42:16,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:16,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:16,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:16,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:16,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:16,358 INFO L87 Difference]: Start difference. First operand 1578 states and 2123 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:18,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:18,012 INFO L93 Difference]: Finished difference Result 2730 states and 3734 transitions. [2023-12-20 03:42:18,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:18,013 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:18,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:18,015 INFO L225 Difference]: With dead ends: 2730 [2023-12-20 03:42:18,015 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:18,016 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 [2023-12-20 03:42:18,016 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 3509 mSDsluCounter, 3976 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3509 SdHoareTripleChecker+Valid, 5053 SdHoareTripleChecker+Invalid, 3844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:18,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3509 Valid, 5053 Invalid, 3844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3840 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:42:18,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1578. [2023-12-20 03:42:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1578 states, 1549 states have (on average 1.3692704970949) internal successors, (2121), 1577 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1578 states and 2121 transitions. [2023-12-20 03:42:18,029 INFO L78 Accepts]: Start accepts. Automaton has 1578 states and 2121 transitions. Word has length 114 [2023-12-20 03:42:18,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:18,029 INFO L495 AbstractCegarLoop]: Abstraction has 1578 states and 2121 transitions. [2023-12-20 03:42:18,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:18,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 2121 transitions. [2023-12-20 03:42:18,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:18,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:18,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:18,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2023-12-20 03:42:18,030 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:18,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:18,030 INFO L85 PathProgramCache]: Analyzing trace with hash 44709825, now seen corresponding path program 1 times [2023-12-20 03:42:18,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:18,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346522027] [2023-12-20 03:42:18,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:18,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:18,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:18,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346522027] [2023-12-20 03:42:18,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346522027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:18,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:18,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:42:18,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534386694] [2023-12-20 03:42:18,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:18,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:42:18,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:18,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:42:18,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:42:18,328 INFO L87 Difference]: Start difference. First operand 1578 states and 2121 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:20,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:20,585 INFO L93 Difference]: Finished difference Result 3363 states and 4661 transitions. [2023-12-20 03:42:20,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:42:20,585 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:20,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:20,588 INFO L225 Difference]: With dead ends: 3363 [2023-12-20 03:42:20,588 INFO L226 Difference]: Without dead ends: 3358 [2023-12-20 03:42:20,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:42:20,589 INFO L413 NwaCegarLoop]: 1068 mSDtfsCounter, 9683 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 3745 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9683 SdHoareTripleChecker+Valid, 4556 SdHoareTripleChecker+Invalid, 4082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 3745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:20,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9683 Valid, 4556 Invalid, 4082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 3745 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-20 03:42:20,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2023-12-20 03:42:20,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 1586. [2023-12-20 03:42:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.367373153500321) internal successors, (2129), 1585 states have internal predecessors, (2129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2129 transitions. [2023-12-20 03:42:20,604 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2129 transitions. Word has length 114 [2023-12-20 03:42:20,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:20,604 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2129 transitions. [2023-12-20 03:42:20,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2129 transitions. [2023-12-20 03:42:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:20,605 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:20,605 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:20,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2023-12-20 03:42:20,606 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:20,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:20,606 INFO L85 PathProgramCache]: Analyzing trace with hash -759029279, now seen corresponding path program 1 times [2023-12-20 03:42:20,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:20,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103629011] [2023-12-20 03:42:20,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:20,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:20,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:20,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:20,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103629011] [2023-12-20 03:42:20,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103629011] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:20,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:20,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:20,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549972463] [2023-12-20 03:42:20,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:20,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:20,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:20,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:20,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:20,775 INFO L87 Difference]: Start difference. First operand 1586 states and 2129 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:22,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:22,550 INFO L93 Difference]: Finished difference Result 2565 states and 3480 transitions. [2023-12-20 03:42:22,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:22,550 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:22,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:22,553 INFO L225 Difference]: With dead ends: 2565 [2023-12-20 03:42:22,553 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:22,553 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 [2023-12-20 03:42:22,553 INFO L413 NwaCegarLoop]: 1072 mSDtfsCounter, 3509 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 3827 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3509 SdHoareTripleChecker+Valid, 5036 SdHoareTripleChecker+Invalid, 3831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:22,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3509 Valid, 5036 Invalid, 3831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3827 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:42:22,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:22,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3660886319845857) internal successors, (2127), 1585 states have internal predecessors, (2127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2127 transitions. [2023-12-20 03:42:22,571 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2127 transitions. Word has length 114 [2023-12-20 03:42:22,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:22,571 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2127 transitions. [2023-12-20 03:42:22,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:22,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2127 transitions. [2023-12-20 03:42:22,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:22,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:22,572 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:22,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2023-12-20 03:42:22,573 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:22,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:22,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1153167823, now seen corresponding path program 1 times [2023-12-20 03:42:22,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:22,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426853908] [2023-12-20 03:42:22,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:22,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:22,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:22,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426853908] [2023-12-20 03:42:22,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426853908] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:22,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:22,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:22,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184051925] [2023-12-20 03:42:22,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:22,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:22,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:22,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:22,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:22,794 INFO L87 Difference]: Start difference. First operand 1586 states and 2127 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:24,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:24,574 INFO L93 Difference]: Finished difference Result 2730 states and 3702 transitions. [2023-12-20 03:42:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:42:24,575 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:24,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:24,577 INFO L225 Difference]: With dead ends: 2730 [2023-12-20 03:42:24,577 INFO L226 Difference]: Without dead ends: 2713 [2023-12-20 03:42:24,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:42:24,578 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 4805 mSDsluCounter, 3821 mSDsCounter, 0 mSdLazyCounter, 3846 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4805 SdHoareTripleChecker+Valid, 5052 SdHoareTripleChecker+Invalid, 3850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:24,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4805 Valid, 5052 Invalid, 3850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3846 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:42:24,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2023-12-20 03:42:24,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 1586. [2023-12-20 03:42:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3648041104688504) internal successors, (2125), 1585 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2125 transitions. [2023-12-20 03:42:24,591 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2125 transitions. Word has length 114 [2023-12-20 03:42:24,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:24,591 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2125 transitions. [2023-12-20 03:42:24,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2125 transitions. [2023-12-20 03:42:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:24,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:24,593 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:24,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2023-12-20 03:42:24,593 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:24,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:24,593 INFO L85 PathProgramCache]: Analyzing trace with hash -248950219, now seen corresponding path program 1 times [2023-12-20 03:42:24,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:24,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840343177] [2023-12-20 03:42:24,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:24,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:24,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:24,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840343177] [2023-12-20 03:42:24,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840343177] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:24,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:24,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:24,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716719477] [2023-12-20 03:42:24,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:24,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:24,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:24,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:24,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:24,786 INFO L87 Difference]: Start difference. First operand 1586 states and 2125 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:26,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:26,271 INFO L93 Difference]: Finished difference Result 2730 states and 3726 transitions. [2023-12-20 03:42:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:26,271 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:26,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:26,274 INFO L225 Difference]: With dead ends: 2730 [2023-12-20 03:42:26,274 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:26,275 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 [2023-12-20 03:42:26,275 INFO L413 NwaCegarLoop]: 1186 mSDtfsCounter, 4801 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 3373 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4801 SdHoareTripleChecker+Valid, 4505 SdHoareTripleChecker+Invalid, 3376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:26,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4801 Valid, 4505 Invalid, 3376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3373 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:26,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:26,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3635195889531149) internal successors, (2123), 1585 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2123 transitions. [2023-12-20 03:42:26,287 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2123 transitions. Word has length 114 [2023-12-20 03:42:26,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:26,287 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2123 transitions. [2023-12-20 03:42:26,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:26,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2123 transitions. [2023-12-20 03:42:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:26,288 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:26,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:26,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2023-12-20 03:42:26,289 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:26,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1514165854, now seen corresponding path program 1 times [2023-12-20 03:42:26,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:26,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192036790] [2023-12-20 03:42:26,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:26,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:26,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:26,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192036790] [2023-12-20 03:42:26,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192036790] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:26,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:26,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:26,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199193389] [2023-12-20 03:42:26,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:26,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:26,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:26,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:26,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:26,466 INFO L87 Difference]: Start difference. First operand 1586 states and 2123 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:28,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:28,073 INFO L93 Difference]: Finished difference Result 2565 states and 3474 transitions. [2023-12-20 03:42:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:42:28,090 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:28,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:28,092 INFO L225 Difference]: With dead ends: 2565 [2023-12-20 03:42:28,092 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:28,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:42:28,092 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 3511 mSDsluCounter, 3419 mSDsCounter, 0 mSdLazyCounter, 3684 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3511 SdHoareTripleChecker+Valid, 4550 SdHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:28,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3511 Valid, 4550 Invalid, 3687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3684 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:42:28,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:28,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3622350674373795) internal successors, (2121), 1585 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2121 transitions. [2023-12-20 03:42:28,104 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2121 transitions. Word has length 114 [2023-12-20 03:42:28,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:28,104 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2121 transitions. [2023-12-20 03:42:28,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2121 transitions. [2023-12-20 03:42:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:28,105 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:28,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:28,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2023-12-20 03:42:28,106 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:28,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:28,106 INFO L85 PathProgramCache]: Analyzing trace with hash -728172644, now seen corresponding path program 1 times [2023-12-20 03:42:28,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:28,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036705159] [2023-12-20 03:42:28,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:28,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:28,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:28,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036705159] [2023-12-20 03:42:28,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036705159] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:28,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:28,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:28,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555956009] [2023-12-20 03:42:28,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:28,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:28,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:28,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:28,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:28,283 INFO L87 Difference]: Start difference. First operand 1586 states and 2121 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:29,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:29,811 INFO L93 Difference]: Finished difference Result 2726 states and 3716 transitions. [2023-12-20 03:42:29,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:29,812 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:29,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:29,814 INFO L225 Difference]: With dead ends: 2726 [2023-12-20 03:42:29,814 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:29,815 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 [2023-12-20 03:42:29,815 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 4668 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 3534 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4668 SdHoareTripleChecker+Valid, 4653 SdHoareTripleChecker+Invalid, 3537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:29,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4668 Valid, 4653 Invalid, 3537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3534 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:29,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:29,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3609505459216442) internal successors, (2119), 1585 states have internal predecessors, (2119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2119 transitions. [2023-12-20 03:42:29,827 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2119 transitions. Word has length 114 [2023-12-20 03:42:29,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:29,828 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2119 transitions. [2023-12-20 03:42:29,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2119 transitions. [2023-12-20 03:42:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:29,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:29,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:29,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2023-12-20 03:42:29,829 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:29,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:29,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1656096971, now seen corresponding path program 1 times [2023-12-20 03:42:29,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:29,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186076596] [2023-12-20 03:42:29,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:29,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:30,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:30,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:30,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186076596] [2023-12-20 03:42:30,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186076596] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:30,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:30,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:30,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534781364] [2023-12-20 03:42:30,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:30,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:30,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:30,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:30,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:30,033 INFO L87 Difference]: Start difference. First operand 1586 states and 2119 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:31,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:31,762 INFO L93 Difference]: Finished difference Result 2730 states and 3716 transitions. [2023-12-20 03:42:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:31,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:31,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:31,765 INFO L225 Difference]: With dead ends: 2730 [2023-12-20 03:42:31,765 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:31,766 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 [2023-12-20 03:42:31,766 INFO L413 NwaCegarLoop]: 1142 mSDtfsCounter, 3369 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 3985 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3369 SdHoareTripleChecker+Valid, 5237 SdHoareTripleChecker+Invalid, 3989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:31,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3369 Valid, 5237 Invalid, 3989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3985 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:42:31,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:31,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.359666024405909) internal successors, (2117), 1585 states have internal predecessors, (2117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:31,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2117 transitions. [2023-12-20 03:42:31,784 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2117 transitions. Word has length 114 [2023-12-20 03:42:31,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:31,784 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2117 transitions. [2023-12-20 03:42:31,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:31,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2117 transitions. [2023-12-20 03:42:31,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:31,785 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:31,785 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:31,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2023-12-20 03:42:31,786 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:31,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:31,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1579404938, now seen corresponding path program 1 times [2023-12-20 03:42:31,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:31,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680674041] [2023-12-20 03:42:31,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:31,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:32,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:32,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680674041] [2023-12-20 03:42:32,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680674041] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:32,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:32,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:32,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63875360] [2023-12-20 03:42:32,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:32,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:32,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:32,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:32,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:32,015 INFO L87 Difference]: Start difference. First operand 1586 states and 2117 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:33,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:33,549 INFO L93 Difference]: Finished difference Result 2726 states and 3708 transitions. [2023-12-20 03:42:33,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:33,550 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:33,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:33,552 INFO L225 Difference]: With dead ends: 2726 [2023-12-20 03:42:33,552 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:33,553 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 [2023-12-20 03:42:33,553 INFO L413 NwaCegarLoop]: 1072 mSDtfsCounter, 3492 mSDsluCounter, 3537 mSDsCounter, 0 mSdLazyCounter, 3514 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3492 SdHoareTripleChecker+Valid, 4609 SdHoareTripleChecker+Invalid, 3518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:33,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3492 Valid, 4609 Invalid, 3518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3514 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:33,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:33,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3583815028901733) internal successors, (2115), 1585 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2115 transitions. [2023-12-20 03:42:33,566 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2115 transitions. Word has length 114 [2023-12-20 03:42:33,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:33,566 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2115 transitions. [2023-12-20 03:42:33,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:33,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2115 transitions. [2023-12-20 03:42:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:33,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:33,567 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:33,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2023-12-20 03:42:33,567 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:33,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:33,567 INFO L85 PathProgramCache]: Analyzing trace with hash 816296341, now seen corresponding path program 1 times [2023-12-20 03:42:33,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:33,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507546992] [2023-12-20 03:42:33,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:33,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:33,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:33,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507546992] [2023-12-20 03:42:33,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507546992] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:33,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:33,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:33,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195254944] [2023-12-20 03:42:33,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:33,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:33,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:33,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:33,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:33,747 INFO L87 Difference]: Start difference. First operand 1586 states and 2115 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:35,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:35,307 INFO L93 Difference]: Finished difference Result 2730 states and 3710 transitions. [2023-12-20 03:42:35,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:35,308 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:35,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:35,310 INFO L225 Difference]: With dead ends: 2730 [2023-12-20 03:42:35,310 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:35,311 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 [2023-12-20 03:42:35,311 INFO L413 NwaCegarLoop]: 1171 mSDtfsCounter, 3490 mSDsluCounter, 3711 mSDsCounter, 0 mSdLazyCounter, 3638 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3490 SdHoareTripleChecker+Valid, 4882 SdHoareTripleChecker+Invalid, 3641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:35,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3490 Valid, 4882 Invalid, 3641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3638 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:35,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:35,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:35,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.357096981374438) internal successors, (2113), 1585 states have internal predecessors, (2113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2113 transitions. [2023-12-20 03:42:35,324 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2113 transitions. Word has length 114 [2023-12-20 03:42:35,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:35,324 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2113 transitions. [2023-12-20 03:42:35,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2113 transitions. [2023-12-20 03:42:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:35,325 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:35,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:35,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2023-12-20 03:42:35,325 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:35,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:35,325 INFO L85 PathProgramCache]: Analyzing trace with hash -448585646, now seen corresponding path program 1 times [2023-12-20 03:42:35,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:35,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233798371] [2023-12-20 03:42:35,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:35,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:35,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:35,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233798371] [2023-12-20 03:42:35,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233798371] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:35,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:35,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:35,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910106798] [2023-12-20 03:42:35,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:35,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:35,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:35,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:35,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:35,524 INFO L87 Difference]: Start difference. First operand 1586 states and 2113 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:37,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:37,290 INFO L93 Difference]: Finished difference Result 2565 states and 3458 transitions. [2023-12-20 03:42:37,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:42:37,290 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:37,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:37,292 INFO L225 Difference]: With dead ends: 2565 [2023-12-20 03:42:37,293 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:37,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:42:37,293 INFO L413 NwaCegarLoop]: 1119 mSDtfsCounter, 5002 mSDsluCounter, 3383 mSDsCounter, 0 mSdLazyCounter, 3649 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5002 SdHoareTripleChecker+Valid, 4502 SdHoareTripleChecker+Invalid, 3652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:37,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5002 Valid, 4502 Invalid, 3652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3649 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-20 03:42:37,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:37,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3558124598587027) internal successors, (2111), 1585 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2111 transitions. [2023-12-20 03:42:37,306 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2111 transitions. Word has length 114 [2023-12-20 03:42:37,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:37,306 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2111 transitions. [2023-12-20 03:42:37,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2111 transitions. [2023-12-20 03:42:37,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:37,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:37,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:37,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2023-12-20 03:42:37,307 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:37,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:37,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1464990417, now seen corresponding path program 1 times [2023-12-20 03:42:37,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:37,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041130225] [2023-12-20 03:42:37,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:37,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:37,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:37,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041130225] [2023-12-20 03:42:37,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041130225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:37,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:37,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:37,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905496596] [2023-12-20 03:42:37,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:37,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:37,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:37,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:37,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:37,492 INFO L87 Difference]: Start difference. First operand 1586 states and 2111 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:39,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:39,059 INFO L93 Difference]: Finished difference Result 2730 states and 3704 transitions. [2023-12-20 03:42:39,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:39,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:39,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:39,061 INFO L225 Difference]: With dead ends: 2730 [2023-12-20 03:42:39,062 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:39,062 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 [2023-12-20 03:42:39,062 INFO L413 NwaCegarLoop]: 1140 mSDtfsCounter, 3361 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 3653 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 4816 SdHoareTripleChecker+Invalid, 3657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:39,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3361 Valid, 4816 Invalid, 3657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3653 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:39,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:39,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3545279383429671) internal successors, (2109), 1585 states have internal predecessors, (2109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2109 transitions. [2023-12-20 03:42:39,079 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2109 transitions. Word has length 114 [2023-12-20 03:42:39,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:39,079 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2109 transitions. [2023-12-20 03:42:39,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2109 transitions. [2023-12-20 03:42:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:39,080 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:39,080 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:39,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2023-12-20 03:42:39,080 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:39,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:39,081 INFO L85 PathProgramCache]: Analyzing trace with hash -931195966, now seen corresponding path program 1 times [2023-12-20 03:42:39,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:39,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278738454] [2023-12-20 03:42:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:39,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:39,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:39,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278738454] [2023-12-20 03:42:39,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278738454] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:39,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:39,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:39,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384082983] [2023-12-20 03:42:39,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:39,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:39,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:39,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:39,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:39,269 INFO L87 Difference]: Start difference. First operand 1586 states and 2109 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:40,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:40,795 INFO L93 Difference]: Finished difference Result 2726 states and 3696 transitions. [2023-12-20 03:42:40,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:42:40,795 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:40,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:40,797 INFO L225 Difference]: With dead ends: 2726 [2023-12-20 03:42:40,798 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:40,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:42:40,798 INFO L413 NwaCegarLoop]: 999 mSDtfsCounter, 5334 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 3267 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5334 SdHoareTripleChecker+Valid, 4106 SdHoareTripleChecker+Invalid, 3271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:40,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5334 Valid, 4106 Invalid, 3271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3267 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:40,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:40,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3532434168272318) internal successors, (2107), 1585 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2107 transitions. [2023-12-20 03:42:40,811 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2107 transitions. Word has length 114 [2023-12-20 03:42:40,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:40,811 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2107 transitions. [2023-12-20 03:42:40,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2107 transitions. [2023-12-20 03:42:40,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:40,812 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:40,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:40,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2023-12-20 03:42:40,812 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:40,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:40,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1628046504, now seen corresponding path program 1 times [2023-12-20 03:42:40,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:40,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129655314] [2023-12-20 03:42:40,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:40,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:40,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:40,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129655314] [2023-12-20 03:42:40,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129655314] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:40,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:40,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:40,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590205284] [2023-12-20 03:42:40,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:40,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:40,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:40,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:40,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:40,992 INFO L87 Difference]: Start difference. First operand 1586 states and 2107 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:42,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:42,536 INFO L93 Difference]: Finished difference Result 2734 states and 3703 transitions. [2023-12-20 03:42:42,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:42:42,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:42,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:42,538 INFO L225 Difference]: With dead ends: 2734 [2023-12-20 03:42:42,539 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:42,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:42:42,539 INFO L413 NwaCegarLoop]: 1000 mSDtfsCounter, 5335 mSDsluCounter, 3105 mSDsCounter, 0 mSdLazyCounter, 3258 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5335 SdHoareTripleChecker+Valid, 4105 SdHoareTripleChecker+Invalid, 3262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:42,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5335 Valid, 4105 Invalid, 3262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3258 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:42,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:42,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3519588953114965) internal successors, (2105), 1585 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2105 transitions. [2023-12-20 03:42:42,551 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2105 transitions. Word has length 114 [2023-12-20 03:42:42,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:42,552 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2105 transitions. [2023-12-20 03:42:42,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:42,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2105 transitions. [2023-12-20 03:42:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:42,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:42,553 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:42,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2023-12-20 03:42:42,553 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:42,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:42,553 INFO L85 PathProgramCache]: Analyzing trace with hash -754723690, now seen corresponding path program 1 times [2023-12-20 03:42:42,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:42,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171157919] [2023-12-20 03:42:42,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:42,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:42,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:42,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171157919] [2023-12-20 03:42:42,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171157919] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:42,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:42,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:42,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449173916] [2023-12-20 03:42:42,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:42,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:42,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:42,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:42,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:42,726 INFO L87 Difference]: Start difference. First operand 1586 states and 2105 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:44,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:44,393 INFO L93 Difference]: Finished difference Result 2903 states and 3932 transitions. [2023-12-20 03:42:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:42:44,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:44,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:44,396 INFO L225 Difference]: With dead ends: 2903 [2023-12-20 03:42:44,396 INFO L226 Difference]: Without dead ends: 2713 [2023-12-20 03:42:44,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:42:44,397 INFO L413 NwaCegarLoop]: 1210 mSDtfsCounter, 4713 mSDsluCounter, 3851 mSDsCounter, 0 mSdLazyCounter, 3807 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4713 SdHoareTripleChecker+Valid, 5061 SdHoareTripleChecker+Invalid, 3810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:44,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4713 Valid, 5061 Invalid, 3810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3807 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:42:44,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2023-12-20 03:42:44,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 1586. [2023-12-20 03:42:44,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3506743737957612) internal successors, (2103), 1585 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2103 transitions. [2023-12-20 03:42:44,409 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2103 transitions. Word has length 114 [2023-12-20 03:42:44,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:44,409 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2103 transitions. [2023-12-20 03:42:44,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2103 transitions. [2023-12-20 03:42:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:44,410 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:44,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:44,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2023-12-20 03:42:44,411 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:44,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:44,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1263034005, now seen corresponding path program 1 times [2023-12-20 03:42:44,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:44,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890186507] [2023-12-20 03:42:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:44,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:44,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:44,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890186507] [2023-12-20 03:42:44,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890186507] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:44,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:44,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:44,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2666893] [2023-12-20 03:42:44,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:44,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:44,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:44,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:44,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:44,589 INFO L87 Difference]: Start difference. First operand 1586 states and 2103 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:46,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:46,108 INFO L93 Difference]: Finished difference Result 2734 states and 3699 transitions. [2023-12-20 03:42:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:46,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:46,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:46,111 INFO L225 Difference]: With dead ends: 2734 [2023-12-20 03:42:46,111 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:46,112 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 [2023-12-20 03:42:46,112 INFO L413 NwaCegarLoop]: 1088 mSDtfsCounter, 3480 mSDsluCounter, 3580 mSDsCounter, 0 mSdLazyCounter, 3485 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3480 SdHoareTripleChecker+Valid, 4668 SdHoareTripleChecker+Invalid, 3489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:46,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3480 Valid, 4668 Invalid, 3489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3485 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:46,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:46,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3493898522800256) internal successors, (2101), 1585 states have internal predecessors, (2101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2101 transitions. [2023-12-20 03:42:46,124 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2101 transitions. Word has length 114 [2023-12-20 03:42:46,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:46,124 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2101 transitions. [2023-12-20 03:42:46,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2101 transitions. [2023-12-20 03:42:46,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:46,125 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:46,126 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:46,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2023-12-20 03:42:46,126 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:46,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:46,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1119736189, now seen corresponding path program 1 times [2023-12-20 03:42:46,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:46,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115713496] [2023-12-20 03:42:46,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:46,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:46,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:46,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:46,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115713496] [2023-12-20 03:42:46,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115713496] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:46,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:46,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:46,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218877146] [2023-12-20 03:42:46,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:46,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:46,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:46,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:46,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:46,300 INFO L87 Difference]: Start difference. First operand 1586 states and 2101 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:47,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:47,943 INFO L93 Difference]: Finished difference Result 2903 states and 3926 transitions. [2023-12-20 03:42:47,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:42:47,944 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:47,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:47,946 INFO L225 Difference]: With dead ends: 2903 [2023-12-20 03:42:47,946 INFO L226 Difference]: Without dead ends: 2713 [2023-12-20 03:42:47,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:42:47,947 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 4768 mSDsluCounter, 3817 mSDsCounter, 0 mSdLazyCounter, 3764 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4768 SdHoareTripleChecker+Valid, 5048 SdHoareTripleChecker+Invalid, 3768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:47,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4768 Valid, 5048 Invalid, 3768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3764 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:42:47,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2023-12-20 03:42:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 1586. [2023-12-20 03:42:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.3481053307642903) internal successors, (2099), 1585 states have internal predecessors, (2099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2099 transitions. [2023-12-20 03:42:47,960 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2099 transitions. Word has length 114 [2023-12-20 03:42:47,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:47,960 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2099 transitions. [2023-12-20 03:42:47,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2099 transitions. [2023-12-20 03:42:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:47,969 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:47,970 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:47,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2023-12-20 03:42:47,970 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:47,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:47,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1773855829, now seen corresponding path program 1 times [2023-12-20 03:42:47,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:47,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328553227] [2023-12-20 03:42:47,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:47,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:48,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:48,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328553227] [2023-12-20 03:42:48,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328553227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:48,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:48,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:48,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443800473] [2023-12-20 03:42:48,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:48,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:48,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:48,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:48,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:48,152 INFO L87 Difference]: Start difference. First operand 1586 states and 2099 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:49,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:49,723 INFO L93 Difference]: Finished difference Result 2730 states and 3690 transitions. [2023-12-20 03:42:49,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:49,723 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:49,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:49,725 INFO L225 Difference]: With dead ends: 2730 [2023-12-20 03:42:49,725 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:49,726 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 [2023-12-20 03:42:49,726 INFO L413 NwaCegarLoop]: 1198 mSDtfsCounter, 3470 mSDsluCounter, 3768 mSDsCounter, 0 mSdLazyCounter, 3646 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3470 SdHoareTripleChecker+Valid, 4966 SdHoareTripleChecker+Invalid, 3649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:49,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3470 Valid, 4966 Invalid, 3649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3646 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:49,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:49,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1586. [2023-12-20 03:42:49,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1557 states have (on average 1.346820809248555) internal successors, (2097), 1585 states have internal predecessors, (2097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:49,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 2097 transitions. [2023-12-20 03:42:49,738 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 2097 transitions. Word has length 114 [2023-12-20 03:42:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:49,738 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 2097 transitions. [2023-12-20 03:42:49,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:49,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2097 transitions. [2023-12-20 03:42:49,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:49,739 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:49,739 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:49,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2023-12-20 03:42:49,739 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:49,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:49,740 INFO L85 PathProgramCache]: Analyzing trace with hash 507897430, now seen corresponding path program 1 times [2023-12-20 03:42:49,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:49,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664106283] [2023-12-20 03:42:49,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:49,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:50,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:50,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:50,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664106283] [2023-12-20 03:42:50,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664106283] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:50,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:50,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:42:50,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173887194] [2023-12-20 03:42:50,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:50,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:42:50,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:50,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:42:50,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:42:50,036 INFO L87 Difference]: Start difference. First operand 1586 states and 2097 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:52,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:52,342 INFO L93 Difference]: Finished difference Result 3535 states and 4877 transitions. [2023-12-20 03:42:52,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:42:52,343 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:52,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:52,346 INFO L225 Difference]: With dead ends: 3535 [2023-12-20 03:42:52,346 INFO L226 Difference]: Without dead ends: 3361 [2023-12-20 03:42:52,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:42:52,347 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 9482 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 3712 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9482 SdHoareTripleChecker+Valid, 4638 SdHoareTripleChecker+Invalid, 4030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 3712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:52,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9482 Valid, 4638 Invalid, 4030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 3712 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-20 03:42:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3361 states. [2023-12-20 03:42:52,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3361 to 1594. [2023-12-20 03:42:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1565 states have (on average 1.3450479233226837) internal successors, (2105), 1593 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2105 transitions. [2023-12-20 03:42:52,363 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2105 transitions. Word has length 114 [2023-12-20 03:42:52,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:52,363 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2105 transitions. [2023-12-20 03:42:52,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2105 transitions. [2023-12-20 03:42:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:52,364 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:52,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:52,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2023-12-20 03:42:52,364 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:52,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:52,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1233359702, now seen corresponding path program 1 times [2023-12-20 03:42:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:52,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525046039] [2023-12-20 03:42:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:52,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:52,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:52,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525046039] [2023-12-20 03:42:52,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525046039] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:52,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:52,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:52,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517675634] [2023-12-20 03:42:52,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:52,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:52,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:52,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:52,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:52,541 INFO L87 Difference]: Start difference. First operand 1594 states and 2105 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:54,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:54,164 INFO L93 Difference]: Finished difference Result 2911 states and 3928 transitions. [2023-12-20 03:42:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:42:54,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:54,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:54,167 INFO L225 Difference]: With dead ends: 2911 [2023-12-20 03:42:54,167 INFO L226 Difference]: Without dead ends: 2721 [2023-12-20 03:42:54,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:42:54,167 INFO L413 NwaCegarLoop]: 1231 mSDtfsCounter, 4982 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 3695 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4982 SdHoareTripleChecker+Valid, 4993 SdHoareTripleChecker+Invalid, 3700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:54,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4982 Valid, 4993 Invalid, 3700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3695 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:42:54,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2023-12-20 03:42:54,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 1594. [2023-12-20 03:42:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1565 states have (on average 1.3437699680511181) internal successors, (2103), 1593 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2103 transitions. [2023-12-20 03:42:54,180 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2103 transitions. Word has length 114 [2023-12-20 03:42:54,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:54,180 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2103 transitions. [2023-12-20 03:42:54,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:54,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2103 transitions. [2023-12-20 03:42:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:54,182 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:54,182 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:54,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2023-12-20 03:42:54,182 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:54,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:54,182 INFO L85 PathProgramCache]: Analyzing trace with hash -678837400, now seen corresponding path program 1 times [2023-12-20 03:42:54,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:54,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830849690] [2023-12-20 03:42:54,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:54,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:54,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:54,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830849690] [2023-12-20 03:42:54,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830849690] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:54,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:54,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:54,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113726675] [2023-12-20 03:42:54,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:54,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:54,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:54,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:54,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:54,365 INFO L87 Difference]: Start difference. First operand 1594 states and 2103 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:55,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:55,896 INFO L93 Difference]: Finished difference Result 2734 states and 3689 transitions. [2023-12-20 03:42:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:42:55,896 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:55,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:55,899 INFO L225 Difference]: With dead ends: 2734 [2023-12-20 03:42:55,899 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:55,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:42:55,900 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 5207 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 3297 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5207 SdHoareTripleChecker+Valid, 4245 SdHoareTripleChecker+Invalid, 3301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:55,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5207 Valid, 4245 Invalid, 3301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3297 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:42:55,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:55,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1594. [2023-12-20 03:42:55,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1565 states have (on average 1.3424920127795528) internal successors, (2101), 1593 states have internal predecessors, (2101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2101 transitions. [2023-12-20 03:42:55,913 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2101 transitions. Word has length 114 [2023-12-20 03:42:55,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:55,913 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2101 transitions. [2023-12-20 03:42:55,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:55,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2101 transitions. [2023-12-20 03:42:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:55,914 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:55,914 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:55,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2023-12-20 03:42:55,914 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:55,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:55,914 INFO L85 PathProgramCache]: Analyzing trace with hash -168278721, now seen corresponding path program 1 times [2023-12-20 03:42:55,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:55,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721756166] [2023-12-20 03:42:55,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:55,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:56,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:56,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721756166] [2023-12-20 03:42:56,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721756166] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:56,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:56,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:56,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442445895] [2023-12-20 03:42:56,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:56,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:56,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:56,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:56,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:56,104 INFO L87 Difference]: Start difference. First operand 1594 states and 2101 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:57,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:57,684 INFO L93 Difference]: Finished difference Result 2730 states and 3682 transitions. [2023-12-20 03:42:57,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:57,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:57,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:57,687 INFO L225 Difference]: With dead ends: 2730 [2023-12-20 03:42:57,687 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:57,688 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 [2023-12-20 03:42:57,688 INFO L413 NwaCegarLoop]: 1209 mSDtfsCounter, 3462 mSDsluCounter, 3801 mSDsCounter, 0 mSdLazyCounter, 3640 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 5010 SdHoareTripleChecker+Invalid, 3643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:57,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3462 Valid, 5010 Invalid, 3643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3640 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:42:57,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:57,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1594. [2023-12-20 03:42:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1565 states have (on average 1.3412140575079872) internal successors, (2099), 1593 states have internal predecessors, (2099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:57,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2099 transitions. [2023-12-20 03:42:57,701 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2099 transitions. Word has length 114 [2023-12-20 03:42:57,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:57,701 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2099 transitions. [2023-12-20 03:42:57,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:57,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2099 transitions. [2023-12-20 03:42:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:57,702 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:57,702 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:57,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2023-12-20 03:42:57,702 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:57,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:57,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1433973975, now seen corresponding path program 1 times [2023-12-20 03:42:57,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:57,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6346748] [2023-12-20 03:42:57,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:57,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:57,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:57,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:57,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6346748] [2023-12-20 03:42:57,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6346748] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:57,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:57,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:57,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552067502] [2023-12-20 03:42:57,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:57,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:57,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:57,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:57,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:57,874 INFO L87 Difference]: Start difference. First operand 1594 states and 2099 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:59,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:42:59,667 INFO L93 Difference]: Finished difference Result 2734 states and 3685 transitions. [2023-12-20 03:42:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:42:59,667 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:42:59,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:42:59,669 INFO L225 Difference]: With dead ends: 2734 [2023-12-20 03:42:59,669 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:42:59,670 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 [2023-12-20 03:42:59,670 INFO L413 NwaCegarLoop]: 1184 mSDtfsCounter, 3338 mSDsluCounter, 4192 mSDsCounter, 0 mSdLazyCounter, 3962 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 5376 SdHoareTripleChecker+Invalid, 3966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:42:59,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 5376 Invalid, 3966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3962 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 03:42:59,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:42:59,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1594. [2023-12-20 03:42:59,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1565 states have (on average 1.3399361022364218) internal successors, (2097), 1593 states have internal predecessors, (2097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2097 transitions. [2023-12-20 03:42:59,682 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2097 transitions. Word has length 114 [2023-12-20 03:42:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:42:59,683 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2097 transitions. [2023-12-20 03:42:59,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:42:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2097 transitions. [2023-12-20 03:42:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:42:59,684 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:42:59,684 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:42:59,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2023-12-20 03:42:59,685 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:42:59,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:42:59,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1390479784, now seen corresponding path program 1 times [2023-12-20 03:42:59,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:42:59,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177636602] [2023-12-20 03:42:59,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:42:59,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:42:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:42:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:42:59,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:42:59,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177636602] [2023-12-20 03:42:59,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177636602] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:42:59,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:42:59,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:42:59,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687919249] [2023-12-20 03:42:59,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:42:59,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:42:59,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:42:59,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:42:59,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:42:59,862 INFO L87 Difference]: Start difference. First operand 1594 states and 2097 transitions. Second operand has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:01,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:01,563 INFO L93 Difference]: Finished difference Result 2730 states and 3676 transitions. [2023-12-20 03:43:01,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:01,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:43:01,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:01,566 INFO L225 Difference]: With dead ends: 2730 [2023-12-20 03:43:01,566 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:43:01,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:43:01,567 INFO L413 NwaCegarLoop]: 1085 mSDtfsCounter, 4982 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 3481 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4982 SdHoareTripleChecker+Valid, 4450 SdHoareTripleChecker+Invalid, 3484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:01,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4982 Valid, 4450 Invalid, 3484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3481 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:43:01,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:43:01,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1594. [2023-12-20 03:43:01,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 1565 states have (on average 1.3386581469648562) internal successors, (2095), 1593 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2095 transitions. [2023-12-20 03:43:01,579 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2095 transitions. Word has length 114 [2023-12-20 03:43:01,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:01,579 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2095 transitions. [2023-12-20 03:43:01,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.25) internal successors, (114), 7 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2095 transitions. [2023-12-20 03:43:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:43:01,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:01,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:01,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2023-12-20 03:43:01,581 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:01,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:01,581 INFO L85 PathProgramCache]: Analyzing trace with hash 124901704, now seen corresponding path program 1 times [2023-12-20 03:43:01,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:01,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956480936] [2023-12-20 03:43:01,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:01,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:01,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:01,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956480936] [2023-12-20 03:43:01,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956480936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:01,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:01,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:43:01,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371816697] [2023-12-20 03:43:01,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:01,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:43:01,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:01,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:43:01,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:43:01,871 INFO L87 Difference]: Start difference. First operand 1594 states and 2095 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:04,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:04,430 INFO L93 Difference]: Finished difference Result 3535 states and 4863 transitions. [2023-12-20 03:43:04,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:43:04,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:43:04,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:04,433 INFO L225 Difference]: With dead ends: 3535 [2023-12-20 03:43:04,433 INFO L226 Difference]: Without dead ends: 3361 [2023-12-20 03:43:04,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:43:04,434 INFO L413 NwaCegarLoop]: 1150 mSDtfsCounter, 8552 mSDsluCounter, 4845 mSDsCounter, 0 mSdLazyCounter, 4871 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8552 SdHoareTripleChecker+Valid, 5995 SdHoareTripleChecker+Invalid, 5179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 4871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:04,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8552 Valid, 5995 Invalid, 5179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 4871 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-20 03:43:04,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3361 states. [2023-12-20 03:43:04,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3361 to 1602. [2023-12-20 03:43:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1602 states, 1573 states have (on average 1.336935791481246) internal successors, (2103), 1601 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2103 transitions. [2023-12-20 03:43:04,449 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2103 transitions. Word has length 114 [2023-12-20 03:43:04,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:04,449 INFO L495 AbstractCegarLoop]: Abstraction has 1602 states and 2103 transitions. [2023-12-20 03:43:04,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2103 transitions. [2023-12-20 03:43:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:43:04,451 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:04,451 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:04,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2023-12-20 03:43:04,451 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:04,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:04,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2039173860, now seen corresponding path program 1 times [2023-12-20 03:43:04,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:04,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243051605] [2023-12-20 03:43:04,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:04,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:04,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:04,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243051605] [2023-12-20 03:43:04,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243051605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:04,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:04,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:43:04,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458223857] [2023-12-20 03:43:04,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:04,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:43:04,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:04,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:43:04,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:43:04,764 INFO L87 Difference]: Start difference. First operand 1602 states and 2103 transitions. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:07,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:07,050 INFO L93 Difference]: Finished difference Result 3527 states and 4851 transitions. [2023-12-20 03:43:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:43:07,050 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2023-12-20 03:43:07,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:07,054 INFO L225 Difference]: With dead ends: 3527 [2023-12-20 03:43:07,054 INFO L226 Difference]: Without dead ends: 3357 [2023-12-20 03:43:07,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:43:07,054 INFO L413 NwaCegarLoop]: 1092 mSDtfsCounter, 9412 mSDsluCounter, 3554 mSDsCounter, 0 mSdLazyCounter, 3700 mSolverCounterSat, 318 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9412 SdHoareTripleChecker+Valid, 4646 SdHoareTripleChecker+Invalid, 4018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 318 IncrementalHoareTripleChecker+Valid, 3700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:07,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9412 Valid, 4646 Invalid, 4018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [318 Valid, 3700 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-20 03:43:07,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3357 states. [2023-12-20 03:43:07,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3357 to 1610. [2023-12-20 03:43:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1581 states have (on average 1.3352308665401644) internal successors, (2111), 1609 states have internal predecessors, (2111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:07,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2111 transitions. [2023-12-20 03:43:07,068 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2111 transitions. Word has length 114 [2023-12-20 03:43:07,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:07,068 INFO L495 AbstractCegarLoop]: Abstraction has 1610 states and 2111 transitions. [2023-12-20 03:43:07,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 10 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:07,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2111 transitions. [2023-12-20 03:43:07,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:07,070 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:07,070 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:07,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2023-12-20 03:43:07,070 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:07,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:07,071 INFO L85 PathProgramCache]: Analyzing trace with hash -982897537, now seen corresponding path program 1 times [2023-12-20 03:43:07,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:07,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085488094] [2023-12-20 03:43:07,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:07,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:07,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:07,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085488094] [2023-12-20 03:43:07,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085488094] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:07,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:07,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:07,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456056520] [2023-12-20 03:43:07,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:07,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:07,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:07,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:07,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:07,292 INFO L87 Difference]: Start difference. First operand 1610 states and 2111 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:08,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:08,850 INFO L93 Difference]: Finished difference Result 2565 states and 3420 transitions. [2023-12-20 03:43:08,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:08,850 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:08,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:08,853 INFO L225 Difference]: With dead ends: 2565 [2023-12-20 03:43:08,853 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:43:08,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:08,853 INFO L413 NwaCegarLoop]: 1101 mSDtfsCounter, 5071 mSDsluCounter, 3328 mSDsCounter, 0 mSdLazyCounter, 3439 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5071 SdHoareTripleChecker+Valid, 4429 SdHoareTripleChecker+Invalid, 3443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:08,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5071 Valid, 4429 Invalid, 3443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3439 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:08,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:43:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1606. [2023-12-20 03:43:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1577 states have (on average 1.335447051363348) internal successors, (2106), 1605 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:08,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2106 transitions. [2023-12-20 03:43:08,866 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2106 transitions. Word has length 115 [2023-12-20 03:43:08,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:08,866 INFO L495 AbstractCegarLoop]: Abstraction has 1606 states and 2106 transitions. [2023-12-20 03:43:08,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2106 transitions. [2023-12-20 03:43:08,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:08,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:08,867 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:08,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2023-12-20 03:43:08,867 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:08,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:08,868 INFO L85 PathProgramCache]: Analyzing trace with hash -983539985, now seen corresponding path program 1 times [2023-12-20 03:43:08,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:08,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876546590] [2023-12-20 03:43:08,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:08,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:09,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:09,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876546590] [2023-12-20 03:43:09,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876546590] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:09,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:09,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:09,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115490283] [2023-12-20 03:43:09,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:09,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:09,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:09,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:09,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:09,033 INFO L87 Difference]: Start difference. First operand 1606 states and 2106 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:10,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:10,464 INFO L93 Difference]: Finished difference Result 2727 states and 3666 transitions. [2023-12-20 03:43:10,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:43:10,464 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:10,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:10,466 INFO L225 Difference]: With dead ends: 2727 [2023-12-20 03:43:10,466 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:43:10,466 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 [2023-12-20 03:43:10,467 INFO L413 NwaCegarLoop]: 1109 mSDtfsCounter, 4736 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 3178 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4736 SdHoareTripleChecker+Valid, 4323 SdHoareTripleChecker+Invalid, 3182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:10,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4736 Valid, 4323 Invalid, 3182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3178 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:10,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:43:10,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1606. [2023-12-20 03:43:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1577 states have (on average 1.3348129359543437) internal successors, (2105), 1605 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2105 transitions. [2023-12-20 03:43:10,479 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2105 transitions. Word has length 115 [2023-12-20 03:43:10,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:10,479 INFO L495 AbstractCegarLoop]: Abstraction has 1606 states and 2105 transitions. [2023-12-20 03:43:10,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2105 transitions. [2023-12-20 03:43:10,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:10,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:10,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:10,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2023-12-20 03:43:10,480 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:10,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:10,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1675630696, now seen corresponding path program 1 times [2023-12-20 03:43:10,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:10,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752010230] [2023-12-20 03:43:10,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:10,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:10,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:10,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752010230] [2023-12-20 03:43:10,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752010230] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:10,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:10,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:10,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515947500] [2023-12-20 03:43:10,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:10,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:10,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:10,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:10,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:10,636 INFO L87 Difference]: Start difference. First operand 1606 states and 2105 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:12,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:12,156 INFO L93 Difference]: Finished difference Result 2726 states and 3664 transitions. [2023-12-20 03:43:12,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:12,156 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:12,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:12,158 INFO L225 Difference]: With dead ends: 2726 [2023-12-20 03:43:12,158 INFO L226 Difference]: Without dead ends: 2560 [2023-12-20 03:43:12,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:12,159 INFO L413 NwaCegarLoop]: 1099 mSDtfsCounter, 3531 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 3442 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3531 SdHoareTripleChecker+Valid, 4428 SdHoareTripleChecker+Invalid, 3446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:12,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3531 Valid, 4428 Invalid, 3446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3442 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:12,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2560 states. [2023-12-20 03:43:12,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2560 to 1602. [2023-12-20 03:43:12,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1602 states, 1573 states have (on average 1.3350286077558804) internal successors, (2100), 1601 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2100 transitions. [2023-12-20 03:43:12,171 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2100 transitions. Word has length 115 [2023-12-20 03:43:12,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:12,171 INFO L495 AbstractCegarLoop]: Abstraction has 1602 states and 2100 transitions. [2023-12-20 03:43:12,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2100 transitions. [2023-12-20 03:43:12,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:12,173 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:12,173 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:12,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2023-12-20 03:43:12,173 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:12,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:12,173 INFO L85 PathProgramCache]: Analyzing trace with hash -957824337, now seen corresponding path program 1 times [2023-12-20 03:43:12,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:12,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648218548] [2023-12-20 03:43:12,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:12,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:12,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:12,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:12,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648218548] [2023-12-20 03:43:12,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648218548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:12,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:12,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:12,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439861580] [2023-12-20 03:43:12,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:12,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:12,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:12,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:12,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:12,339 INFO L87 Difference]: Start difference. First operand 1602 states and 2100 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:13,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:13,791 INFO L93 Difference]: Finished difference Result 2695 states and 3613 transitions. [2023-12-20 03:43:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:43:13,791 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:13,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:13,793 INFO L225 Difference]: With dead ends: 2695 [2023-12-20 03:43:13,793 INFO L226 Difference]: Without dead ends: 2529 [2023-12-20 03:43:13,794 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 [2023-12-20 03:43:13,794 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 4713 mSDsluCounter, 3391 mSDsCounter, 0 mSdLazyCounter, 3298 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4713 SdHoareTripleChecker+Valid, 4603 SdHoareTripleChecker+Invalid, 3302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:13,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4713 Valid, 4603 Invalid, 3302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3298 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:13,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2529 states. [2023-12-20 03:43:13,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2529 to 1605. [2023-12-20 03:43:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1576 states have (on average 1.3350253807106598) internal successors, (2104), 1604 states have internal predecessors, (2104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2104 transitions. [2023-12-20 03:43:13,806 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2104 transitions. Word has length 115 [2023-12-20 03:43:13,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:13,806 INFO L495 AbstractCegarLoop]: Abstraction has 1605 states and 2104 transitions. [2023-12-20 03:43:13,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2104 transitions. [2023-12-20 03:43:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:13,807 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:13,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:13,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2023-12-20 03:43:13,807 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:13,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:13,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1483503706, now seen corresponding path program 1 times [2023-12-20 03:43:13,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:13,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161870822] [2023-12-20 03:43:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:13,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:14,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:14,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161870822] [2023-12-20 03:43:14,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161870822] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:14,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:14,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:43:14,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634377746] [2023-12-20 03:43:14,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:14,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:43:14,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:14,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:43:14,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:43:14,084 INFO L87 Difference]: Start difference. First operand 1605 states and 2104 transitions. Second operand has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 10 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:16,300 INFO L93 Difference]: Finished difference Result 3529 states and 4850 transitions. [2023-12-20 03:43:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:43:16,300 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 10 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:16,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:16,303 INFO L225 Difference]: With dead ends: 3529 [2023-12-20 03:43:16,303 INFO L226 Difference]: Without dead ends: 3362 [2023-12-20 03:43:16,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:43:16,303 INFO L413 NwaCegarLoop]: 1094 mSDtfsCounter, 9500 mSDsluCounter, 3561 mSDsCounter, 0 mSdLazyCounter, 3682 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9500 SdHoareTripleChecker+Valid, 4655 SdHoareTripleChecker+Invalid, 3996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 3682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:16,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9500 Valid, 4655 Invalid, 3996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 3682 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-20 03:43:16,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3362 states. [2023-12-20 03:43:16,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3362 to 1609. [2023-12-20 03:43:16,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1580 states have (on average 1.3341772151898734) internal successors, (2108), 1608 states have internal predecessors, (2108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2108 transitions. [2023-12-20 03:43:16,317 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2108 transitions. Word has length 115 [2023-12-20 03:43:16,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:16,317 INFO L495 AbstractCegarLoop]: Abstraction has 1609 states and 2108 transitions. [2023-12-20 03:43:16,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 10 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:16,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2108 transitions. [2023-12-20 03:43:16,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:16,319 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:16,319 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:16,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2023-12-20 03:43:16,319 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:16,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:16,319 INFO L85 PathProgramCache]: Analyzing trace with hash -71680247, now seen corresponding path program 1 times [2023-12-20 03:43:16,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:16,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144865701] [2023-12-20 03:43:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:16,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:16,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:16,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144865701] [2023-12-20 03:43:16,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144865701] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:16,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:16,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:16,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057465818] [2023-12-20 03:43:16,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:16,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:16,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:16,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:16,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:16,489 INFO L87 Difference]: Start difference. First operand 1609 states and 2108 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:17,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:17,991 INFO L93 Difference]: Finished difference Result 2728 states and 3664 transitions. [2023-12-20 03:43:17,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:43:17,991 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:17,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:17,994 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:43:17,994 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:17,994 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 [2023-12-20 03:43:17,994 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 3451 mSDsluCounter, 3639 mSDsCounter, 0 mSdLazyCounter, 3455 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3451 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 3459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:17,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3451 Valid, 4746 Invalid, 3459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3455 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:17,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:18,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1609. [2023-12-20 03:43:18,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1609 states, 1580 states have (on average 1.3335443037974684) internal successors, (2107), 1608 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2107 transitions. [2023-12-20 03:43:18,007 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2107 transitions. Word has length 115 [2023-12-20 03:43:18,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:18,008 INFO L495 AbstractCegarLoop]: Abstraction has 1609 states and 2107 transitions. [2023-12-20 03:43:18,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:18,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2107 transitions. [2023-12-20 03:43:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:18,009 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:18,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:18,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2023-12-20 03:43:18,009 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:18,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:18,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1284494560, now seen corresponding path program 1 times [2023-12-20 03:43:18,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:18,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629414262] [2023-12-20 03:43:18,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:18,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:18,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:18,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629414262] [2023-12-20 03:43:18,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629414262] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:18,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:18,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:18,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421109230] [2023-12-20 03:43:18,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:18,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:18,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:18,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:18,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:18,183 INFO L87 Difference]: Start difference. First operand 1609 states and 2107 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:19,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:19,683 INFO L93 Difference]: Finished difference Result 2727 states and 3662 transitions. [2023-12-20 03:43:19,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:19,684 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:19,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:19,687 INFO L225 Difference]: With dead ends: 2727 [2023-12-20 03:43:19,687 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:19,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:19,688 INFO L413 NwaCegarLoop]: 1098 mSDtfsCounter, 5058 mSDsluCounter, 3326 mSDsCounter, 0 mSdLazyCounter, 3429 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5058 SdHoareTripleChecker+Valid, 4424 SdHoareTripleChecker+Invalid, 3433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:19,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5058 Valid, 4424 Invalid, 3433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3429 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:19,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:19,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1605. [2023-12-20 03:43:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1576 states have (on average 1.333756345177665) internal successors, (2102), 1604 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2102 transitions. [2023-12-20 03:43:19,702 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2102 transitions. Word has length 115 [2023-12-20 03:43:19,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:19,702 INFO L495 AbstractCegarLoop]: Abstraction has 1605 states and 2102 transitions. [2023-12-20 03:43:19,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2102 transitions. [2023-12-20 03:43:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:19,703 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:19,703 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:19,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2023-12-20 03:43:19,704 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:19,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:19,704 INFO L85 PathProgramCache]: Analyzing trace with hash -664587113, now seen corresponding path program 1 times [2023-12-20 03:43:19,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:19,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295401439] [2023-12-20 03:43:19,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:19,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:19,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:19,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295401439] [2023-12-20 03:43:19,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295401439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:19,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:19,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:19,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445782746] [2023-12-20 03:43:19,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:19,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:19,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:19,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:19,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:19,892 INFO L87 Difference]: Start difference. First operand 1605 states and 2102 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:21,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:21,531 INFO L93 Difference]: Finished difference Result 2728 states and 3662 transitions. [2023-12-20 03:43:21,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:43:21,531 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:21,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:21,533 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:43:21,533 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:21,534 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 [2023-12-20 03:43:21,534 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 3447 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 3742 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3447 SdHoareTripleChecker+Valid, 5168 SdHoareTripleChecker+Invalid, 3746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:21,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3447 Valid, 5168 Invalid, 3746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3742 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:43:21,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:21,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1605. [2023-12-20 03:43:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1576 states have (on average 1.3331218274111676) internal successors, (2101), 1604 states have internal predecessors, (2101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:21,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2101 transitions. [2023-12-20 03:43:21,548 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2101 transitions. Word has length 115 [2023-12-20 03:43:21,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:21,548 INFO L495 AbstractCegarLoop]: Abstraction has 1605 states and 2101 transitions. [2023-12-20 03:43:21,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:21,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2101 transitions. [2023-12-20 03:43:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:21,549 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:21,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:21,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2023-12-20 03:43:21,549 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:21,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:21,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1484102161, now seen corresponding path program 1 times [2023-12-20 03:43:21,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:21,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55857480] [2023-12-20 03:43:21,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:21,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:21,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:21,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55857480] [2023-12-20 03:43:21,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55857480] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:21,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:21,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:21,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173560663] [2023-12-20 03:43:21,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:21,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:21,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:21,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:21,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:21,703 INFO L87 Difference]: Start difference. First operand 1605 states and 2101 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:23,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:23,256 INFO L93 Difference]: Finished difference Result 2727 states and 3660 transitions. [2023-12-20 03:43:23,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:23,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:23,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:23,259 INFO L225 Difference]: With dead ends: 2727 [2023-12-20 03:43:23,259 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:23,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:23,260 INFO L413 NwaCegarLoop]: 1098 mSDtfsCounter, 5052 mSDsluCounter, 3326 mSDsCounter, 0 mSdLazyCounter, 3421 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5052 SdHoareTripleChecker+Valid, 4424 SdHoareTripleChecker+Invalid, 3425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:23,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5052 Valid, 4424 Invalid, 3425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3421 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:23,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:23,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1601. [2023-12-20 03:43:23,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1601 states, 1572 states have (on average 1.3333333333333333) internal successors, (2096), 1600 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1601 states and 2096 transitions. [2023-12-20 03:43:23,272 INFO L78 Accepts]: Start accepts. Automaton has 1601 states and 2096 transitions. Word has length 115 [2023-12-20 03:43:23,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:23,272 INFO L495 AbstractCegarLoop]: Abstraction has 1601 states and 2096 transitions. [2023-12-20 03:43:23,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2096 transitions. [2023-12-20 03:43:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:23,273 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:23,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:23,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2023-12-20 03:43:23,273 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:23,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:23,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1231337203, now seen corresponding path program 1 times [2023-12-20 03:43:23,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:23,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569428871] [2023-12-20 03:43:23,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:23,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:23,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:23,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569428871] [2023-12-20 03:43:23,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569428871] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:23,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:23,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:23,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563037060] [2023-12-20 03:43:23,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:23,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:23,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:23,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:23,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:23,450 INFO L87 Difference]: Start difference. First operand 1601 states and 2096 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:24,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:24,956 INFO L93 Difference]: Finished difference Result 2732 states and 3664 transitions. [2023-12-20 03:43:24,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:24,956 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:24,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:24,959 INFO L225 Difference]: With dead ends: 2732 [2023-12-20 03:43:24,959 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:24,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:24,960 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 3521 mSDsluCounter, 3335 mSDsCounter, 0 mSdLazyCounter, 3410 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3521 SdHoareTripleChecker+Valid, 4439 SdHoareTripleChecker+Invalid, 3414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:24,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3521 Valid, 4439 Invalid, 3414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3410 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:24,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:24,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1597. [2023-12-20 03:43:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1568 states have (on average 1.333545918367347) internal successors, (2091), 1596 states have internal predecessors, (2091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2091 transitions. [2023-12-20 03:43:24,972 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2091 transitions. Word has length 115 [2023-12-20 03:43:24,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:24,972 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2091 transitions. [2023-12-20 03:43:24,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2091 transitions. [2023-12-20 03:43:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:24,973 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:24,973 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:24,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2023-12-20 03:43:24,973 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:24,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:24,974 INFO L85 PathProgramCache]: Analyzing trace with hash 482379468, now seen corresponding path program 1 times [2023-12-20 03:43:24,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:24,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549894937] [2023-12-20 03:43:24,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:24,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:25,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:25,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549894937] [2023-12-20 03:43:25,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549894937] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:25,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:25,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:25,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282195636] [2023-12-20 03:43:25,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:25,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:25,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:25,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:25,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:25,161 INFO L87 Difference]: Start difference. First operand 1597 states and 2091 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:26,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:26,660 INFO L93 Difference]: Finished difference Result 2727 states and 3658 transitions. [2023-12-20 03:43:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:26,661 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:26,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:26,663 INFO L225 Difference]: With dead ends: 2727 [2023-12-20 03:43:26,663 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:26,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:43:26,664 INFO L413 NwaCegarLoop]: 1035 mSDtfsCounter, 5165 mSDsluCounter, 3215 mSDsCounter, 0 mSdLazyCounter, 3234 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5165 SdHoareTripleChecker+Valid, 4250 SdHoareTripleChecker+Invalid, 3238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:26,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5165 Valid, 4250 Invalid, 3238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3234 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:26,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:26,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1597. [2023-12-20 03:43:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1568 states have (on average 1.3329081632653061) internal successors, (2090), 1596 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2090 transitions. [2023-12-20 03:43:26,691 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2090 transitions. Word has length 115 [2023-12-20 03:43:26,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:26,692 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2090 transitions. [2023-12-20 03:43:26,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2090 transitions. [2023-12-20 03:43:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:26,693 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:26,693 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:26,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2023-12-20 03:43:26,693 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:26,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:26,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1460351819, now seen corresponding path program 1 times [2023-12-20 03:43:26,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:26,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715405451] [2023-12-20 03:43:26,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:26,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:26,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:26,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715405451] [2023-12-20 03:43:26,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715405451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:26,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:26,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:26,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893997336] [2023-12-20 03:43:26,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:26,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:26,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:26,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:26,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:26,850 INFO L87 Difference]: Start difference. First operand 1597 states and 2090 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:28,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:28,350 INFO L93 Difference]: Finished difference Result 2729 states and 3659 transitions. [2023-12-20 03:43:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:28,350 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:28,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:28,353 INFO L225 Difference]: With dead ends: 2729 [2023-12-20 03:43:28,353 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:28,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:28,353 INFO L413 NwaCegarLoop]: 1103 mSDtfsCounter, 5030 mSDsluCounter, 3339 mSDsCounter, 0 mSdLazyCounter, 3415 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5030 SdHoareTripleChecker+Valid, 4442 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:28,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5030 Valid, 4442 Invalid, 3419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3415 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:28,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:28,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1593. [2023-12-20 03:43:28,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1564 states have (on average 1.3331202046035806) internal successors, (2085), 1592 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:28,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2085 transitions. [2023-12-20 03:43:28,365 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2085 transitions. Word has length 115 [2023-12-20 03:43:28,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:28,365 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2085 transitions. [2023-12-20 03:43:28,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2085 transitions. [2023-12-20 03:43:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:28,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:28,366 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:28,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2023-12-20 03:43:28,366 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:28,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:28,367 INFO L85 PathProgramCache]: Analyzing trace with hash 532805715, now seen corresponding path program 1 times [2023-12-20 03:43:28,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:28,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153205688] [2023-12-20 03:43:28,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:28,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:28,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:28,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:28,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153205688] [2023-12-20 03:43:28,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153205688] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:28,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:28,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:28,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574830778] [2023-12-20 03:43:28,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:28,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:28,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:28,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:28,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:28,535 INFO L87 Difference]: Start difference. First operand 1593 states and 2085 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:30,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:30,050 INFO L93 Difference]: Finished difference Result 2727 states and 3656 transitions. [2023-12-20 03:43:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:30,050 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:30,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:30,052 INFO L225 Difference]: With dead ends: 2727 [2023-12-20 03:43:30,052 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:30,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:43:30,053 INFO L413 NwaCegarLoop]: 1036 mSDtfsCounter, 5155 mSDsluCounter, 3218 mSDsCounter, 0 mSdLazyCounter, 3230 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5155 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 3234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:30,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5155 Valid, 4254 Invalid, 3234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3230 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:30,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:30,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1593. [2023-12-20 03:43:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1564 states have (on average 1.3324808184143222) internal successors, (2084), 1592 states have internal predecessors, (2084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2084 transitions. [2023-12-20 03:43:30,065 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2084 transitions. Word has length 115 [2023-12-20 03:43:30,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:30,065 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2084 transitions. [2023-12-20 03:43:30,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2084 transitions. [2023-12-20 03:43:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:30,066 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:30,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:30,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2023-12-20 03:43:30,066 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:30,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:30,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1130365570, now seen corresponding path program 1 times [2023-12-20 03:43:30,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:30,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979419115] [2023-12-20 03:43:30,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:30,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:30,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:30,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979419115] [2023-12-20 03:43:30,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979419115] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:30,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:30,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:30,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262651679] [2023-12-20 03:43:30,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:30,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:30,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:30,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:30,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:30,232 INFO L87 Difference]: Start difference. First operand 1593 states and 2084 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:31,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:31,863 INFO L93 Difference]: Finished difference Result 2728 states and 3656 transitions. [2023-12-20 03:43:31,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:43:31,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:31,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:31,866 INFO L225 Difference]: With dead ends: 2728 [2023-12-20 03:43:31,866 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:31,867 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 [2023-12-20 03:43:31,867 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 3434 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 3867 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 SdHoareTripleChecker+Valid, 5503 SdHoareTripleChecker+Invalid, 3870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:31,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 5503 Invalid, 3870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3867 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-20 03:43:31,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:31,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1593. [2023-12-20 03:43:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1564 states have (on average 1.331841432225064) internal successors, (2083), 1592 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:31,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2083 transitions. [2023-12-20 03:43:31,879 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2083 transitions. Word has length 115 [2023-12-20 03:43:31,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:31,879 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2083 transitions. [2023-12-20 03:43:31,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2083 transitions. [2023-12-20 03:43:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:31,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:31,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:31,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2023-12-20 03:43:31,880 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:31,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:31,881 INFO L85 PathProgramCache]: Analyzing trace with hash 2012344705, now seen corresponding path program 1 times [2023-12-20 03:43:31,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:31,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644120089] [2023-12-20 03:43:31,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:31,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:32,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:32,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644120089] [2023-12-20 03:43:32,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644120089] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:32,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:32,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:43:32,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722867220] [2023-12-20 03:43:32,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:32,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:43:32,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:32,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:43:32,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:43:32,207 INFO L87 Difference]: Start difference. First operand 1593 states and 2083 transitions. Second operand has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 10 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:34,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:34,567 INFO L93 Difference]: Finished difference Result 3522 states and 4832 transitions. [2023-12-20 03:43:34,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:43:34,567 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 10 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:34,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:34,570 INFO L225 Difference]: With dead ends: 3522 [2023-12-20 03:43:34,570 INFO L226 Difference]: Without dead ends: 3356 [2023-12-20 03:43:34,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-20 03:43:34,571 INFO L413 NwaCegarLoop]: 1097 mSDtfsCounter, 9322 mSDsluCounter, 4195 mSDsCounter, 0 mSdLazyCounter, 4314 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9322 SdHoareTripleChecker+Valid, 5292 SdHoareTripleChecker+Invalid, 4617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 4314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:34,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9322 Valid, 5292 Invalid, 4617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 4314 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-20 03:43:34,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2023-12-20 03:43:34,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 1597. [2023-12-20 03:43:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1568 states have (on average 1.3309948979591837) internal successors, (2087), 1596 states have internal predecessors, (2087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:34,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2087 transitions. [2023-12-20 03:43:34,587 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2087 transitions. Word has length 115 [2023-12-20 03:43:34,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:34,588 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2087 transitions. [2023-12-20 03:43:34,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 10 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2087 transitions. [2023-12-20 03:43:34,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:34,589 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:34,589 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:34,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2023-12-20 03:43:34,589 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:34,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:34,589 INFO L85 PathProgramCache]: Analyzing trace with hash 801097597, now seen corresponding path program 1 times [2023-12-20 03:43:34,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:34,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180216912] [2023-12-20 03:43:34,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:34,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:34,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180216912] [2023-12-20 03:43:34,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180216912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:34,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:34,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:34,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798633845] [2023-12-20 03:43:34,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:34,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:34,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:34,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:34,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:34,770 INFO L87 Difference]: Start difference. First operand 1597 states and 2087 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:36,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:36,252 INFO L93 Difference]: Finished difference Result 2729 states and 3655 transitions. [2023-12-20 03:43:36,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:36,253 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:36,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:36,255 INFO L225 Difference]: With dead ends: 2729 [2023-12-20 03:43:36,255 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:36,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:36,256 INFO L413 NwaCegarLoop]: 1104 mSDtfsCounter, 5017 mSDsluCounter, 3342 mSDsCounter, 0 mSdLazyCounter, 3402 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5017 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 3406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:36,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5017 Valid, 4446 Invalid, 3406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3402 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:36,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:36,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1593. [2023-12-20 03:43:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1564 states have (on average 1.3312020460358056) internal successors, (2082), 1592 states have internal predecessors, (2082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2082 transitions. [2023-12-20 03:43:36,268 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2082 transitions. Word has length 115 [2023-12-20 03:43:36,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:36,268 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2082 transitions. [2023-12-20 03:43:36,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2082 transitions. [2023-12-20 03:43:36,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:36,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:36,270 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:36,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2023-12-20 03:43:36,270 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:36,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:36,270 INFO L85 PathProgramCache]: Analyzing trace with hash 13589019, now seen corresponding path program 1 times [2023-12-20 03:43:36,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:36,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325830592] [2023-12-20 03:43:36,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:36,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:36,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:36,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325830592] [2023-12-20 03:43:36,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325830592] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:36,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:36,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:36,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077374305] [2023-12-20 03:43:36,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:36,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:36,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:36,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:36,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:36,482 INFO L87 Difference]: Start difference. First operand 1593 states and 2082 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:37,981 INFO L93 Difference]: Finished difference Result 2727 states and 3652 transitions. [2023-12-20 03:43:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:37,981 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:37,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:37,984 INFO L225 Difference]: With dead ends: 2727 [2023-12-20 03:43:37,984 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:37,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:43:37,984 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 5142 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5142 SdHoareTripleChecker+Valid, 4258 SdHoareTripleChecker+Invalid, 3221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:37,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5142 Valid, 4258 Invalid, 3221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:37,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:37,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1593. [2023-12-20 03:43:37,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1564 states have (on average 1.3305626598465474) internal successors, (2081), 1592 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2081 transitions. [2023-12-20 03:43:37,997 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2081 transitions. Word has length 115 [2023-12-20 03:43:37,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:37,997 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2081 transitions. [2023-12-20 03:43:37,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:37,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2081 transitions. [2023-12-20 03:43:37,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:37,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:37,998 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:37,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2023-12-20 03:43:37,998 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:37,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:37,999 INFO L85 PathProgramCache]: Analyzing trace with hash 2017453909, now seen corresponding path program 1 times [2023-12-20 03:43:37,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:37,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441269211] [2023-12-20 03:43:37,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:37,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:38,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:38,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441269211] [2023-12-20 03:43:38,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441269211] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:38,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:38,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:38,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121892675] [2023-12-20 03:43:38,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:38,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:38,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:38,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:38,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:38,157 INFO L87 Difference]: Start difference. First operand 1593 states and 2081 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:39,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:39,656 INFO L93 Difference]: Finished difference Result 2731 states and 3655 transitions. [2023-12-20 03:43:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:39,656 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:39,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:39,659 INFO L225 Difference]: With dead ends: 2731 [2023-12-20 03:43:39,659 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:39,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:39,660 INFO L413 NwaCegarLoop]: 1107 mSDtfsCounter, 5009 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 3388 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5009 SdHoareTripleChecker+Valid, 4459 SdHoareTripleChecker+Invalid, 3392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:39,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5009 Valid, 4459 Invalid, 3392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3388 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:39,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:39,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1585. [2023-12-20 03:43:39,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1556 states have (on average 1.3309768637532133) internal successors, (2071), 1584 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2071 transitions. [2023-12-20 03:43:39,673 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2071 transitions. Word has length 115 [2023-12-20 03:43:39,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:39,673 INFO L495 AbstractCegarLoop]: Abstraction has 1585 states and 2071 transitions. [2023-12-20 03:43:39,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2071 transitions. [2023-12-20 03:43:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:39,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:39,674 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:39,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2023-12-20 03:43:39,674 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:39,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:39,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1119837715, now seen corresponding path program 1 times [2023-12-20 03:43:39,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:39,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949677885] [2023-12-20 03:43:39,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:39,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:39,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:39,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949677885] [2023-12-20 03:43:39,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949677885] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:39,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:39,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:39,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805108092] [2023-12-20 03:43:39,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:39,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:39,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:39,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:39,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:39,851 INFO L87 Difference]: Start difference. First operand 1585 states and 2071 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:41,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:41,377 INFO L93 Difference]: Finished difference Result 2566 states and 3403 transitions. [2023-12-20 03:43:41,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:41,377 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:41,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:41,380 INFO L225 Difference]: With dead ends: 2566 [2023-12-20 03:43:41,380 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:41,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:41,380 INFO L413 NwaCegarLoop]: 1110 mSDtfsCounter, 3494 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 3389 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3494 SdHoareTripleChecker+Valid, 4465 SdHoareTripleChecker+Invalid, 3393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:41,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3494 Valid, 4465 Invalid, 3393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3389 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:41,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:41,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1577. [2023-12-20 03:43:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 1548 states have (on average 1.3313953488372092) internal successors, (2061), 1576 states have internal predecessors, (2061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2061 transitions. [2023-12-20 03:43:41,393 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2061 transitions. Word has length 115 [2023-12-20 03:43:41,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:41,393 INFO L495 AbstractCegarLoop]: Abstraction has 1577 states and 2061 transitions. [2023-12-20 03:43:41,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:41,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2061 transitions. [2023-12-20 03:43:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:41,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:41,394 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:41,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2023-12-20 03:43:41,394 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:41,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:41,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1509743269, now seen corresponding path program 1 times [2023-12-20 03:43:41,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:41,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434131670] [2023-12-20 03:43:41,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:41,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:41,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:41,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434131670] [2023-12-20 03:43:41,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434131670] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:41,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:41,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:41,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848730627] [2023-12-20 03:43:41,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:41,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:41,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:41,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:41,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:41,570 INFO L87 Difference]: Start difference. First operand 1577 states and 2061 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:42,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:42,967 INFO L93 Difference]: Finished difference Result 2729 states and 3649 transitions. [2023-12-20 03:43:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:43:42,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:42,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:42,969 INFO L225 Difference]: With dead ends: 2729 [2023-12-20 03:43:42,970 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:42,970 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 [2023-12-20 03:43:42,970 INFO L413 NwaCegarLoop]: 1121 mSDtfsCounter, 4691 mSDsluCounter, 3241 mSDsCounter, 0 mSdLazyCounter, 3125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4691 SdHoareTripleChecker+Valid, 4362 SdHoareTripleChecker+Invalid, 3129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:42,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4691 Valid, 4362 Invalid, 3129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3125 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:42,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:42,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1577. [2023-12-20 03:43:42,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 1548 states have (on average 1.3301033591731266) internal successors, (2059), 1576 states have internal predecessors, (2059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:42,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 2059 transitions. [2023-12-20 03:43:42,983 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 2059 transitions. Word has length 115 [2023-12-20 03:43:42,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:42,983 INFO L495 AbstractCegarLoop]: Abstraction has 1577 states and 2059 transitions. [2023-12-20 03:43:42,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:42,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2059 transitions. [2023-12-20 03:43:42,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:42,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:42,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:42,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2023-12-20 03:43:42,984 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:42,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:42,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1701216580, now seen corresponding path program 1 times [2023-12-20 03:43:42,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:42,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198392912] [2023-12-20 03:43:42,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:42,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:43,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198392912] [2023-12-20 03:43:43,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198392912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:43,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:43,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:43,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341219902] [2023-12-20 03:43:43,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:43,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:43,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:43,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:43,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:43,150 INFO L87 Difference]: Start difference. First operand 1577 states and 2059 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:44,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:44,622 INFO L93 Difference]: Finished difference Result 2735 states and 3654 transitions. [2023-12-20 03:43:44,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:44,622 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:44,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:44,625 INFO L225 Difference]: With dead ends: 2735 [2023-12-20 03:43:44,625 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:44,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:44,626 INFO L413 NwaCegarLoop]: 1114 mSDtfsCounter, 4983 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 3385 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4983 SdHoareTripleChecker+Valid, 4479 SdHoareTripleChecker+Invalid, 3389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:44,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4983 Valid, 4479 Invalid, 3389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3385 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:44,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:44,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1569. [2023-12-20 03:43:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1540 states have (on average 1.3305194805194804) internal successors, (2049), 1568 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2049 transitions. [2023-12-20 03:43:44,638 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2049 transitions. Word has length 115 [2023-12-20 03:43:44,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:44,638 INFO L495 AbstractCegarLoop]: Abstraction has 1569 states and 2049 transitions. [2023-12-20 03:43:44,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2049 transitions. [2023-12-20 03:43:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:44,639 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:44,639 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:44,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2023-12-20 03:43:44,639 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:44,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:44,640 INFO L85 PathProgramCache]: Analyzing trace with hash -689181815, now seen corresponding path program 1 times [2023-12-20 03:43:44,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:44,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225725409] [2023-12-20 03:43:44,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:44,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:44,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:44,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225725409] [2023-12-20 03:43:44,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225725409] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:44,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:44,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:44,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655340551] [2023-12-20 03:43:44,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:44,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:44,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:44,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:44,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:44,802 INFO L87 Difference]: Start difference. First operand 1569 states and 2049 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:46,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:46,341 INFO L93 Difference]: Finished difference Result 2735 states and 3652 transitions. [2023-12-20 03:43:46,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:46,341 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:46,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:46,344 INFO L225 Difference]: With dead ends: 2735 [2023-12-20 03:43:46,344 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:46,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:46,344 INFO L413 NwaCegarLoop]: 1118 mSDtfsCounter, 4970 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 3385 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4970 SdHoareTripleChecker+Valid, 4495 SdHoareTripleChecker+Invalid, 3389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:46,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4970 Valid, 4495 Invalid, 3389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3385 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:46,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:46,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1561. [2023-12-20 03:43:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1532 states have (on average 1.330939947780679) internal successors, (2039), 1560 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:46,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2039 transitions. [2023-12-20 03:43:46,356 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2039 transitions. Word has length 115 [2023-12-20 03:43:46,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:46,356 INFO L495 AbstractCegarLoop]: Abstraction has 1561 states and 2039 transitions. [2023-12-20 03:43:46,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:46,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2039 transitions. [2023-12-20 03:43:46,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:46,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:46,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:46,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2023-12-20 03:43:46,358 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:46,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:46,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1884924460, now seen corresponding path program 1 times [2023-12-20 03:43:46,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:46,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955710488] [2023-12-20 03:43:46,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:46,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:46,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:46,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955710488] [2023-12-20 03:43:46,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955710488] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:46,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:46,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:46,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637764531] [2023-12-20 03:43:46,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:46,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:46,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:46,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:46,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:46,527 INFO L87 Difference]: Start difference. First operand 1561 states and 2039 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:48,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:48,039 INFO L93 Difference]: Finished difference Result 2727 states and 3641 transitions. [2023-12-20 03:43:48,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:43:48,040 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:48,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:48,042 INFO L225 Difference]: With dead ends: 2727 [2023-12-20 03:43:48,042 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:48,043 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 [2023-12-20 03:43:48,043 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 3418 mSDsluCounter, 3687 mSDsCounter, 0 mSdLazyCounter, 3413 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3418 SdHoareTripleChecker+Valid, 4818 SdHoareTripleChecker+Invalid, 3417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:48,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3418 Valid, 4818 Invalid, 3417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3413 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:43:48,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1561. [2023-12-20 03:43:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1561 states, 1532 states have (on average 1.3296344647519582) internal successors, (2037), 1560 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:48,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1561 states and 2037 transitions. [2023-12-20 03:43:48,056 INFO L78 Accepts]: Start accepts. Automaton has 1561 states and 2037 transitions. Word has length 115 [2023-12-20 03:43:48,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:48,056 INFO L495 AbstractCegarLoop]: Abstraction has 1561 states and 2037 transitions. [2023-12-20 03:43:48,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2037 transitions. [2023-12-20 03:43:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:43:48,057 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:48,057 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:48,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2023-12-20 03:43:48,058 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:48,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:48,058 INFO L85 PathProgramCache]: Analyzing trace with hash 208913998, now seen corresponding path program 1 times [2023-12-20 03:43:48,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:48,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642253967] [2023-12-20 03:43:48,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:48,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:48,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:48,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642253967] [2023-12-20 03:43:48,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642253967] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:48,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:48,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:43:48,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498486072] [2023-12-20 03:43:48,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:48,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:43:48,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:48,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:43:48,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:43:48,247 INFO L87 Difference]: Start difference. First operand 1561 states and 2037 transitions. Second operand has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:49,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:49,735 INFO L93 Difference]: Finished difference Result 2731 states and 3643 transitions. [2023-12-20 03:43:49,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:43:49,735 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2023-12-20 03:43:49,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:49,738 INFO L225 Difference]: With dead ends: 2731 [2023-12-20 03:43:49,738 INFO L226 Difference]: Without dead ends: 2561 [2023-12-20 03:43:49,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:43:49,739 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 4955 mSDsluCounter, 3381 mSDsCounter, 0 mSdLazyCounter, 3394 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4955 SdHoareTripleChecker+Valid, 4498 SdHoareTripleChecker+Invalid, 3398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:49,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4955 Valid, 4498 Invalid, 3398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3394 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-20 03:43:49,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2023-12-20 03:43:49,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1553. [2023-12-20 03:43:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1553 states, 1524 states have (on average 1.3300524934383202) internal successors, (2027), 1552 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2027 transitions. [2023-12-20 03:43:49,751 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2027 transitions. Word has length 115 [2023-12-20 03:43:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:49,751 INFO L495 AbstractCegarLoop]: Abstraction has 1553 states and 2027 transitions. [2023-12-20 03:43:49,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.375) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2027 transitions. [2023-12-20 03:43:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 03:43:49,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:49,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:49,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2023-12-20 03:43:49,753 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:49,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:49,753 INFO L85 PathProgramCache]: Analyzing trace with hash -700400539, now seen corresponding path program 1 times [2023-12-20 03:43:49,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:49,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018851146] [2023-12-20 03:43:49,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:49,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:50,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:50,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018851146] [2023-12-20 03:43:50,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018851146] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:50,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:50,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:43:50,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005985184] [2023-12-20 03:43:50,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:50,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-20 03:43:50,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:50,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-20 03:43:50,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-12-20 03:43:50,204 INFO L87 Difference]: Start difference. First operand 1553 states and 2027 transitions. Second operand has 10 states, 10 states have (on average 11.6) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:51,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:51,111 INFO L93 Difference]: Finished difference Result 2603 states and 3377 transitions. [2023-12-20 03:43:51,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 03:43:51,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-12-20 03:43:51,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:51,113 INFO L225 Difference]: With dead ends: 2603 [2023-12-20 03:43:51,113 INFO L226 Difference]: Without dead ends: 2024 [2023-12-20 03:43:51,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2023-12-20 03:43:51,114 INFO L413 NwaCegarLoop]: 1700 mSDtfsCounter, 4286 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 5220 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:51,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4286 Valid, 5220 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 03:43:51,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2024 states. [2023-12-20 03:43:51,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2024 to 1140. [2023-12-20 03:43:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1140 states, 1118 states have (on average 1.3300536672629697) internal successors, (1487), 1139 states have internal predecessors, (1487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 1487 transitions. [2023-12-20 03:43:51,123 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 1487 transitions. Word has length 116 [2023-12-20 03:43:51,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:51,123 INFO L495 AbstractCegarLoop]: Abstraction has 1140 states and 1487 transitions. [2023-12-20 03:43:51,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 9 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:51,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1487 transitions. [2023-12-20 03:43:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 03:43:51,124 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:51,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:51,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2023-12-20 03:43:51,125 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:51,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:51,125 INFO L85 PathProgramCache]: Analyzing trace with hash 736668301, now seen corresponding path program 1 times [2023-12-20 03:43:51,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:51,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012020207] [2023-12-20 03:43:51,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:51,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:51,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012020207] [2023-12-20 03:43:51,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012020207] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:51,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:51,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-20 03:43:51,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3747770] [2023-12-20 03:43:51,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:51,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 03:43:51,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:51,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 03:43:51,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-20 03:43:51,735 INFO L87 Difference]: Start difference. First operand 1140 states and 1487 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:52,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:52,672 INFO L93 Difference]: Finished difference Result 3842 states and 5305 transitions. [2023-12-20 03:43:52,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-20 03:43:52,672 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-12-20 03:43:52,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:52,676 INFO L225 Difference]: With dead ends: 3842 [2023-12-20 03:43:52,676 INFO L226 Difference]: Without dead ends: 3586 [2023-12-20 03:43:52,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-12-20 03:43:52,678 INFO L413 NwaCegarLoop]: 1914 mSDtfsCounter, 5484 mSDsluCounter, 9378 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5484 SdHoareTripleChecker+Valid, 11292 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:52,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5484 Valid, 11292 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:43:52,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2023-12-20 03:43:52,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 1050. [2023-12-20 03:43:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 1029 states have (on average 1.3294460641399417) internal successors, (1368), 1049 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1368 transitions. [2023-12-20 03:43:52,695 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1368 transitions. Word has length 116 [2023-12-20 03:43:52,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:52,695 INFO L495 AbstractCegarLoop]: Abstraction has 1050 states and 1368 transitions. [2023-12-20 03:43:52,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1368 transitions. [2023-12-20 03:43:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 03:43:52,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:52,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:52,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2023-12-20 03:43:52,697 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:52,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:52,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1141163554, now seen corresponding path program 1 times [2023-12-20 03:43:52,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:52,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232539968] [2023-12-20 03:43:52,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:52,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:53,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:53,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:53,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232539968] [2023-12-20 03:43:53,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232539968] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:53,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:53,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-20 03:43:53,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098184246] [2023-12-20 03:43:53,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:53,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-20 03:43:53,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:53,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-20 03:43:53,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-12-20 03:43:53,453 INFO L87 Difference]: Start difference. First operand 1050 states and 1368 transitions. Second operand has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 16 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:54,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:54,342 INFO L93 Difference]: Finished difference Result 1500 states and 2011 transitions. [2023-12-20 03:43:54,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-20 03:43:54,342 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 16 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-12-20 03:43:54,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:54,343 INFO L225 Difference]: With dead ends: 1500 [2023-12-20 03:43:54,343 INFO L226 Difference]: Without dead ends: 1040 [2023-12-20 03:43:54,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=168, Invalid=702, Unknown=0, NotChecked=0, Total=870 [2023-12-20 03:43:54,344 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 1769 mSDsluCounter, 6993 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 7702 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:54,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1769 Valid, 7702 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:43:54,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2023-12-20 03:43:54,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 868. [2023-12-20 03:43:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 848 states have (on average 1.3242924528301887) internal successors, (1123), 867 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:54,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1123 transitions. [2023-12-20 03:43:54,350 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1123 transitions. Word has length 116 [2023-12-20 03:43:54,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:54,350 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1123 transitions. [2023-12-20 03:43:54,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.823529411764706) internal successors, (116), 16 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1123 transitions. [2023-12-20 03:43:54,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 03:43:54,351 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:54,351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:54,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2023-12-20 03:43:54,351 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:54,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:54,352 INFO L85 PathProgramCache]: Analyzing trace with hash -673900795, now seen corresponding path program 1 times [2023-12-20 03:43:54,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:54,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235362419] [2023-12-20 03:43:54,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:54,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:54,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:54,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:54,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235362419] [2023-12-20 03:43:54,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235362419] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:54,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:54,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:43:54,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970411608] [2023-12-20 03:43:54,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:54,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:43:54,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:54,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:43:54,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:43:54,766 INFO L87 Difference]: Start difference. First operand 868 states and 1123 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:55,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:43:55,580 INFO L93 Difference]: Finished difference Result 1448 states and 1914 transitions. [2023-12-20 03:43:55,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:43:55,581 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-12-20 03:43:55,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:43:55,582 INFO L225 Difference]: With dead ends: 1448 [2023-12-20 03:43:55,582 INFO L226 Difference]: Without dead ends: 1276 [2023-12-20 03:43:55,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-20 03:43:55,582 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 3539 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3539 SdHoareTripleChecker+Valid, 3172 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:43:55,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3539 Valid, 3172 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:43:55,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2023-12-20 03:43:55,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 856. [2023-12-20 03:43:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 837 states have (on average 1.3213859020310634) internal successors, (1106), 855 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1106 transitions. [2023-12-20 03:43:55,588 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1106 transitions. Word has length 116 [2023-12-20 03:43:55,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:43:55,588 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1106 transitions. [2023-12-20 03:43:55,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:43:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1106 transitions. [2023-12-20 03:43:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 03:43:55,589 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:43:55,589 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:43:55,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2023-12-20 03:43:55,589 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:43:55,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:43:55,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1840549353, now seen corresponding path program 1 times [2023-12-20 03:43:55,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:43:55,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007711812] [2023-12-20 03:43:55,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:43:55,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:43:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:43:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:43:57,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:43:57,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007711812] [2023-12-20 03:43:57,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007711812] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:43:57,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:43:57,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2023-12-20 03:43:57,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183817344] [2023-12-20 03:43:57,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:43:57,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-12-20 03:43:57,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:43:57,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-12-20 03:43:57,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1217, Unknown=0, NotChecked=0, Total=1332 [2023-12-20 03:43:57,921 INFO L87 Difference]: Start difference. First operand 856 states and 1106 transitions. Second operand has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:03,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:03,557 INFO L93 Difference]: Finished difference Result 1247 states and 1675 transitions. [2023-12-20 03:44:03,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-12-20 03:44:03,557 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-12-20 03:44:03,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:03,558 INFO L225 Difference]: With dead ends: 1247 [2023-12-20 03:44:03,558 INFO L226 Difference]: Without dead ends: 1074 [2023-12-20 03:44:03,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=656, Invalid=4174, Unknown=0, NotChecked=0, Total=4830 [2023-12-20 03:44:03,559 INFO L413 NwaCegarLoop]: 671 mSDtfsCounter, 1435 mSDsluCounter, 14021 mSDsCounter, 0 mSdLazyCounter, 7592 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 14692 SdHoareTripleChecker+Invalid, 7595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:03,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 14692 Invalid, 7595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7592 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-12-20 03:44:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2023-12-20 03:44:03,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 880. [2023-12-20 03:44:03,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 861 states have (on average 1.3193960511033682) internal successors, (1136), 879 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1136 transitions. [2023-12-20 03:44:03,567 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1136 transitions. Word has length 116 [2023-12-20 03:44:03,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:03,567 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1136 transitions. [2023-12-20 03:44:03,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1136 transitions. [2023-12-20 03:44:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 03:44:03,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:03,568 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:03,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2023-12-20 03:44:03,569 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:03,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:03,569 INFO L85 PathProgramCache]: Analyzing trace with hash -615531059, now seen corresponding path program 1 times [2023-12-20 03:44:03,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:03,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637022099] [2023-12-20 03:44:03,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:03,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:04,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:04,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637022099] [2023-12-20 03:44:04,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637022099] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:04,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:04,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:44:04,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137116265] [2023-12-20 03:44:04,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:04,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:44:04,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:04,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:44:04,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:44:04,072 INFO L87 Difference]: Start difference. First operand 880 states and 1136 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:04,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:04,969 INFO L93 Difference]: Finished difference Result 2196 states and 3028 transitions. [2023-12-20 03:44:04,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:44:04,969 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-12-20 03:44:04,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:04,971 INFO L225 Difference]: With dead ends: 2196 [2023-12-20 03:44:04,971 INFO L226 Difference]: Without dead ends: 2008 [2023-12-20 03:44:04,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-20 03:44:04,972 INFO L413 NwaCegarLoop]: 1286 mSDtfsCounter, 2728 mSDsluCounter, 6140 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 7426 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:04,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 7426 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1205 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:44:04,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2023-12-20 03:44:04,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 858. [2023-12-20 03:44:04,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 841 states have (on average 1.3151010701545778) internal successors, (1106), 857 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1106 transitions. [2023-12-20 03:44:04,980 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1106 transitions. Word has length 116 [2023-12-20 03:44:04,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:04,980 INFO L495 AbstractCegarLoop]: Abstraction has 858 states and 1106 transitions. [2023-12-20 03:44:04,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 11 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1106 transitions. [2023-12-20 03:44:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 03:44:04,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:04,981 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:04,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2023-12-20 03:44:04,981 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:04,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:04,981 INFO L85 PathProgramCache]: Analyzing trace with hash 736410642, now seen corresponding path program 1 times [2023-12-20 03:44:04,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:04,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982168868] [2023-12-20 03:44:04,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:04,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:05,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:05,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982168868] [2023-12-20 03:44:05,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982168868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:05,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:05,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-20 03:44:05,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387459543] [2023-12-20 03:44:05,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:05,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 03:44:05,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:05,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 03:44:05,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-20 03:44:05,427 INFO L87 Difference]: Start difference. First operand 858 states and 1106 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:06,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:06,200 INFO L93 Difference]: Finished difference Result 3040 states and 4256 transitions. [2023-12-20 03:44:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-20 03:44:06,201 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-12-20 03:44:06,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:06,204 INFO L225 Difference]: With dead ends: 3040 [2023-12-20 03:44:06,204 INFO L226 Difference]: Without dead ends: 2762 [2023-12-20 03:44:06,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-12-20 03:44:06,205 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 3626 mSDsluCounter, 7210 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3626 SdHoareTripleChecker+Valid, 8637 SdHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:06,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3626 Valid, 8637 Invalid, 806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 03:44:06,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2023-12-20 03:44:06,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 746. [2023-12-20 03:44:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 733 states have (on average 1.30968622100955) internal successors, (960), 745 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 960 transitions. [2023-12-20 03:44:06,215 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 960 transitions. Word has length 116 [2023-12-20 03:44:06,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:06,215 INFO L495 AbstractCegarLoop]: Abstraction has 746 states and 960 transitions. [2023-12-20 03:44:06,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 960 transitions. [2023-12-20 03:44:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 03:44:06,216 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:06,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:06,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2023-12-20 03:44:06,216 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:06,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:06,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1386194619, now seen corresponding path program 1 times [2023-12-20 03:44:06,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:06,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481113330] [2023-12-20 03:44:06,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:06,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:06,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:06,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481113330] [2023-12-20 03:44:06,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481113330] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:06,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:06,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-20 03:44:06,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509776448] [2023-12-20 03:44:06,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:06,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 03:44:06,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 03:44:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-20 03:44:06,737 INFO L87 Difference]: Start difference. First operand 746 states and 960 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:07,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:07,580 INFO L93 Difference]: Finished difference Result 2738 states and 3869 transitions. [2023-12-20 03:44:07,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-20 03:44:07,580 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2023-12-20 03:44:07,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:07,582 INFO L225 Difference]: With dead ends: 2738 [2023-12-20 03:44:07,582 INFO L226 Difference]: Without dead ends: 2354 [2023-12-20 03:44:07,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-12-20 03:44:07,583 INFO L413 NwaCegarLoop]: 1050 mSDtfsCounter, 3352 mSDsluCounter, 5955 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3352 SdHoareTripleChecker+Valid, 7005 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:07,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3352 Valid, 7005 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 03:44:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2023-12-20 03:44:07,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 528. [2023-12-20 03:44:07,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 520 states have (on average 1.2980769230769231) internal successors, (675), 527 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:07,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 675 transitions. [2023-12-20 03:44:07,591 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 675 transitions. Word has length 116 [2023-12-20 03:44:07,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:07,591 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 675 transitions. [2023-12-20 03:44:07,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 12 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:07,591 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 675 transitions. [2023-12-20 03:44:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-20 03:44:07,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:07,592 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:07,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2023-12-20 03:44:07,592 INFO L420 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:07,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:07,592 INFO L85 PathProgramCache]: Analyzing trace with hash -174190764, now seen corresponding path program 1 times [2023-12-20 03:44:07,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:07,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799765041] [2023-12-20 03:44:07,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:07,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:08,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:08,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799765041] [2023-12-20 03:44:08,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799765041] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:08,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:08,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-20 03:44:08,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495904544] [2023-12-20 03:44:08,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:08,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-20 03:44:08,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:08,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-20 03:44:08,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2023-12-20 03:44:08,321 INFO L87 Difference]: Start difference. First operand 528 states and 675 transitions. Second operand has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:09,639 INFO L93 Difference]: Finished difference Result 1708 states and 2387 transitions. [2023-12-20 03:44:09,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-20 03:44:09,639 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2023-12-20 03:44:09,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:09,641 INFO L225 Difference]: With dead ends: 1708 [2023-12-20 03:44:09,641 INFO L226 Difference]: Without dead ends: 1530 [2023-12-20 03:44:09,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=241, Invalid=815, Unknown=0, NotChecked=0, Total=1056 [2023-12-20 03:44:09,641 INFO L413 NwaCegarLoop]: 613 mSDtfsCounter, 2780 mSDsluCounter, 5213 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2780 SdHoareTripleChecker+Valid, 5826 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:09,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2780 Valid, 5826 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 03:44:09,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2023-12-20 03:44:09,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 502. [2023-12-20 03:44:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 494 states have (on average 1.2935222672064777) internal successors, (639), 501 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:09,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 639 transitions. [2023-12-20 03:44:09,646 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 639 transitions. Word has length 117 [2023-12-20 03:44:09,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:09,646 INFO L495 AbstractCegarLoop]: Abstraction has 502 states and 639 transitions. [2023-12-20 03:44:09,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.882352941176471) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:09,647 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 639 transitions. [2023-12-20 03:44:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-20 03:44:09,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:09,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:09,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2023-12-20 03:44:09,647 INFO L420 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:09,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:09,647 INFO L85 PathProgramCache]: Analyzing trace with hash -2008768769, now seen corresponding path program 1 times [2023-12-20 03:44:09,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:09,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603146434] [2023-12-20 03:44:09,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:09,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:10,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:10,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603146434] [2023-12-20 03:44:10,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603146434] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:10,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:10,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:44:10,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678229817] [2023-12-20 03:44:10,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:10,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:44:10,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:10,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:44:10,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:44:10,012 INFO L87 Difference]: Start difference. First operand 502 states and 639 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:10,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:10,497 INFO L93 Difference]: Finished difference Result 764 states and 994 transitions. [2023-12-20 03:44:10,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:44:10,497 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2023-12-20 03:44:10,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:10,498 INFO L225 Difference]: With dead ends: 764 [2023-12-20 03:44:10,498 INFO L226 Difference]: Without dead ends: 760 [2023-12-20 03:44:10,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-20 03:44:10,499 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 2129 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2129 SdHoareTripleChecker+Valid, 2000 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:10,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2129 Valid, 2000 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 03:44:10,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2023-12-20 03:44:10,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 498. [2023-12-20 03:44:10,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 491 states have (on average 1.2932790224032586) internal successors, (635), 497 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 635 transitions. [2023-12-20 03:44:10,503 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 635 transitions. Word has length 117 [2023-12-20 03:44:10,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:10,503 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 635 transitions. [2023-12-20 03:44:10,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:10,503 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 635 transitions. [2023-12-20 03:44:10,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-20 03:44:10,503 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:10,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:10,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2023-12-20 03:44:10,503 INFO L420 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:10,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:10,504 INFO L85 PathProgramCache]: Analyzing trace with hash 505681379, now seen corresponding path program 1 times [2023-12-20 03:44:10,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:10,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257420915] [2023-12-20 03:44:10,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:10,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:10,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:10,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257420915] [2023-12-20 03:44:10,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257420915] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:10,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:10,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:44:10,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928232589] [2023-12-20 03:44:10,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:10,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:44:10,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:10,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:44:10,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:44:10,902 INFO L87 Difference]: Start difference. First operand 498 states and 635 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:11,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:11,335 INFO L93 Difference]: Finished difference Result 928 states and 1249 transitions. [2023-12-20 03:44:11,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:44:11,335 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2023-12-20 03:44:11,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:11,336 INFO L225 Difference]: With dead ends: 928 [2023-12-20 03:44:11,336 INFO L226 Difference]: Without dead ends: 746 [2023-12-20 03:44:11,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2023-12-20 03:44:11,337 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 1409 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 2022 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:11,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 2022 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:44:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2023-12-20 03:44:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 476. [2023-12-20 03:44:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 470 states have (on average 1.2914893617021277) internal successors, (607), 475 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 607 transitions. [2023-12-20 03:44:11,340 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 607 transitions. Word has length 117 [2023-12-20 03:44:11,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:11,340 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 607 transitions. [2023-12-20 03:44:11,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 607 transitions. [2023-12-20 03:44:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-20 03:44:11,341 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:11,341 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:11,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2023-12-20 03:44:11,341 INFO L420 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:11,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:11,341 INFO L85 PathProgramCache]: Analyzing trace with hash 57960617, now seen corresponding path program 1 times [2023-12-20 03:44:11,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:11,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757702523] [2023-12-20 03:44:11,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:11,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:11,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:11,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757702523] [2023-12-20 03:44:11,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757702523] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:11,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:11,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:44:11,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140678853] [2023-12-20 03:44:11,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:11,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:44:11,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:11,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:44:11,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:44:11,741 INFO L87 Difference]: Start difference. First operand 476 states and 607 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:12,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:12,182 INFO L93 Difference]: Finished difference Result 976 states and 1304 transitions. [2023-12-20 03:44:12,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:44:12,182 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2023-12-20 03:44:12,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:12,183 INFO L225 Difference]: With dead ends: 976 [2023-12-20 03:44:12,183 INFO L226 Difference]: Without dead ends: 768 [2023-12-20 03:44:12,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-20 03:44:12,183 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 1593 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 3487 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:12,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 3487 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:44:12,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2023-12-20 03:44:12,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 418. [2023-12-20 03:44:12,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 413 states have (on average 1.2929782082324455) internal successors, (534), 417 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:12,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 534 transitions. [2023-12-20 03:44:12,187 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 534 transitions. Word has length 117 [2023-12-20 03:44:12,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:12,187 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 534 transitions. [2023-12-20 03:44:12,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 534 transitions. [2023-12-20 03:44:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-20 03:44:12,187 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:12,188 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:12,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2023-12-20 03:44:12,188 INFO L420 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:12,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:12,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1299422890, now seen corresponding path program 1 times [2023-12-20 03:44:12,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:12,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380157006] [2023-12-20 03:44:12,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:12,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:12,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:12,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380157006] [2023-12-20 03:44:12,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380157006] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:12,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:12,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:44:12,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770960885] [2023-12-20 03:44:12,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:12,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:44:12,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:12,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:44:12,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:44:12,507 INFO L87 Difference]: Start difference. First operand 418 states and 534 transitions. Second operand has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 10 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:13,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:13,275 INFO L93 Difference]: Finished difference Result 1062 states and 1459 transitions. [2023-12-20 03:44:13,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-20 03:44:13,276 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 10 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2023-12-20 03:44:13,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:13,277 INFO L225 Difference]: With dead ends: 1062 [2023-12-20 03:44:13,277 INFO L226 Difference]: Without dead ends: 1055 [2023-12-20 03:44:13,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2023-12-20 03:44:13,277 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 3501 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3501 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:13,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3501 Valid, 1151 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:44:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2023-12-20 03:44:13,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 422. [2023-12-20 03:44:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 417 states have (on average 1.290167865707434) internal successors, (538), 421 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 538 transitions. [2023-12-20 03:44:13,281 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 538 transitions. Word has length 117 [2023-12-20 03:44:13,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:13,281 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 538 transitions. [2023-12-20 03:44:13,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 10 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 538 transitions. [2023-12-20 03:44:13,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-20 03:44:13,282 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:13,282 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:13,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2023-12-20 03:44:13,282 INFO L420 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:13,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:13,283 INFO L85 PathProgramCache]: Analyzing trace with hash 760012078, now seen corresponding path program 1 times [2023-12-20 03:44:13,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:13,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894860443] [2023-12-20 03:44:13,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:13,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:13,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:13,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894860443] [2023-12-20 03:44:13,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894860443] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:13,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:13,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:44:13,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454930774] [2023-12-20 03:44:13,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:13,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:44:13,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:13,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:44:13,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:44:13,679 INFO L87 Difference]: Start difference. First operand 422 states and 538 transitions. Second operand has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:14,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:14,184 INFO L93 Difference]: Finished difference Result 1256 states and 1742 transitions. [2023-12-20 03:44:14,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:44:14,184 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2023-12-20 03:44:14,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:14,185 INFO L225 Difference]: With dead ends: 1256 [2023-12-20 03:44:14,185 INFO L226 Difference]: Without dead ends: 1046 [2023-12-20 03:44:14,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-20 03:44:14,185 INFO L413 NwaCegarLoop]: 731 mSDtfsCounter, 1479 mSDsluCounter, 2823 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 3554 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:14,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1479 Valid, 3554 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:44:14,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2023-12-20 03:44:14,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 378. [2023-12-20 03:44:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 375 states have (on average 1.296) internal successors, (486), 377 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 486 transitions. [2023-12-20 03:44:14,190 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 486 transitions. Word has length 117 [2023-12-20 03:44:14,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:14,190 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 486 transitions. [2023-12-20 03:44:14,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.75) internal successors, (117), 11 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 486 transitions. [2023-12-20 03:44:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-20 03:44:14,191 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:14,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:14,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2023-12-20 03:44:14,191 INFO L420 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:14,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:14,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2011872188, now seen corresponding path program 1 times [2023-12-20 03:44:14,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:14,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328006609] [2023-12-20 03:44:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:14,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:14,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:14,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328006609] [2023-12-20 03:44:14,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328006609] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:14,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:14,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:44:14,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409729635] [2023-12-20 03:44:14,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:14,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:44:14,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:14,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:44:14,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:44:14,361 INFO L87 Difference]: Start difference. First operand 378 states and 486 transitions. Second operand has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:14,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:14,763 INFO L93 Difference]: Finished difference Result 808 states and 1100 transitions. [2023-12-20 03:44:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:44:14,764 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 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 117 [2023-12-20 03:44:14,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:14,764 INFO L225 Difference]: With dead ends: 808 [2023-12-20 03:44:14,764 INFO L226 Difference]: Without dead ends: 612 [2023-12-20 03:44:14,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2023-12-20 03:44:14,765 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1098 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:14,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 961 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 03:44:14,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2023-12-20 03:44:14,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 378. [2023-12-20 03:44:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 375 states have (on average 1.2906666666666666) internal successors, (484), 377 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 484 transitions. [2023-12-20 03:44:14,768 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 484 transitions. Word has length 117 [2023-12-20 03:44:14,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:14,768 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 484 transitions. [2023-12-20 03:44:14,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 484 transitions. [2023-12-20 03:44:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-20 03:44:14,768 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:14,768 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:14,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2023-12-20 03:44:14,769 INFO L420 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:14,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:14,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1426777745, now seen corresponding path program 1 times [2023-12-20 03:44:14,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:14,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020565630] [2023-12-20 03:44:14,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:14,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:15,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:15,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020565630] [2023-12-20 03:44:15,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020565630] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:15,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:15,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:44:15,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082011116] [2023-12-20 03:44:15,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:15,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:44:15,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:15,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:44:15,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:44:15,051 INFO L87 Difference]: Start difference. First operand 378 states and 484 transitions. Second operand has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 10 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:15,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:15,798 INFO L93 Difference]: Finished difference Result 1008 states and 1394 transitions. [2023-12-20 03:44:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-20 03:44:15,798 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 10 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2023-12-20 03:44:15,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:15,799 INFO L225 Difference]: With dead ends: 1008 [2023-12-20 03:44:15,799 INFO L226 Difference]: Without dead ends: 1001 [2023-12-20 03:44:15,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2023-12-20 03:44:15,800 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 2397 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:15,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 1406 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:44:15,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2023-12-20 03:44:15,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 382. [2023-12-20 03:44:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 379 states have (on average 1.287598944591029) internal successors, (488), 381 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 488 transitions. [2023-12-20 03:44:15,803 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 488 transitions. Word has length 118 [2023-12-20 03:44:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:15,803 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 488 transitions. [2023-12-20 03:44:15,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 10 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 488 transitions. [2023-12-20 03:44:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-20 03:44:15,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:15,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:15,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2023-12-20 03:44:15,804 INFO L420 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:15,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:15,804 INFO L85 PathProgramCache]: Analyzing trace with hash 651757123, now seen corresponding path program 1 times [2023-12-20 03:44:15,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:15,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230730667] [2023-12-20 03:44:15,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:15,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:15,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:15,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:15,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230730667] [2023-12-20 03:44:15,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230730667] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:15,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:15,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:44:15,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584746754] [2023-12-20 03:44:15,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:15,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:44:15,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:15,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:44:15,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:44:15,963 INFO L87 Difference]: Start difference. First operand 382 states and 488 transitions. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:16,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:16,368 INFO L93 Difference]: Finished difference Result 601 states and 795 transitions. [2023-12-20 03:44:16,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-20 03:44:16,368 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2023-12-20 03:44:16,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:16,369 INFO L225 Difference]: With dead ends: 601 [2023-12-20 03:44:16,369 INFO L226 Difference]: Without dead ends: 594 [2023-12-20 03:44:16,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2023-12-20 03:44:16,369 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 669 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:16,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 1082 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 03:44:16,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2023-12-20 03:44:16,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 378. [2023-12-20 03:44:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 375 states have (on average 1.288) internal successors, (483), 377 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 483 transitions. [2023-12-20 03:44:16,372 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 483 transitions. Word has length 119 [2023-12-20 03:44:16,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:16,372 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 483 transitions. [2023-12-20 03:44:16,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 483 transitions. [2023-12-20 03:44:16,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-20 03:44:16,373 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:16,373 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:16,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2023-12-20 03:44:16,373 INFO L420 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:16,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:16,373 INFO L85 PathProgramCache]: Analyzing trace with hash -2078533446, now seen corresponding path program 1 times [2023-12-20 03:44:16,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:16,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636275696] [2023-12-20 03:44:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:16,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:16,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:16,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:16,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636275696] [2023-12-20 03:44:16,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636275696] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:16,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:16,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:44:16,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194066938] [2023-12-20 03:44:16,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:16,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:44:16,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:16,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:44:16,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:44:16,761 INFO L87 Difference]: Start difference. First operand 378 states and 483 transitions. Second operand has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:17,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:17,242 INFO L93 Difference]: Finished difference Result 944 states and 1307 transitions. [2023-12-20 03:44:17,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:44:17,242 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2023-12-20 03:44:17,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:17,243 INFO L225 Difference]: With dead ends: 944 [2023-12-20 03:44:17,243 INFO L226 Difference]: Without dead ends: 938 [2023-12-20 03:44:17,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-20 03:44:17,243 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 1598 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1598 SdHoareTripleChecker+Valid, 3485 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:17,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1598 Valid, 3485 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:44:17,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2023-12-20 03:44:17,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 372. [2023-12-20 03:44:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 370 states have (on average 1.2864864864864864) internal successors, (476), 371 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:17,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 476 transitions. [2023-12-20 03:44:17,247 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 476 transitions. Word has length 119 [2023-12-20 03:44:17,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:17,247 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 476 transitions. [2023-12-20 03:44:17,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.916666666666666) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 476 transitions. [2023-12-20 03:44:17,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-20 03:44:17,248 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:17,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:17,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2023-12-20 03:44:17,248 INFO L420 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:17,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:17,248 INFO L85 PathProgramCache]: Analyzing trace with hash 377251423, now seen corresponding path program 1 times [2023-12-20 03:44:17,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:17,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906774777] [2023-12-20 03:44:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:17,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:17,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:17,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906774777] [2023-12-20 03:44:17,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906774777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:17,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:17,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-12-20 03:44:17,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162626282] [2023-12-20 03:44:17,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:17,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-20 03:44:17,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:17,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-20 03:44:17,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2023-12-20 03:44:17,892 INFO L87 Difference]: Start difference. First operand 372 states and 476 transitions. Second operand has 17 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 16 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:18,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:18,801 INFO L93 Difference]: Finished difference Result 606 states and 804 transitions. [2023-12-20 03:44:18,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-20 03:44:18,801 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 16 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2023-12-20 03:44:18,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:18,802 INFO L225 Difference]: With dead ends: 606 [2023-12-20 03:44:18,802 INFO L226 Difference]: Without dead ends: 570 [2023-12-20 03:44:18,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=181, Invalid=749, Unknown=0, NotChecked=0, Total=930 [2023-12-20 03:44:18,802 INFO L413 NwaCegarLoop]: 378 mSDtfsCounter, 799 mSDsluCounter, 3555 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 3933 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:18,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 3933 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 03:44:18,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2023-12-20 03:44:18,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 336. [2023-12-20 03:44:18,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 335 states have (on average 1.2985074626865671) internal successors, (435), 335 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 435 transitions. [2023-12-20 03:44:18,805 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 435 transitions. Word has length 120 [2023-12-20 03:44:18,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:18,805 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 435 transitions. [2023-12-20 03:44:18,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.0588235294117645) internal successors, (120), 16 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 435 transitions. [2023-12-20 03:44:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-20 03:44:18,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:18,806 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:18,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2023-12-20 03:44:18,806 INFO L420 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:18,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:18,806 INFO L85 PathProgramCache]: Analyzing trace with hash 273399685, now seen corresponding path program 1 times [2023-12-20 03:44:18,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:18,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281676769] [2023-12-20 03:44:18,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:18,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:18,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:18,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281676769] [2023-12-20 03:44:18,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281676769] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:18,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:18,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:44:18,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924202291] [2023-12-20 03:44:18,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:18,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 03:44:18,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:18,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 03:44:18,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:18,983 INFO L87 Difference]: Start difference. First operand 336 states and 435 transitions. Second operand has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:19,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:19,244 INFO L93 Difference]: Finished difference Result 2660 states and 3935 transitions. [2023-12-20 03:44:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:44:19,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 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 154 [2023-12-20 03:44:19,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:19,246 INFO L225 Difference]: With dead ends: 2660 [2023-12-20 03:44:19,246 INFO L226 Difference]: Without dead ends: 2494 [2023-12-20 03:44:19,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=256, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:44:19,247 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 2720 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2720 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:19,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2720 Valid, 3736 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:44:19,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2023-12-20 03:44:19,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 500. [2023-12-20 03:44:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 499 states have (on average 1.3627254509018036) internal successors, (680), 499 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 680 transitions. [2023-12-20 03:44:19,256 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 680 transitions. Word has length 154 [2023-12-20 03:44:19,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:19,257 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 680 transitions. [2023-12-20 03:44:19,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.11111111111111) internal successors, (154), 9 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 680 transitions. [2023-12-20 03:44:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-20 03:44:19,257 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:19,257 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:19,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2023-12-20 03:44:19,257 INFO L420 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:19,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:19,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1948957384, now seen corresponding path program 1 times [2023-12-20 03:44:19,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:19,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692067837] [2023-12-20 03:44:19,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:19,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692067837] [2023-12-20 03:44:19,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692067837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:19,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:19,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:44:19,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789375762] [2023-12-20 03:44:19,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:19,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 03:44:19,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:19,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 03:44:19,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:19,403 INFO L87 Difference]: Start difference. First operand 500 states and 680 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:19,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:19,567 INFO L93 Difference]: Finished difference Result 2976 states and 4391 transitions. [2023-12-20 03:44:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:44:19,567 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2023-12-20 03:44:19,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:19,570 INFO L225 Difference]: With dead ends: 2976 [2023-12-20 03:44:19,570 INFO L226 Difference]: Without dead ends: 2646 [2023-12-20 03:44:19,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-12-20 03:44:19,571 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 2216 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2216 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:19,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2216 Valid, 2172 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:44:19,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2646 states. [2023-12-20 03:44:19,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2646 to 828. [2023-12-20 03:44:19,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 827 states have (on average 1.4171704957678355) internal successors, (1172), 827 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:19,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1172 transitions. [2023-12-20 03:44:19,584 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1172 transitions. Word has length 156 [2023-12-20 03:44:19,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:19,584 INFO L495 AbstractCegarLoop]: Abstraction has 828 states and 1172 transitions. [2023-12-20 03:44:19,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:19,585 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1172 transitions. [2023-12-20 03:44:19,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-20 03:44:19,585 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:19,585 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:19,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2023-12-20 03:44:19,585 INFO L420 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:19,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:19,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1415017602, now seen corresponding path program 1 times [2023-12-20 03:44:19,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:19,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093620775] [2023-12-20 03:44:19,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:19,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:19,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:19,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093620775] [2023-12-20 03:44:19,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093620775] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:19,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:19,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:44:19,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905588680] [2023-12-20 03:44:19,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:19,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 03:44:19,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:19,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 03:44:19,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:19,727 INFO L87 Difference]: Start difference. First operand 828 states and 1172 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:19,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:19,877 INFO L93 Difference]: Finished difference Result 3304 states and 4883 transitions. [2023-12-20 03:44:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:44:19,877 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2023-12-20 03:44:19,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:19,879 INFO L225 Difference]: With dead ends: 3304 [2023-12-20 03:44:19,879 INFO L226 Difference]: Without dead ends: 2974 [2023-12-20 03:44:19,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-12-20 03:44:19,880 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 2286 mSDsluCounter, 1584 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:19,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2286 Valid, 1959 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:44:19,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states. [2023-12-20 03:44:19,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 1320. [2023-12-20 03:44:19,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.447308567096285) internal successors, (1909), 1319 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1909 transitions. [2023-12-20 03:44:19,893 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1909 transitions. Word has length 156 [2023-12-20 03:44:19,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:19,893 INFO L495 AbstractCegarLoop]: Abstraction has 1320 states and 1909 transitions. [2023-12-20 03:44:19,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:19,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1909 transitions. [2023-12-20 03:44:19,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-20 03:44:19,894 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:19,894 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:19,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2023-12-20 03:44:19,894 INFO L420 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:19,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1971304772, now seen corresponding path program 1 times [2023-12-20 03:44:19,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:19,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471858920] [2023-12-20 03:44:19,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:20,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:20,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471858920] [2023-12-20 03:44:20,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471858920] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:20,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:20,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:44:20,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220406583] [2023-12-20 03:44:20,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:20,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 03:44:20,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:20,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 03:44:20,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:20,038 INFO L87 Difference]: Start difference. First operand 1320 states and 1909 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:20,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:20,189 INFO L93 Difference]: Finished difference Result 3632 states and 5375 transitions. [2023-12-20 03:44:20,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:44:20,190 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2023-12-20 03:44:20,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:20,193 INFO L225 Difference]: With dead ends: 3632 [2023-12-20 03:44:20,193 INFO L226 Difference]: Without dead ends: 3302 [2023-12-20 03:44:20,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-12-20 03:44:20,194 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 2526 mSDsluCounter, 1538 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2526 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:20,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2526 Valid, 1908 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:44:20,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2023-12-20 03:44:20,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 1648. [2023-12-20 03:44:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1647 states have (on average 1.4578020643594414) internal successors, (2401), 1647 states have internal predecessors, (2401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2401 transitions. [2023-12-20 03:44:20,209 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2401 transitions. Word has length 156 [2023-12-20 03:44:20,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:20,209 INFO L495 AbstractCegarLoop]: Abstraction has 1648 states and 2401 transitions. [2023-12-20 03:44:20,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2401 transitions. [2023-12-20 03:44:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-20 03:44:20,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:20,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:20,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2023-12-20 03:44:20,210 INFO L420 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:20,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:20,211 INFO L85 PathProgramCache]: Analyzing trace with hash 310368519, now seen corresponding path program 1 times [2023-12-20 03:44:20,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:20,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959753305] [2023-12-20 03:44:20,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:20,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:20,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:20,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959753305] [2023-12-20 03:44:20,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959753305] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:20,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:20,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:44:20,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993744615] [2023-12-20 03:44:20,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:20,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 03:44:20,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:20,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 03:44:20,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:20,460 INFO L87 Difference]: Start difference. First operand 1648 states and 2401 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:20,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:20,675 INFO L93 Difference]: Finished difference Result 3128 states and 4618 transitions. [2023-12-20 03:44:20,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:44:20,675 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2023-12-20 03:44:20,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:20,676 INFO L225 Difference]: With dead ends: 3128 [2023-12-20 03:44:20,676 INFO L226 Difference]: Without dead ends: 1650 [2023-12-20 03:44:20,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2023-12-20 03:44:20,677 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 560 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:20,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 988 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:44:20,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2023-12-20 03:44:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1648. [2023-12-20 03:44:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1647 states have (on average 1.4517304189435336) internal successors, (2391), 1647 states have internal predecessors, (2391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2391 transitions. [2023-12-20 03:44:20,687 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2391 transitions. Word has length 156 [2023-12-20 03:44:20,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:20,688 INFO L495 AbstractCegarLoop]: Abstraction has 1648 states and 2391 transitions. [2023-12-20 03:44:20,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:20,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2391 transitions. [2023-12-20 03:44:20,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-20 03:44:20,688 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:20,688 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:20,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2023-12-20 03:44:20,689 INFO L420 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:20,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:20,689 INFO L85 PathProgramCache]: Analyzing trace with hash -429371802, now seen corresponding path program 1 times [2023-12-20 03:44:20,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:20,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001106776] [2023-12-20 03:44:20,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:20,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:20,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:20,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001106776] [2023-12-20 03:44:20,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001106776] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:20,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:20,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:44:20,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703697366] [2023-12-20 03:44:20,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:20,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:44:20,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:20,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:44:20,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:44:20,750 INFO L87 Difference]: Start difference. First operand 1648 states and 2391 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:20,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:20,776 INFO L93 Difference]: Finished difference Result 4488 states and 6609 transitions. [2023-12-20 03:44:20,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:44:20,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2023-12-20 03:44:20,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:20,778 INFO L225 Difference]: With dead ends: 4488 [2023-12-20 03:44:20,778 INFO L226 Difference]: Without dead ends: 3010 [2023-12-20 03:44:20,779 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 [2023-12-20 03:44:20,780 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 158 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:20,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 420 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:20,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3010 states. [2023-12-20 03:44:20,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3010 to 2990. [2023-12-20 03:44:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2990 states, 2989 states have (on average 1.451321512211442) internal successors, (4338), 2989 states have internal predecessors, (4338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 4338 transitions. [2023-12-20 03:44:20,802 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 4338 transitions. Word has length 156 [2023-12-20 03:44:20,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:20,802 INFO L495 AbstractCegarLoop]: Abstraction has 2990 states and 4338 transitions. [2023-12-20 03:44:20,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 4338 transitions. [2023-12-20 03:44:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-20 03:44:20,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:20,803 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:20,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2023-12-20 03:44:20,803 INFO L420 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:20,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:20,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1336816816, now seen corresponding path program 1 times [2023-12-20 03:44:20,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:20,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717138152] [2023-12-20 03:44:20,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:20,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:20,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:20,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717138152] [2023-12-20 03:44:20,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717138152] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:20,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:20,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:44:20,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453633742] [2023-12-20 03:44:20,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:20,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 03:44:20,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:20,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 03:44:20,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:20,945 INFO L87 Difference]: Start difference. First operand 2990 states and 4338 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:21,108 INFO L93 Difference]: Finished difference Result 7388 states and 10828 transitions. [2023-12-20 03:44:21,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:44:21,109 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2023-12-20 03:44:21,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:21,114 INFO L225 Difference]: With dead ends: 7388 [2023-12-20 03:44:21,114 INFO L226 Difference]: Without dead ends: 6760 [2023-12-20 03:44:21,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-12-20 03:44:21,115 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 2316 mSDsluCounter, 1705 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 2081 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:21,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2316 Valid, 2081 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:44:21,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6760 states. [2023-12-20 03:44:21,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6760 to 3616. [2023-12-20 03:44:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3616 states, 3615 states have (on average 1.4550484094052558) internal successors, (5260), 3615 states have internal predecessors, (5260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3616 states and 5260 transitions. [2023-12-20 03:44:21,148 INFO L78 Accepts]: Start accepts. Automaton has 3616 states and 5260 transitions. Word has length 156 [2023-12-20 03:44:21,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:21,149 INFO L495 AbstractCegarLoop]: Abstraction has 3616 states and 5260 transitions. [2023-12-20 03:44:21,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3616 states and 5260 transitions. [2023-12-20 03:44:21,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-20 03:44:21,150 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:21,150 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:21,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2023-12-20 03:44:21,150 INFO L420 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:21,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:21,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1838730890, now seen corresponding path program 1 times [2023-12-20 03:44:21,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:21,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961725701] [2023-12-20 03:44:21,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:21,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:21,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:21,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961725701] [2023-12-20 03:44:21,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961725701] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:21,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:21,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:44:21,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430024178] [2023-12-20 03:44:21,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:21,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 03:44:21,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:21,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 03:44:21,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:21,304 INFO L87 Difference]: Start difference. First operand 3616 states and 5260 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:21,481 INFO L93 Difference]: Finished difference Result 8014 states and 11750 transitions. [2023-12-20 03:44:21,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:44:21,481 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2023-12-20 03:44:21,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:21,486 INFO L225 Difference]: With dead ends: 8014 [2023-12-20 03:44:21,486 INFO L226 Difference]: Without dead ends: 7386 [2023-12-20 03:44:21,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-12-20 03:44:21,488 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 2096 mSDsluCounter, 1960 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 2336 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:21,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2096 Valid, 2336 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:44:21,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7386 states. [2023-12-20 03:44:21,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7386 to 4242. [2023-12-20 03:44:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4242 states, 4241 states have (on average 1.4576750766328697) internal successors, (6182), 4241 states have internal predecessors, (6182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 4242 states and 6182 transitions. [2023-12-20 03:44:21,526 INFO L78 Accepts]: Start accepts. Automaton has 4242 states and 6182 transitions. Word has length 156 [2023-12-20 03:44:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:21,526 INFO L495 AbstractCegarLoop]: Abstraction has 4242 states and 6182 transitions. [2023-12-20 03:44:21,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,526 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 6182 transitions. [2023-12-20 03:44:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-20 03:44:21,527 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:21,527 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:21,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2023-12-20 03:44:21,527 INFO L420 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:21,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:21,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1981290894, now seen corresponding path program 1 times [2023-12-20 03:44:21,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:21,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092221562] [2023-12-20 03:44:21,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:21,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:21,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:21,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092221562] [2023-12-20 03:44:21,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092221562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:21,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:21,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:44:21,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835831672] [2023-12-20 03:44:21,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:21,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 03:44:21,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:21,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 03:44:21,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:21,673 INFO L87 Difference]: Start difference. First operand 4242 states and 6182 transitions. Second operand has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:21,858 INFO L93 Difference]: Finished difference Result 8640 states and 12672 transitions. [2023-12-20 03:44:21,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:44:21,858 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 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 156 [2023-12-20 03:44:21,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:21,864 INFO L225 Difference]: With dead ends: 8640 [2023-12-20 03:44:21,864 INFO L226 Difference]: Without dead ends: 8012 [2023-12-20 03:44:21,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-12-20 03:44:21,866 INFO L413 NwaCegarLoop]: 372 mSDtfsCounter, 2119 mSDsluCounter, 2319 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2119 SdHoareTripleChecker+Valid, 2691 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:21,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2119 Valid, 2691 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:44:21,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8012 states. [2023-12-20 03:44:21,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8012 to 4868. [2023-12-20 03:44:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4868 states, 4867 states have (on average 1.4596260530100678) internal successors, (7104), 4867 states have internal predecessors, (7104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4868 states to 4868 states and 7104 transitions. [2023-12-20 03:44:21,903 INFO L78 Accepts]: Start accepts. Automaton has 4868 states and 7104 transitions. Word has length 156 [2023-12-20 03:44:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:21,903 INFO L495 AbstractCegarLoop]: Abstraction has 4868 states and 7104 transitions. [2023-12-20 03:44:21,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.333333333333332) internal successors, (156), 9 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 4868 states and 7104 transitions. [2023-12-20 03:44:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-20 03:44:21,905 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:21,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:21,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2023-12-20 03:44:21,905 INFO L420 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:21,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:21,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1582392036, now seen corresponding path program 1 times [2023-12-20 03:44:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:21,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061223057] [2023-12-20 03:44:21,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:21,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:21,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:21,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061223057] [2023-12-20 03:44:21,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061223057] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:21,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:21,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:44:21,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614603719] [2023-12-20 03:44:21,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:21,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:44:21,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:21,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:44:21,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:44:21,956 INFO L87 Difference]: Start difference. First operand 4868 states and 7104 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:21,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:21,991 INFO L93 Difference]: Finished difference Result 11538 states and 16935 transitions. [2023-12-20 03:44:21,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:44:21,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2023-12-20 03:44:21,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:21,996 INFO L225 Difference]: With dead ends: 11538 [2023-12-20 03:44:21,996 INFO L226 Difference]: Without dead ends: 6840 [2023-12-20 03:44:21,999 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 [2023-12-20 03:44:21,999 INFO L413 NwaCegarLoop]: 367 mSDtfsCounter, 112 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:21,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 612 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6840 states. [2023-12-20 03:44:22,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6840 to 6806. [2023-12-20 03:44:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6806 states, 6805 states have (on average 1.457898603967671) internal successors, (9921), 6805 states have internal predecessors, (9921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6806 states to 6806 states and 9921 transitions. [2023-12-20 03:44:22,071 INFO L78 Accepts]: Start accepts. Automaton has 6806 states and 9921 transitions. Word has length 157 [2023-12-20 03:44:22,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:22,071 INFO L495 AbstractCegarLoop]: Abstraction has 6806 states and 9921 transitions. [2023-12-20 03:44:22,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 6806 states and 9921 transitions. [2023-12-20 03:44:22,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-20 03:44:22,073 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:22,073 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:22,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2023-12-20 03:44:22,073 INFO L420 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:22,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:22,074 INFO L85 PathProgramCache]: Analyzing trace with hash -372538454, now seen corresponding path program 1 times [2023-12-20 03:44:22,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:22,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614425880] [2023-12-20 03:44:22,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:22,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:22,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:22,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614425880] [2023-12-20 03:44:22,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614425880] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:22,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:22,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:44:22,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734805661] [2023-12-20 03:44:22,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:22,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-20 03:44:22,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:22,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-20 03:44:22,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:22,299 INFO L87 Difference]: Start difference. First operand 6806 states and 9921 transitions. Second operand has 9 states, 9 states have (on average 17.444444444444443) internal successors, (157), 9 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:22,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:22,493 INFO L93 Difference]: Finished difference Result 13104 states and 19179 transitions. [2023-12-20 03:44:22,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:44:22,494 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.444444444444443) internal successors, (157), 9 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2023-12-20 03:44:22,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:22,504 INFO L225 Difference]: With dead ends: 13104 [2023-12-20 03:44:22,504 INFO L226 Difference]: Without dead ends: 12202 [2023-12-20 03:44:22,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-12-20 03:44:22,512 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 2118 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2118 SdHoareTripleChecker+Valid, 2507 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:22,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2118 Valid, 2507 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:44:22,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12202 states. [2023-12-20 03:44:22,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12202 to 7688. [2023-12-20 03:44:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7688 states, 7687 states have (on average 1.4589566801092755) internal successors, (11215), 7687 states have internal predecessors, (11215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7688 states to 7688 states and 11215 transitions. [2023-12-20 03:44:22,603 INFO L78 Accepts]: Start accepts. Automaton has 7688 states and 11215 transitions. Word has length 157 [2023-12-20 03:44:22,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:22,603 INFO L495 AbstractCegarLoop]: Abstraction has 7688 states and 11215 transitions. [2023-12-20 03:44:22,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.444444444444443) internal successors, (157), 9 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand 7688 states and 11215 transitions. [2023-12-20 03:44:22,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-20 03:44:22,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:22,604 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:22,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2023-12-20 03:44:22,605 INFO L420 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:22,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:22,605 INFO L85 PathProgramCache]: Analyzing trace with hash 972322143, now seen corresponding path program 1 times [2023-12-20 03:44:22,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:22,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337509777] [2023-12-20 03:44:22,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:22,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:22,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:22,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337509777] [2023-12-20 03:44:22,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337509777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:22,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:22,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:44:22,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669866068] [2023-12-20 03:44:22,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:22,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:44:22,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:22,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:44:22,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:44:22,723 INFO L87 Difference]: Start difference. First operand 7688 states and 11215 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:22,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:22,784 INFO L93 Difference]: Finished difference Result 22316 states and 32561 transitions. [2023-12-20 03:44:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:44:22,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2023-12-20 03:44:22,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:22,803 INFO L225 Difference]: With dead ends: 22316 [2023-12-20 03:44:22,803 INFO L226 Difference]: Without dead ends: 14798 [2023-12-20 03:44:22,813 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 [2023-12-20 03:44:22,813 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 124 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:22,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 561 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:22,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14798 states. [2023-12-20 03:44:22,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14798 to 14388. [2023-12-20 03:44:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14388 states, 14387 states have (on average 1.4539514839785919) internal successors, (20918), 14387 states have internal predecessors, (20918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:22,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14388 states to 14388 states and 20918 transitions. [2023-12-20 03:44:22,966 INFO L78 Accepts]: Start accepts. Automaton has 14388 states and 20918 transitions. Word has length 157 [2023-12-20 03:44:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:22,966 INFO L495 AbstractCegarLoop]: Abstraction has 14388 states and 20918 transitions. [2023-12-20 03:44:22,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 14388 states and 20918 transitions. [2023-12-20 03:44:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-20 03:44:22,967 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:22,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:22,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2023-12-20 03:44:22,968 INFO L420 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:22,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:22,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1620368886, now seen corresponding path program 1 times [2023-12-20 03:44:22,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:22,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899354717] [2023-12-20 03:44:22,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:22,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:23,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:23,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899354717] [2023-12-20 03:44:23,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899354717] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:23,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:23,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:44:23,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394673318] [2023-12-20 03:44:23,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:23,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:44:23,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:23,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:44:23,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:44:23,096 INFO L87 Difference]: Start difference. First operand 14388 states and 20918 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:23,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:23,173 INFO L93 Difference]: Finished difference Result 42008 states and 60956 transitions. [2023-12-20 03:44:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:44:23,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 158 [2023-12-20 03:44:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:23,204 INFO L225 Difference]: With dead ends: 42008 [2023-12-20 03:44:23,204 INFO L226 Difference]: Without dead ends: 27790 [2023-12-20 03:44:23,220 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 [2023-12-20 03:44:23,220 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 117 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:23,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 561 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:23,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27790 states. [2023-12-20 03:44:23,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27790 to 26972. [2023-12-20 03:44:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26972 states, 26971 states have (on average 1.4459233992065552) internal successors, (38998), 26971 states have internal predecessors, (38998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26972 states to 26972 states and 38998 transitions. [2023-12-20 03:44:23,475 INFO L78 Accepts]: Start accepts. Automaton has 26972 states and 38998 transitions. Word has length 158 [2023-12-20 03:44:23,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:23,475 INFO L495 AbstractCegarLoop]: Abstraction has 26972 states and 38998 transitions. [2023-12-20 03:44:23,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 26972 states and 38998 transitions. [2023-12-20 03:44:23,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-20 03:44:23,477 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:23,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:23,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2023-12-20 03:44:23,477 INFO L420 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:23,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:23,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2124320446, now seen corresponding path program 1 times [2023-12-20 03:44:23,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:23,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062223914] [2023-12-20 03:44:23,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:23,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:23,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:23,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:23,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062223914] [2023-12-20 03:44:23,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062223914] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:23,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:23,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:44:23,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38800996] [2023-12-20 03:44:23,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:23,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:44:23,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:23,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:44:23,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:44:23,568 INFO L87 Difference]: Start difference. First operand 26972 states and 38998 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:23,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:23,716 INFO L93 Difference]: Finished difference Result 78944 states and 113768 transitions. [2023-12-20 03:44:23,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:44:23,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 159 [2023-12-20 03:44:23,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:23,776 INFO L225 Difference]: With dead ends: 78944 [2023-12-20 03:44:23,776 INFO L226 Difference]: Without dead ends: 52142 [2023-12-20 03:44:23,808 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 [2023-12-20 03:44:23,808 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 110 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:23,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 561 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:23,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52142 states. [2023-12-20 03:44:24,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52142 to 50508. [2023-12-20 03:44:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50508 states, 50507 states have (on average 1.435563387253252) internal successors, (72506), 50507 states have internal predecessors, (72506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50508 states to 50508 states and 72506 transitions. [2023-12-20 03:44:24,438 INFO L78 Accepts]: Start accepts. Automaton has 50508 states and 72506 transitions. Word has length 159 [2023-12-20 03:44:24,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:24,438 INFO L495 AbstractCegarLoop]: Abstraction has 50508 states and 72506 transitions. [2023-12-20 03:44:24,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:24,438 INFO L276 IsEmpty]: Start isEmpty. Operand 50508 states and 72506 transitions. [2023-12-20 03:44:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-20 03:44:24,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:24,439 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:24,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2023-12-20 03:44:24,440 INFO L420 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:24,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:24,440 INFO L85 PathProgramCache]: Analyzing trace with hash 746107885, now seen corresponding path program 1 times [2023-12-20 03:44:24,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:24,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361796606] [2023-12-20 03:44:24,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:24,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:24,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:24,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:24,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361796606] [2023-12-20 03:44:24,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361796606] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:24,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:24,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:44:24,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83101655] [2023-12-20 03:44:24,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:24,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:44:24,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:24,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:44:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:44:24,566 INFO L87 Difference]: Start difference. First operand 50508 states and 72506 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:25,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:25,090 INFO L93 Difference]: Finished difference Result 147920 states and 211436 transitions. [2023-12-20 03:44:25,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:44:25,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2023-12-20 03:44:25,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:25,395 INFO L225 Difference]: With dead ends: 147920 [2023-12-20 03:44:25,395 INFO L226 Difference]: Without dead ends: 97582 [2023-12-20 03:44:25,406 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 [2023-12-20 03:44:25,406 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 103 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:25,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 561 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:25,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97582 states. [2023-12-20 03:44:26,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97582 to 94316. [2023-12-20 03:44:26,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94316 states, 94315 states have (on average 1.4230822244605843) internal successors, (134218), 94315 states have internal predecessors, (134218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:26,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94316 states to 94316 states and 134218 transitions. [2023-12-20 03:44:26,661 INFO L78 Accepts]: Start accepts. Automaton has 94316 states and 134218 transitions. Word has length 160 [2023-12-20 03:44:26,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:26,661 INFO L495 AbstractCegarLoop]: Abstraction has 94316 states and 134218 transitions. [2023-12-20 03:44:26,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 94316 states and 134218 transitions. [2023-12-20 03:44:26,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-20 03:44:26,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:26,662 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:26,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2023-12-20 03:44:26,663 INFO L420 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:26,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:26,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1564191373, now seen corresponding path program 1 times [2023-12-20 03:44:26,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:26,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908483658] [2023-12-20 03:44:26,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:26,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:26,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:26,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908483658] [2023-12-20 03:44:26,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908483658] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:26,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:26,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:44:26,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950827016] [2023-12-20 03:44:26,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:26,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:44:26,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:26,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:44:26,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:44:26,786 INFO L87 Difference]: Start difference. First operand 94316 states and 134218 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:27,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:27,609 INFO L93 Difference]: Finished difference Result 276080 states and 390860 transitions. [2023-12-20 03:44:27,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:44:27,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2023-12-20 03:44:27,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:27,964 INFO L225 Difference]: With dead ends: 276080 [2023-12-20 03:44:27,964 INFO L226 Difference]: Without dead ends: 181934 [2023-12-20 03:44:28,005 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 [2023-12-20 03:44:28,006 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 96 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:28,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 561 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:28,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181934 states. [2023-12-20 03:44:29,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181934 to 175404. [2023-12-20 03:44:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175404 states, 175403 states have (on average 1.4083795602127671) internal successors, (247034), 175403 states have internal predecessors, (247034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175404 states to 175404 states and 247034 transitions. [2023-12-20 03:44:30,711 INFO L78 Accepts]: Start accepts. Automaton has 175404 states and 247034 transitions. Word has length 161 [2023-12-20 03:44:30,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:30,711 INFO L495 AbstractCegarLoop]: Abstraction has 175404 states and 247034 transitions. [2023-12-20 03:44:30,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 175404 states and 247034 transitions. [2023-12-20 03:44:30,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-20 03:44:30,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:30,712 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:30,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2023-12-20 03:44:30,712 INFO L420 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:30,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:30,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1353722036, now seen corresponding path program 1 times [2023-12-20 03:44:30,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:30,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250076066] [2023-12-20 03:44:30,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:30,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:30,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:30,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:30,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250076066] [2023-12-20 03:44:30,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250076066] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:30,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:30,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:44:30,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542514368] [2023-12-20 03:44:30,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:30,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:44:30,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:30,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:44:30,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:44:30,848 INFO L87 Difference]: Start difference. First operand 175404 states and 247034 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:32,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:32,695 INFO L93 Difference]: Finished difference Result 512816 states and 717884 transitions. [2023-12-20 03:44:32,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:44:32,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 162 [2023-12-20 03:44:32,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:33,111 INFO L225 Difference]: With dead ends: 512816 [2023-12-20 03:44:33,111 INFO L226 Difference]: Without dead ends: 337582 [2023-12-20 03:44:33,190 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 [2023-12-20 03:44:33,191 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 86 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:33,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 560 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:33,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337582 states. [2023-12-20 03:44:37,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337582 to 324524. [2023-12-20 03:44:37,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324524 states, 324523 states have (on average 1.3911186572292256) internal successors, (451450), 324523 states have internal predecessors, (451450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324524 states to 324524 states and 451450 transitions. [2023-12-20 03:44:38,641 INFO L78 Accepts]: Start accepts. Automaton has 324524 states and 451450 transitions. Word has length 162 [2023-12-20 03:44:38,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:38,641 INFO L495 AbstractCegarLoop]: Abstraction has 324524 states and 451450 transitions. [2023-12-20 03:44:38,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 324524 states and 451450 transitions. [2023-12-20 03:44:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-12-20 03:44:38,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:38,642 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:38,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2023-12-20 03:44:38,642 INFO L420 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:38,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:38,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1406988608, now seen corresponding path program 1 times [2023-12-20 03:44:38,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:38,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859550098] [2023-12-20 03:44:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:38,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:38,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:38,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859550098] [2023-12-20 03:44:38,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859550098] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:38,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:38,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 03:44:38,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279144639] [2023-12-20 03:44:38,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:38,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 03:44:38,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:38,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 03:44:38,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 03:44:38,829 INFO L87 Difference]: Start difference. First operand 324524 states and 451450 transitions. Second operand has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 6 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:40,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:40,713 INFO L93 Difference]: Finished difference Result 504034 states and 698446 transitions. [2023-12-20 03:44:40,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:44:40,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 6 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2023-12-20 03:44:40,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:41,833 INFO L225 Difference]: With dead ends: 504034 [2023-12-20 03:44:41,833 INFO L226 Difference]: Without dead ends: 504032 [2023-12-20 03:44:41,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-20 03:44:41,892 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 418 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:41,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1368 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:42,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504032 states. [2023-12-20 03:44:46,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504032 to 327596. [2023-12-20 03:44:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327596 states, 327595 states have (on average 1.3839344312336879) internal successors, (453370), 327595 states have internal predecessors, (453370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327596 states to 327596 states and 453370 transitions. [2023-12-20 03:44:48,274 INFO L78 Accepts]: Start accepts. Automaton has 327596 states and 453370 transitions. Word has length 163 [2023-12-20 03:44:48,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:48,274 INFO L495 AbstractCegarLoop]: Abstraction has 327596 states and 453370 transitions. [2023-12-20 03:44:48,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 6 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:48,274 INFO L276 IsEmpty]: Start isEmpty. Operand 327596 states and 453370 transitions. [2023-12-20 03:44:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-20 03:44:48,275 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:48,275 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:48,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2023-12-20 03:44:48,276 INFO L420 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:48,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1370026502, now seen corresponding path program 1 times [2023-12-20 03:44:48,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:48,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674670435] [2023-12-20 03:44:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:48,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:48,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:48,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674670435] [2023-12-20 03:44:48,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674670435] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:44:48,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:44:48,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:44:48,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99439030] [2023-12-20 03:44:48,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:44:48,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:44:48,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:44:48,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:44:48,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:44:48,409 INFO L87 Difference]: Start difference. First operand 327596 states and 453370 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:50,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:44:50,730 INFO L93 Difference]: Finished difference Result 711216 states and 981500 transitions. [2023-12-20 03:44:50,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:44:50,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2023-12-20 03:44:50,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:44:51,781 INFO L225 Difference]: With dead ends: 711216 [2023-12-20 03:44:51,781 INFO L226 Difference]: Without dead ends: 383790 [2023-12-20 03:44:51,939 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 [2023-12-20 03:44:51,940 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 128 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:44:51,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 562 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:44:52,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383790 states. [2023-12-20 03:44:57,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383790 to 365868. [2023-12-20 03:44:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365868 states, 365867 states have (on average 1.3644138443751417) internal successors, (499194), 365867 states have internal predecessors, (499194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:59,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365868 states to 365868 states and 499194 transitions. [2023-12-20 03:44:59,096 INFO L78 Accepts]: Start accepts. Automaton has 365868 states and 499194 transitions. Word has length 164 [2023-12-20 03:44:59,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:44:59,097 INFO L495 AbstractCegarLoop]: Abstraction has 365868 states and 499194 transitions. [2023-12-20 03:44:59,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:44:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 365868 states and 499194 transitions. [2023-12-20 03:44:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-20 03:44:59,125 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:44:59,126 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:44:59,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2023-12-20 03:44:59,126 INFO L420 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2023-12-20 03:44:59,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:44:59,126 INFO L85 PathProgramCache]: Analyzing trace with hash -182167512, now seen corresponding path program 1 times [2023-12-20 03:44:59,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:44:59,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301982310] [2023-12-20 03:44:59,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:59,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:44:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:44:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:44:59,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:44:59,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301982310] [2023-12-20 03:44:59,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301982310] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 03:44:59,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932426423] [2023-12-20 03:44:59,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:44:59,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 03:44:59,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 03:44:59,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 03:44:59,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 03:45:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:45:00,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-20 03:45:00,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 03:45:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:45:01,426 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 03:45:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:45:03,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932426423] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 03:45:03,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 03:45:03,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 29 [2023-12-20 03:45:03,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505492348] [2023-12-20 03:45:03,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 03:45:03,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-12-20 03:45:03,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:45:03,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-12-20 03:45:03,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2023-12-20 03:45:03,107 INFO L87 Difference]: Start difference. First operand 365868 states and 499194 transitions. Second operand has 30 states, 30 states have (on average 18.333333333333332) internal successors, (550), 29 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:46:53,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:46:53,033 INFO L93 Difference]: Finished difference Result 9937418 states and 13355448 transitions. [2023-12-20 03:46:53,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 713 states. [2023-12-20 03:46:53,036 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 18.333333333333332) internal successors, (550), 29 states have internal predecessors, (550), 0 states have call successors, (0), 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 202 [2023-12-20 03:46:53,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted.