/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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 03:28:29,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 03:28:29,379 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 03:28:29,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 03:28:29,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 03:28:29,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 03:28:29,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 03:28:29,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 03:28:29,408 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 03:28:29,408 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 03:28:29,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 03:28:29,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 03:28:29,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 03:28:29,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 03:28:29,409 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 03:28:29,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 03:28:29,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 03:28:29,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 03:28:29,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 03:28:29,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 03:28:29,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 03:28:29,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 03:28:29,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 03:28:29,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 03:28:29,413 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 03:28:29,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 03:28:29,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 03:28:29,414 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 03:28:29,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 03:28:29,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 03:28:29,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 03:28:29,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 03:28:29,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 03:28:29,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 03:28:29,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 03:28:29,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 03:28:29,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 03:28:29,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 03:28:29,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 03:28:29,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 03:28:29,416 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 03:28:29,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 03:28:29,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 03:28:29,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-20 03:28:29,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 03:28:29,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 03:28:29,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 03:28:29,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 03:28:29,624 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 03:28:29,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-20 03:28:30,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 03:28:30,966 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 03:28:30,967 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-20 03:28:30,984 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c155c0cb5/6b5ca8edea5e4238969ef39d220c3cfc/FLAGafe2e5aee [2023-12-20 03:28:30,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c155c0cb5/6b5ca8edea5e4238969ef39d220c3cfc [2023-12-20 03:28:30,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 03:28:30,999 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 03:28:31,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 03:28:31,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 03:28:31,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 03:28:31,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 03:28:30" (1/1) ... [2023-12-20 03:28:31,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4199adb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31, skipping insertion in model container [2023-12-20 03:28:31,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 03:28:30" (1/1) ... [2023-12-20 03:28:31,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 03:28:31,434 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33192,33205] [2023-12-20 03:28:31,501 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[47557,47570] [2023-12-20 03:28:31,517 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[54728,54741] [2023-12-20 03:28:31,527 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58287,58300] [2023-12-20 03:28:31,535 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[61647,61660] [2023-12-20 03:28:31,564 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[76934,76947] [2023-12-20 03:28:31,577 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[84100,84113] [2023-12-20 03:28:31,584 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[87654,87667] [2023-12-20 03:28:31,591 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[91009,91022] [2023-12-20 03:28:31,599 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[95142,95155] [2023-12-20 03:28:31,605 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98563,98576] [2023-12-20 03:28:31,612 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[102117,102130] [2023-12-20 03:28:31,619 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[105472,105485] [2023-12-20 03:28:31,626 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[109226,109239] [2023-12-20 03:28:31,632 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[112596,112609] [2023-12-20 03:28:31,639 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116131,116144] [2023-12-20 03:28:31,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 03:28:31,679 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 03:28:31,761 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[33192,33205] [2023-12-20 03:28:31,789 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[47557,47570] [2023-12-20 03:28:31,799 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[54728,54741] [2023-12-20 03:28:31,804 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58287,58300] [2023-12-20 03:28:31,809 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[61647,61660] [2023-12-20 03:28:31,835 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[76934,76947] [2023-12-20 03:28:31,845 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[84100,84113] [2023-12-20 03:28:31,851 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[87654,87667] [2023-12-20 03:28:31,856 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[91009,91022] [2023-12-20 03:28:31,861 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[95142,95155] [2023-12-20 03:28:31,866 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98563,98576] [2023-12-20 03:28:31,871 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[102117,102130] [2023-12-20 03:28:31,876 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[105472,105485] [2023-12-20 03:28:31,882 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[109226,109239] [2023-12-20 03:28:31,886 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[112596,112609] [2023-12-20 03:28:31,893 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.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[116131,116144] [2023-12-20 03:28:31,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 03:28:31,922 INFO L206 MainTranslator]: Completed translation [2023-12-20 03:28:31,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31 WrapperNode [2023-12-20 03:28:31,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 03:28:31,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 03:28:31,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 03:28:31,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 03:28:31,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:31,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,052 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5781 [2023-12-20 03:28:32,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 03:28:32,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 03:28:32,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 03:28:32,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 03:28:32,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,136 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 03:28:32,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 03:28:32,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 03:28:32,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 03:28:32,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 03:28:32,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (1/1) ... [2023-12-20 03:28:32,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 03:28:32,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 03:28:32,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-20 03:28:32,287 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 03:28:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 03:28:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 03:28:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 03:28:32,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 03:28:32,471 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 03:28:32,472 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 03:28:34,315 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 03:28:34,360 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 03:28:34,361 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-20 03:28:34,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 03:28:34 BoogieIcfgContainer [2023-12-20 03:28:34,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 03:28:34,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 03:28:34,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 03:28:34,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 03:28:34,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 03:28:30" (1/3) ... [2023-12-20 03:28:34,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346c905c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 03:28:34, skipping insertion in model container [2023-12-20 03:28:34,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 03:28:31" (2/3) ... [2023-12-20 03:28:34,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346c905c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 03:28:34, skipping insertion in model container [2023-12-20 03:28:34,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 03:28:34" (3/3) ... [2023-12-20 03:28:34,367 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2023-12-20 03:28:34,378 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 03:28:34,378 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-12-20 03:28:34,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 03:28:34,434 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;@2b5b8dd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 03:28:34,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-12-20 03:28:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 1109 states, 1092 states have (on average 1.8287545787545787) internal successors, (1997), 1108 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-20 03:28:34,459 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:34,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:28:34,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:34,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:34,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1232435330, now seen corresponding path program 1 times [2023-12-20 03:28:34,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:34,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157992484] [2023-12-20 03:28:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:34,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:34,835 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 03:28:34,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:34,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157992484] [2023-12-20 03:28:34,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157992484] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:34,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:34,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:28:34,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920758768] [2023-12-20 03:28:34,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:34,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:28:34,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:34,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:28:34,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:28:34,868 INFO L87 Difference]: Start difference. First operand has 1109 states, 1092 states have (on average 1.8287545787545787) internal successors, (1997), 1108 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:35,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:35,762 INFO L93 Difference]: Finished difference Result 1821 states and 3174 transitions. [2023-12-20 03:28:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:28:35,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-12-20 03:28:35,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:35,778 INFO L225 Difference]: With dead ends: 1821 [2023-12-20 03:28:35,778 INFO L226 Difference]: Without dead ends: 1247 [2023-12-20 03:28:35,782 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 03:28:35,784 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 5731 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5731 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:35,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5731 Valid, 1174 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-20 03:28:35,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2023-12-20 03:28:35,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1143. [2023-12-20 03:28:35,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1127 states have (on average 1.354924578527063) internal successors, (1527), 1142 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1527 transitions. [2023-12-20 03:28:35,855 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1527 transitions. Word has length 71 [2023-12-20 03:28:35,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:35,856 INFO L495 AbstractCegarLoop]: Abstraction has 1143 states and 1527 transitions. [2023-12-20 03:28:35,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1527 transitions. [2023-12-20 03:28:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-20 03:28:35,858 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:35,858 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:28:35,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 03:28:35,858 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:35,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:35,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1527450296, now seen corresponding path program 1 times [2023-12-20 03:28:35,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:35,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70358076] [2023-12-20 03:28:35,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:35,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:35,999 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 03:28:35,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:36,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70358076] [2023-12-20 03:28:36,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70358076] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:36,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:36,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:28:36,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709356822] [2023-12-20 03:28:36,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:36,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:28:36,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:36,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:28:36,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:28:36,002 INFO L87 Difference]: Start difference. First operand 1143 states and 1527 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:36,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:36,386 INFO L93 Difference]: Finished difference Result 1434 states and 1917 transitions. [2023-12-20 03:28:36,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:28:36,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-12-20 03:28:36,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:36,389 INFO L225 Difference]: With dead ends: 1434 [2023-12-20 03:28:36,389 INFO L226 Difference]: Without dead ends: 841 [2023-12-20 03:28:36,390 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 03:28:36,391 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 2381 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2381 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:36,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2381 Valid, 413 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 03:28:36,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2023-12-20 03:28:36,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2023-12-20 03:28:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 825 states have (on average 1.3745454545454545) internal successors, (1134), 840 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1134 transitions. [2023-12-20 03:28:36,404 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1134 transitions. Word has length 71 [2023-12-20 03:28:36,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:36,405 INFO L495 AbstractCegarLoop]: Abstraction has 841 states and 1134 transitions. [2023-12-20 03:28:36,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1134 transitions. [2023-12-20 03:28:36,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-20 03:28:36,412 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:36,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:28:36,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 03:28:36,412 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:36,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:36,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2115552032, now seen corresponding path program 1 times [2023-12-20 03:28:36,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:36,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611617837] [2023-12-20 03:28:36,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:36,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:36,503 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 03:28:36,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:36,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611617837] [2023-12-20 03:28:36,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611617837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:36,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:36,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:28:36,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200971266] [2023-12-20 03:28:36,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:36,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:28:36,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:36,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:28:36,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:28:36,505 INFO L87 Difference]: Start difference. First operand 841 states and 1134 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:36,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:36,739 INFO L93 Difference]: Finished difference Result 1051 states and 1408 transitions. [2023-12-20 03:28:36,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:28:36,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2023-12-20 03:28:36,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:36,741 INFO L225 Difference]: With dead ends: 1051 [2023-12-20 03:28:36,741 INFO L226 Difference]: Without dead ends: 611 [2023-12-20 03:28:36,742 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 03:28:36,743 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 1647 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:36,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1647 Valid, 327 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:28:36,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2023-12-20 03:28:36,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2023-12-20 03:28:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 595 states have (on average 1.3831932773109243) internal successors, (823), 610 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 823 transitions. [2023-12-20 03:28:36,750 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 823 transitions. Word has length 71 [2023-12-20 03:28:36,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:36,751 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 823 transitions. [2023-12-20 03:28:36,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:36,751 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 823 transitions. [2023-12-20 03:28:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-20 03:28:36,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:36,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:28:36,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 03:28:36,752 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:36,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:36,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1156366953, now seen corresponding path program 1 times [2023-12-20 03:28:36,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:36,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601997590] [2023-12-20 03:28:36,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:36,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:36,845 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 03:28:36,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:36,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601997590] [2023-12-20 03:28:36,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601997590] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:36,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:36,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:28:36,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958178762] [2023-12-20 03:28:36,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:36,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:28:36,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:36,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:28:36,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:28:36,847 INFO L87 Difference]: Start difference. First operand 611 states and 823 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:37,040 INFO L93 Difference]: Finished difference Result 904 states and 1229 transitions. [2023-12-20 03:28:37,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:28:37,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2023-12-20 03:28:37,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:37,043 INFO L225 Difference]: With dead ends: 904 [2023-12-20 03:28:37,043 INFO L226 Difference]: Without dead ends: 550 [2023-12-20 03:28:37,044 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 03:28:37,046 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 1491 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1491 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:37,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1491 Valid, 304 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:28:37,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-12-20 03:28:37,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2023-12-20 03:28:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3970037453183521) internal successors, (746), 549 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:37,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 746 transitions. [2023-12-20 03:28:37,058 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 746 transitions. Word has length 72 [2023-12-20 03:28:37,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:37,058 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 746 transitions. [2023-12-20 03:28:37,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:37,059 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 746 transitions. [2023-12-20 03:28:37,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-20 03:28:37,060 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:37,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:28:37,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 03:28:37,060 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:37,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:37,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1186891401, now seen corresponding path program 1 times [2023-12-20 03:28:37,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:37,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307587723] [2023-12-20 03:28:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:37,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:37,170 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 03:28:37,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:37,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307587723] [2023-12-20 03:28:37,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307587723] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:37,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:37,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-20 03:28:37,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742873496] [2023-12-20 03:28:37,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:37,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-20 03:28:37,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:37,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-20 03:28:37,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 03:28:37,172 INFO L87 Difference]: Start difference. First operand 550 states and 746 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:37,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:37,394 INFO L93 Difference]: Finished difference Result 824 states and 1124 transitions. [2023-12-20 03:28:37,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-20 03:28:37,395 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2023-12-20 03:28:37,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:37,396 INFO L225 Difference]: With dead ends: 824 [2023-12-20 03:28:37,396 INFO L226 Difference]: Without dead ends: 542 [2023-12-20 03:28:37,412 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 03:28:37,414 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 1414 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:37,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 279 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:28:37,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2023-12-20 03:28:37,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2023-12-20 03:28:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.397338403041825) internal successors, (735), 541 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:37,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 735 transitions. [2023-12-20 03:28:37,422 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 735 transitions. Word has length 73 [2023-12-20 03:28:37,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:37,422 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 735 transitions. [2023-12-20 03:28:37,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 735 transitions. [2023-12-20 03:28:37,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-20 03:28:37,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:37,423 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] [2023-12-20 03:28:37,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 03:28:37,423 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:37,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:37,425 INFO L85 PathProgramCache]: Analyzing trace with hash -117023922, now seen corresponding path program 1 times [2023-12-20 03:28:37,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:37,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250682604] [2023-12-20 03:28:37,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:37,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:37,692 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 03:28:37,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:37,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250682604] [2023-12-20 03:28:37,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250682604] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:37,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:37,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-20 03:28:37,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363900450] [2023-12-20 03:28:37,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:37,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-20 03:28:37,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:37,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-20 03:28:37,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-12-20 03:28:37,694 INFO L87 Difference]: Start difference. First operand 542 states and 735 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:38,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:38,478 INFO L93 Difference]: Finished difference Result 1287 states and 1810 transitions. [2023-12-20 03:28:38,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 03:28:38,478 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-12-20 03:28:38,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:38,481 INFO L225 Difference]: With dead ends: 1287 [2023-12-20 03:28:38,481 INFO L226 Difference]: Without dead ends: 1117 [2023-12-20 03:28:38,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2023-12-20 03:28:38,482 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 2418 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:38,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 1950 Invalid, 1556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 03:28:38,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2023-12-20 03:28:38,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 542. [2023-12-20 03:28:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3935361216730038) internal successors, (733), 541 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 733 transitions. [2023-12-20 03:28:38,492 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 733 transitions. Word has length 74 [2023-12-20 03:28:38,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:38,492 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 733 transitions. [2023-12-20 03:28:38,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 9 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:38,492 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 733 transitions. [2023-12-20 03:28:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-20 03:28:38,493 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:38,493 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] [2023-12-20 03:28:38,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 03:28:38,493 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:38,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:38,493 INFO L85 PathProgramCache]: Analyzing trace with hash 782905456, now seen corresponding path program 1 times [2023-12-20 03:28:38,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:38,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79281913] [2023-12-20 03:28:38,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:38,673 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 03:28:38,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:38,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79281913] [2023-12-20 03:28:38,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79281913] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:38,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:38,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 03:28:38,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313897382] [2023-12-20 03:28:38,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:38,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 03:28:38,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:38,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 03:28:38,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-20 03:28:38,675 INFO L87 Difference]: Start difference. First operand 542 states and 733 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:39,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:39,068 INFO L93 Difference]: Finished difference Result 1044 states and 1394 transitions. [2023-12-20 03:28:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-20 03:28:39,068 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-12-20 03:28:39,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:39,071 INFO L225 Difference]: With dead ends: 1044 [2023-12-20 03:28:39,071 INFO L226 Difference]: Without dead ends: 770 [2023-12-20 03:28:39,072 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 03:28:39,072 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 2369 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2369 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:39,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2369 Valid, 671 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 03:28:39,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2023-12-20 03:28:39,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 542. [2023-12-20 03:28:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.391634980988593) internal successors, (732), 541 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 732 transitions. [2023-12-20 03:28:39,080 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 732 transitions. Word has length 74 [2023-12-20 03:28:39,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:39,080 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 732 transitions. [2023-12-20 03:28:39,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 732 transitions. [2023-12-20 03:28:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-20 03:28:39,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:39,081 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] [2023-12-20 03:28:39,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 03:28:39,081 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:39,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:39,082 INFO L85 PathProgramCache]: Analyzing trace with hash 98797326, now seen corresponding path program 1 times [2023-12-20 03:28:39,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:39,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188924451] [2023-12-20 03:28:39,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:39,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:39,281 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 03:28:39,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:39,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188924451] [2023-12-20 03:28:39,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188924451] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:39,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:39,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:39,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076208124] [2023-12-20 03:28:39,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:39,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:39,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:39,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:39,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:39,283 INFO L87 Difference]: Start difference. First operand 542 states and 732 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:39,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:39,928 INFO L93 Difference]: Finished difference Result 1276 states and 1792 transitions. [2023-12-20 03:28:39,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:28:39,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-12-20 03:28:39,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:39,931 INFO L225 Difference]: With dead ends: 1276 [2023-12-20 03:28:39,931 INFO L226 Difference]: Without dead ends: 1125 [2023-12-20 03:28:39,932 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 03:28:39,932 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 2396 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:39,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2396 Valid, 1388 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:28:39,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2023-12-20 03:28:39,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 542. [2023-12-20 03:28:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3897338403041826) internal successors, (731), 541 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 731 transitions. [2023-12-20 03:28:39,942 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 731 transitions. Word has length 74 [2023-12-20 03:28:39,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:39,942 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 731 transitions. [2023-12-20 03:28:39,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 731 transitions. [2023-12-20 03:28:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-20 03:28:39,943 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:39,943 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] [2023-12-20 03:28:39,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 03:28:39,943 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:39,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:39,944 INFO L85 PathProgramCache]: Analyzing trace with hash -2064648218, now seen corresponding path program 1 times [2023-12-20 03:28:39,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:39,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038995485] [2023-12-20 03:28:39,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:39,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:40,136 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 03:28:40,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:40,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038995485] [2023-12-20 03:28:40,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038995485] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:40,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:40,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:40,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306122927] [2023-12-20 03:28:40,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:40,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:40,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:40,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:40,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:40,137 INFO L87 Difference]: Start difference. First operand 542 states and 731 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:40,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:40,724 INFO L93 Difference]: Finished difference Result 929 states and 1297 transitions. [2023-12-20 03:28:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:40,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2023-12-20 03:28:40,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:40,726 INFO L225 Difference]: With dead ends: 929 [2023-12-20 03:28:40,726 INFO L226 Difference]: Without dead ends: 739 [2023-12-20 03:28:40,727 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 03:28:40,727 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 1306 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:40,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 1907 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:28:40,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2023-12-20 03:28:40,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 542. [2023-12-20 03:28:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3878326996197718) internal successors, (730), 541 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 730 transitions. [2023-12-20 03:28:40,735 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 730 transitions. Word has length 74 [2023-12-20 03:28:40,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:40,735 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 730 transitions. [2023-12-20 03:28:40,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 730 transitions. [2023-12-20 03:28:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-20 03:28:40,736 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:40,736 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] [2023-12-20 03:28:40,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 03:28:40,736 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:40,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:40,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1716231595, now seen corresponding path program 1 times [2023-12-20 03:28:40,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:40,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541086197] [2023-12-20 03:28:40,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:40,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:40,924 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 03:28:40,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:40,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541086197] [2023-12-20 03:28:40,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541086197] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:40,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:40,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:40,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791434422] [2023-12-20 03:28:40,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:40,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:40,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:40,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:40,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:40,929 INFO L87 Difference]: Start difference. First operand 542 states and 730 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:41,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:41,663 INFO L93 Difference]: Finished difference Result 1245 states and 1739 transitions. [2023-12-20 03:28:41,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:41,663 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-12-20 03:28:41,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:41,666 INFO L225 Difference]: With dead ends: 1245 [2023-12-20 03:28:41,666 INFO L226 Difference]: Without dead ends: 1101 [2023-12-20 03:28:41,666 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 03:28:41,666 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 1756 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 2047 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:41,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 2047 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:28:41,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2023-12-20 03:28:41,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 542. [2023-12-20 03:28:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3840304182509506) internal successors, (728), 541 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:41,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 728 transitions. [2023-12-20 03:28:41,676 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 728 transitions. Word has length 76 [2023-12-20 03:28:41,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:41,676 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 728 transitions. [2023-12-20 03:28:41,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 728 transitions. [2023-12-20 03:28:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-20 03:28:41,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:41,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 03:28:41,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 03:28:41,677 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:41,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:41,678 INFO L85 PathProgramCache]: Analyzing trace with hash -694606913, now seen corresponding path program 1 times [2023-12-20 03:28:41,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:41,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633847553] [2023-12-20 03:28:41,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:41,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:41,849 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 03:28:41,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:41,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633847553] [2023-12-20 03:28:41,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633847553] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:41,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:41,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:41,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2268963] [2023-12-20 03:28:41,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:41,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:41,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:41,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:41,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:41,851 INFO L87 Difference]: Start difference. First operand 542 states and 728 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:42,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:42,342 INFO L93 Difference]: Finished difference Result 995 states and 1382 transitions. [2023-12-20 03:28:42,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-20 03:28:42,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-12-20 03:28:42,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:42,344 INFO L225 Difference]: With dead ends: 995 [2023-12-20 03:28:42,344 INFO L226 Difference]: Without dead ends: 739 [2023-12-20 03:28:42,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2023-12-20 03:28:42,345 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 1308 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:42,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 1305 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 03:28:42,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2023-12-20 03:28:42,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 542. [2023-12-20 03:28:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3802281368821292) internal successors, (726), 541 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 726 transitions. [2023-12-20 03:28:42,353 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 726 transitions. Word has length 76 [2023-12-20 03:28:42,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:42,353 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 726 transitions. [2023-12-20 03:28:42,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 726 transitions. [2023-12-20 03:28:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-20 03:28:42,354 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:42,354 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] [2023-12-20 03:28:42,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-20 03:28:42,354 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:42,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:42,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1449671967, now seen corresponding path program 1 times [2023-12-20 03:28:42,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:42,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962449680] [2023-12-20 03:28:42,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:42,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:42,520 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 03:28:42,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:42,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962449680] [2023-12-20 03:28:42,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962449680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:42,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:42,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:42,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937973770] [2023-12-20 03:28:42,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:42,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:42,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:42,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:42,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:42,522 INFO L87 Difference]: Start difference. First operand 542 states and 726 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:43,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:43,213 INFO L93 Difference]: Finished difference Result 1285 states and 1795 transitions. [2023-12-20 03:28:43,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:28:43,214 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-12-20 03:28:43,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:43,217 INFO L225 Difference]: With dead ends: 1285 [2023-12-20 03:28:43,217 INFO L226 Difference]: Without dead ends: 1125 [2023-12-20 03:28:43,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-20 03:28:43,218 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 2074 mSDsluCounter, 1407 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2074 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:43,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2074 Valid, 1909 Invalid, 1426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:28:43,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2023-12-20 03:28:43,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 542. [2023-12-20 03:28:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3783269961977187) internal successors, (725), 541 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:43,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 725 transitions. [2023-12-20 03:28:43,229 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 725 transitions. Word has length 76 [2023-12-20 03:28:43,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:43,229 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 725 transitions. [2023-12-20 03:28:43,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 725 transitions. [2023-12-20 03:28:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-20 03:28:43,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:43,230 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] [2023-12-20 03:28:43,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 03:28:43,230 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:43,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash -263935870, now seen corresponding path program 1 times [2023-12-20 03:28:43,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:43,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136324569] [2023-12-20 03:28:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:43,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:43,404 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 03:28:43,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:43,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136324569] [2023-12-20 03:28:43,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136324569] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:43,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:43,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:43,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484033669] [2023-12-20 03:28:43,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:43,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:43,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:43,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:43,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:43,406 INFO L87 Difference]: Start difference. First operand 542 states and 725 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:44,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:44,163 INFO L93 Difference]: Finished difference Result 1239 states and 1726 transitions. [2023-12-20 03:28:44,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:44,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-12-20 03:28:44,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:44,171 INFO L225 Difference]: With dead ends: 1239 [2023-12-20 03:28:44,171 INFO L226 Difference]: Without dead ends: 1101 [2023-12-20 03:28:44,172 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 03:28:44,172 INFO L413 NwaCegarLoop]: 446 mSDtfsCounter, 1263 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1263 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:44,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1263 Valid, 2172 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:28:44,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2023-12-20 03:28:44,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 542. [2023-12-20 03:28:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.376425855513308) internal successors, (724), 541 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 724 transitions. [2023-12-20 03:28:44,182 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 724 transitions. Word has length 76 [2023-12-20 03:28:44,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:44,182 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 724 transitions. [2023-12-20 03:28:44,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 724 transitions. [2023-12-20 03:28:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-20 03:28:44,183 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:44,183 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] [2023-12-20 03:28:44,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-20 03:28:44,183 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:44,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:44,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1457950665, now seen corresponding path program 1 times [2023-12-20 03:28:44,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:44,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309613001] [2023-12-20 03:28:44,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:44,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:44,337 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 03:28:44,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:44,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309613001] [2023-12-20 03:28:44,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309613001] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:44,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:44,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:44,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008818358] [2023-12-20 03:28:44,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:44,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:44,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:44,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:44,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:44,338 INFO L87 Difference]: Start difference. First operand 542 states and 724 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:45,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:45,034 INFO L93 Difference]: Finished difference Result 1239 states and 1724 transitions. [2023-12-20 03:28:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:45,034 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-12-20 03:28:45,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:45,037 INFO L225 Difference]: With dead ends: 1239 [2023-12-20 03:28:45,037 INFO L226 Difference]: Without dead ends: 1101 [2023-12-20 03:28:45,037 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 03:28:45,038 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 1164 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 2059 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:45,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 2059 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:28:45,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2023-12-20 03:28:45,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 542. [2023-12-20 03:28:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3745247148288973) internal successors, (723), 541 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 723 transitions. [2023-12-20 03:28:45,067 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 723 transitions. Word has length 76 [2023-12-20 03:28:45,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:45,068 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 723 transitions. [2023-12-20 03:28:45,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 723 transitions. [2023-12-20 03:28:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-20 03:28:45,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:45,069 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] [2023-12-20 03:28:45,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-20 03:28:45,069 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:45,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:45,069 INFO L85 PathProgramCache]: Analyzing trace with hash -995702185, now seen corresponding path program 1 times [2023-12-20 03:28:45,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:45,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233327437] [2023-12-20 03:28:45,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:45,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:45,205 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 03:28:45,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:45,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233327437] [2023-12-20 03:28:45,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233327437] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:45,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:45,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:45,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15003929] [2023-12-20 03:28:45,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:45,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:45,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:45,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:45,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:45,206 INFO L87 Difference]: Start difference. First operand 542 states and 723 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:45,833 INFO L93 Difference]: Finished difference Result 1235 states and 1719 transitions. [2023-12-20 03:28:45,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:45,833 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2023-12-20 03:28:45,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:45,837 INFO L225 Difference]: With dead ends: 1235 [2023-12-20 03:28:45,837 INFO L226 Difference]: Without dead ends: 1101 [2023-12-20 03:28:45,838 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 03:28:45,839 INFO L413 NwaCegarLoop]: 433 mSDtfsCounter, 1281 mSDsluCounter, 1489 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:45,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 1922 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:28:45,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2023-12-20 03:28:45,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 542. [2023-12-20 03:28:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3726235741444868) internal successors, (722), 541 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 722 transitions. [2023-12-20 03:28:45,847 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 722 transitions. Word has length 76 [2023-12-20 03:28:45,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:45,847 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 722 transitions. [2023-12-20 03:28:45,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 7 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 722 transitions. [2023-12-20 03:28:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:45,848 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:45,848 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] [2023-12-20 03:28:45,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 03:28:45,848 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:45,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:45,849 INFO L85 PathProgramCache]: Analyzing trace with hash 513544580, now seen corresponding path program 1 times [2023-12-20 03:28:45,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:45,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142663849] [2023-12-20 03:28:45,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:45,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:46,033 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 03:28:46,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:46,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142663849] [2023-12-20 03:28:46,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142663849] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:46,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:46,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:46,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406962377] [2023-12-20 03:28:46,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:46,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:46,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:46,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:46,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:46,035 INFO L87 Difference]: Start difference. First operand 542 states and 722 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:46,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:46,729 INFO L93 Difference]: Finished difference Result 1251 states and 1737 transitions. [2023-12-20 03:28:46,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:46,729 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:46,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:46,732 INFO L225 Difference]: With dead ends: 1251 [2023-12-20 03:28:46,732 INFO L226 Difference]: Without dead ends: 1101 [2023-12-20 03:28:46,733 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 03:28:46,733 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 1978 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 2040 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:46,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 2040 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:28:46,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2023-12-20 03:28:46,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 542. [2023-12-20 03:28:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3688212927756653) internal successors, (720), 541 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 720 transitions. [2023-12-20 03:28:46,742 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 720 transitions. Word has length 78 [2023-12-20 03:28:46,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:46,742 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 720 transitions. [2023-12-20 03:28:46,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 720 transitions. [2023-12-20 03:28:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:46,743 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:46,743 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] [2023-12-20 03:28:46,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-20 03:28:46,743 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:46,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:46,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2002078059, now seen corresponding path program 1 times [2023-12-20 03:28:46,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:46,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925543715] [2023-12-20 03:28:46,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:46,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:46,943 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 03:28:46,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:46,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925543715] [2023-12-20 03:28:46,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925543715] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:46,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:46,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:46,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6164505] [2023-12-20 03:28:46,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:46,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:46,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:46,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:46,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:46,945 INFO L87 Difference]: Start difference. First operand 542 states and 720 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:47,633 INFO L93 Difference]: Finished difference Result 1211 states and 1673 transitions. [2023-12-20 03:28:47,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:47,634 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:47,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:47,636 INFO L225 Difference]: With dead ends: 1211 [2023-12-20 03:28:47,636 INFO L226 Difference]: Without dead ends: 1077 [2023-12-20 03:28:47,637 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 03:28:47,637 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 1755 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1755 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:47,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1755 Valid, 1972 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:28:47,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2023-12-20 03:28:47,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 542. [2023-12-20 03:28:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.3650190114068441) internal successors, (718), 541 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 718 transitions. [2023-12-20 03:28:47,645 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 718 transitions. Word has length 78 [2023-12-20 03:28:47,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:47,645 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 718 transitions. [2023-12-20 03:28:47,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 718 transitions. [2023-12-20 03:28:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:47,646 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:47,646 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] [2023-12-20 03:28:47,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-20 03:28:47,646 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:47,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:47,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1513420061, now seen corresponding path program 1 times [2023-12-20 03:28:47,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:47,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97658238] [2023-12-20 03:28:47,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:47,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:47,778 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 03:28:47,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:47,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97658238] [2023-12-20 03:28:47,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97658238] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:47,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:47,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:47,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169961895] [2023-12-20 03:28:47,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:47,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:47,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:47,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:47,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:47,779 INFO L87 Difference]: Start difference. First operand 542 states and 718 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:48,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:48,449 INFO L93 Difference]: Finished difference Result 1315 states and 1820 transitions. [2023-12-20 03:28:48,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:28:48,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:48,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:48,452 INFO L225 Difference]: With dead ends: 1315 [2023-12-20 03:28:48,452 INFO L226 Difference]: Without dead ends: 1125 [2023-12-20 03:28:48,453 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 03:28:48,453 INFO L413 NwaCegarLoop]: 502 mSDtfsCounter, 1879 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 1940 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:48,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1879 Valid, 1940 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:28:48,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2023-12-20 03:28:48,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 542. [2023-12-20 03:28:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.361216730038023) internal successors, (716), 541 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 716 transitions. [2023-12-20 03:28:48,461 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 716 transitions. Word has length 78 [2023-12-20 03:28:48,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:48,461 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 716 transitions. [2023-12-20 03:28:48,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:48,462 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 716 transitions. [2023-12-20 03:28:48,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:48,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:48,462 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] [2023-12-20 03:28:48,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-20 03:28:48,462 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:48,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:48,463 INFO L85 PathProgramCache]: Analyzing trace with hash -675860338, now seen corresponding path program 1 times [2023-12-20 03:28:48,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:48,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689227963] [2023-12-20 03:28:48,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:48,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:48,755 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 03:28:48,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:48,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689227963] [2023-12-20 03:28:48,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689227963] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:48,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:48,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:28:48,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168146436] [2023-12-20 03:28:48,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:48,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:28:48,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:48,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:28:48,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:28:48,757 INFO L87 Difference]: Start difference. First operand 542 states and 716 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:50,123 INFO L93 Difference]: Finished difference Result 1935 states and 2731 transitions. [2023-12-20 03:28:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:28:50,123 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:50,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:50,127 INFO L225 Difference]: With dead ends: 1935 [2023-12-20 03:28:50,127 INFO L226 Difference]: Without dead ends: 1918 [2023-12-20 03:28:50,128 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 03:28:50,128 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 4108 mSDsluCounter, 2194 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4108 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 2263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:50,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4108 Valid, 2710 Invalid, 2263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-20 03:28:50,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2023-12-20 03:28:50,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 550. [2023-12-20 03:28:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.3558052434456929) internal successors, (724), 549 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 724 transitions. [2023-12-20 03:28:50,137 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 724 transitions. Word has length 78 [2023-12-20 03:28:50,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:50,137 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 724 transitions. [2023-12-20 03:28:50,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 724 transitions. [2023-12-20 03:28:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:50,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:50,138 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] [2023-12-20 03:28:50,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-20 03:28:50,138 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:50,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:50,139 INFO L85 PathProgramCache]: Analyzing trace with hash 812673141, now seen corresponding path program 1 times [2023-12-20 03:28:50,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:50,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292183950] [2023-12-20 03:28:50,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:50,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:50,318 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 03:28:50,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:50,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292183950] [2023-12-20 03:28:50,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292183950] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:50,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:50,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:50,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847157745] [2023-12-20 03:28:50,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:50,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:50,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:50,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:50,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:50,322 INFO L87 Difference]: Start difference. First operand 550 states and 724 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:50,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:50,880 INFO L93 Difference]: Finished difference Result 1090 states and 1482 transitions. [2023-12-20 03:28:50,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:50,880 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:50,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:50,886 INFO L225 Difference]: With dead ends: 1090 [2023-12-20 03:28:50,886 INFO L226 Difference]: Without dead ends: 1085 [2023-12-20 03:28:50,886 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 03:28:50,888 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 1747 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 1973 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:50,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1747 Valid, 1973 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-20 03:28:50,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2023-12-20 03:28:50,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 550. [2023-12-20 03:28:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 534 states have (on average 1.352059925093633) internal successors, (722), 549 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 722 transitions. [2023-12-20 03:28:50,912 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 722 transitions. Word has length 78 [2023-12-20 03:28:50,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:50,912 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 722 transitions. [2023-12-20 03:28:50,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 722 transitions. [2023-12-20 03:28:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:50,913 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:50,913 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] [2023-12-20 03:28:50,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-20 03:28:50,914 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:50,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:50,914 INFO L85 PathProgramCache]: Analyzing trace with hash 406757360, now seen corresponding path program 1 times [2023-12-20 03:28:50,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:50,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871545678] [2023-12-20 03:28:50,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:50,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:51,206 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 03:28:51,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:51,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871545678] [2023-12-20 03:28:51,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871545678] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:51,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:51,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:28:51,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45855363] [2023-12-20 03:28:51,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:51,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:28:51,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:51,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:28:51,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:28:51,208 INFO L87 Difference]: Start difference. First operand 550 states and 722 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:52,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:52,293 INFO L93 Difference]: Finished difference Result 1735 states and 2428 transitions. [2023-12-20 03:28:52,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:28:52,294 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:52,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:52,298 INFO L225 Difference]: With dead ends: 1735 [2023-12-20 03:28:52,298 INFO L226 Difference]: Without dead ends: 1730 [2023-12-20 03:28:52,298 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 03:28:52,299 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 4301 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4301 SdHoareTripleChecker+Valid, 1821 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:52,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4301 Valid, 1821 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 03:28:52,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2023-12-20 03:28:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 558. [2023-12-20 03:28:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 542 states have (on average 1.3468634686346863) internal successors, (730), 557 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 730 transitions. [2023-12-20 03:28:52,324 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 730 transitions. Word has length 78 [2023-12-20 03:28:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:52,324 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 730 transitions. [2023-12-20 03:28:52,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 730 transitions. [2023-12-20 03:28:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:52,325 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:52,325 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] [2023-12-20 03:28:52,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-20 03:28:52,326 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:52,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:52,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1340403830, now seen corresponding path program 1 times [2023-12-20 03:28:52,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:52,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254303263] [2023-12-20 03:28:52,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:52,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:52,589 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 03:28:52,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:52,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254303263] [2023-12-20 03:28:52,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254303263] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:52,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:52,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:52,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097684665] [2023-12-20 03:28:52,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:52,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:52,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:52,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:52,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:52,590 INFO L87 Difference]: Start difference. First operand 558 states and 730 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:53,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:53,249 INFO L93 Difference]: Finished difference Result 1215 states and 1668 transitions. [2023-12-20 03:28:53,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:53,251 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:53,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:53,253 INFO L225 Difference]: With dead ends: 1215 [2023-12-20 03:28:53,253 INFO L226 Difference]: Without dead ends: 1085 [2023-12-20 03:28:53,254 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 03:28:53,254 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 1742 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:53,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 1962 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:28:53,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2023-12-20 03:28:53,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 558. [2023-12-20 03:28:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 542 states have (on average 1.3431734317343174) internal successors, (728), 557 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 728 transitions. [2023-12-20 03:28:53,262 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 728 transitions. Word has length 78 [2023-12-20 03:28:53,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:53,263 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 728 transitions. [2023-12-20 03:28:53,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 728 transitions. [2023-12-20 03:28:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:53,263 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:53,263 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] [2023-12-20 03:28:53,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-20 03:28:53,264 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:53,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:53,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1562286502, now seen corresponding path program 1 times [2023-12-20 03:28:53,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:53,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113273562] [2023-12-20 03:28:53,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:53,429 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 03:28:53,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:53,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113273562] [2023-12-20 03:28:53,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113273562] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:53,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:53,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:53,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719493257] [2023-12-20 03:28:53,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:53,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:53,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:53,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:53,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:53,431 INFO L87 Difference]: Start difference. First operand 558 states and 728 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:54,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:54,145 INFO L93 Difference]: Finished difference Result 1216 states and 1667 transitions. [2023-12-20 03:28:54,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:54,145 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:54,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:54,148 INFO L225 Difference]: With dead ends: 1216 [2023-12-20 03:28:54,148 INFO L226 Difference]: Without dead ends: 1085 [2023-12-20 03:28:54,148 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 03:28:54,149 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 1742 mSDsluCounter, 1572 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 1958 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:54,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 1958 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1417 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:28:54,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2023-12-20 03:28:54,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 558. [2023-12-20 03:28:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 542 states have (on average 1.3413284132841328) internal successors, (727), 557 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 727 transitions. [2023-12-20 03:28:54,155 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 727 transitions. Word has length 78 [2023-12-20 03:28:54,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:54,155 INFO L495 AbstractCegarLoop]: Abstraction has 558 states and 727 transitions. [2023-12-20 03:28:54,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 727 transitions. [2023-12-20 03:28:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:54,156 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:54,156 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] [2023-12-20 03:28:54,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-20 03:28:54,156 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:54,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:54,157 INFO L85 PathProgramCache]: Analyzing trace with hash 978066431, now seen corresponding path program 1 times [2023-12-20 03:28:54,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:54,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950291108] [2023-12-20 03:28:54,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:54,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:54,406 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 03:28:54,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:54,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950291108] [2023-12-20 03:28:54,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950291108] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:54,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:54,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:28:54,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873896936] [2023-12-20 03:28:54,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:54,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:28:54,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:54,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:28:54,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:28:54,408 INFO L87 Difference]: Start difference. First operand 558 states and 727 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:55,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:55,620 INFO L93 Difference]: Finished difference Result 2069 states and 2921 transitions. [2023-12-20 03:28:55,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-20 03:28:55,620 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:55,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:55,624 INFO L225 Difference]: With dead ends: 2069 [2023-12-20 03:28:55,625 INFO L226 Difference]: Without dead ends: 1926 [2023-12-20 03:28:55,625 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 03:28:55,626 INFO L413 NwaCegarLoop]: 505 mSDtfsCounter, 4183 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4183 SdHoareTripleChecker+Valid, 2180 SdHoareTripleChecker+Invalid, 1840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:55,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4183 Valid, 2180 Invalid, 1840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-20 03:28:55,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2023-12-20 03:28:55,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 562. [2023-12-20 03:28:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 546 states have (on average 1.3388278388278387) internal successors, (731), 561 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 731 transitions. [2023-12-20 03:28:55,634 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 731 transitions. Word has length 78 [2023-12-20 03:28:55,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:55,634 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 731 transitions. [2023-12-20 03:28:55,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 10 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:55,635 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 731 transitions. [2023-12-20 03:28:55,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:55,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:55,635 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] [2023-12-20 03:28:55,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-20 03:28:55,635 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:55,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:55,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1364256377, now seen corresponding path program 1 times [2023-12-20 03:28:55,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:55,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671525727] [2023-12-20 03:28:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:55,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:55,754 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 03:28:55,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:55,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671525727] [2023-12-20 03:28:55,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671525727] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:55,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:55,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:55,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678334758] [2023-12-20 03:28:55,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:55,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:55,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:55,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:55,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:55,756 INFO L87 Difference]: Start difference. First operand 562 states and 731 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:56,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:56,396 INFO L93 Difference]: Finished difference Result 1220 states and 1670 transitions. [2023-12-20 03:28:56,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:28:56,396 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:56,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:56,399 INFO L225 Difference]: With dead ends: 1220 [2023-12-20 03:28:56,399 INFO L226 Difference]: Without dead ends: 1089 [2023-12-20 03:28:56,399 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 03:28:56,403 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 1344 mSDsluCounter, 1256 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 1676 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:56,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 1676 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:28:56,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-12-20 03:28:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 562. [2023-12-20 03:28:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 546 states have (on average 1.336996336996337) internal successors, (730), 561 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 730 transitions. [2023-12-20 03:28:56,416 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 730 transitions. Word has length 78 [2023-12-20 03:28:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:56,416 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 730 transitions. [2023-12-20 03:28:56,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 730 transitions. [2023-12-20 03:28:56,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:56,417 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:56,417 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] [2023-12-20 03:28:56,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-20 03:28:56,417 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:56,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:56,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2113755607, now seen corresponding path program 1 times [2023-12-20 03:28:56,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:56,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895187136] [2023-12-20 03:28:56,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:56,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:56,636 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 03:28:56,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:56,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895187136] [2023-12-20 03:28:56,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895187136] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:56,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:56,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:56,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820065956] [2023-12-20 03:28:56,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:56,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:56,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:56,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:56,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:56,638 INFO L87 Difference]: Start difference. First operand 562 states and 730 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:57,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:57,304 INFO L93 Difference]: Finished difference Result 1217 states and 1665 transitions. [2023-12-20 03:28:57,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:57,305 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:57,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:57,307 INFO L225 Difference]: With dead ends: 1217 [2023-12-20 03:28:57,307 INFO L226 Difference]: Without dead ends: 1089 [2023-12-20 03:28:57,307 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 03:28:57,307 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 1733 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 1957 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:57,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 1957 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:28:57,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-12-20 03:28:57,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 562. [2023-12-20 03:28:57,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 546 states have (on average 1.335164835164835) internal successors, (729), 561 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 729 transitions. [2023-12-20 03:28:57,319 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 729 transitions. Word has length 78 [2023-12-20 03:28:57,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:57,319 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 729 transitions. [2023-12-20 03:28:57,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 729 transitions. [2023-12-20 03:28:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:57,322 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:57,322 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] [2023-12-20 03:28:57,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-20 03:28:57,322 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:57,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:57,322 INFO L85 PathProgramCache]: Analyzing trace with hash 390823278, now seen corresponding path program 1 times [2023-12-20 03:28:57,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:57,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976746833] [2023-12-20 03:28:57,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:57,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:57,472 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 03:28:57,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:57,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976746833] [2023-12-20 03:28:57,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976746833] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:57,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:57,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:57,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591779708] [2023-12-20 03:28:57,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:57,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:57,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:57,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:57,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:57,481 INFO L87 Difference]: Start difference. First operand 562 states and 729 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:58,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:58,132 INFO L93 Difference]: Finished difference Result 1094 states and 1476 transitions. [2023-12-20 03:28:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:28:58,133 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:58,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:58,135 INFO L225 Difference]: With dead ends: 1094 [2023-12-20 03:28:58,135 INFO L226 Difference]: Without dead ends: 1089 [2023-12-20 03:28:58,135 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 03:28:58,135 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 1966 mSDsluCounter, 1258 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:58,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1966 Valid, 1678 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:28:58,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-12-20 03:28:58,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 562. [2023-12-20 03:28:58,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 546 states have (on average 1.3333333333333333) internal successors, (728), 561 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 728 transitions. [2023-12-20 03:28:58,142 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 728 transitions. Word has length 78 [2023-12-20 03:28:58,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:58,143 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 728 transitions. [2023-12-20 03:28:58,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 728 transitions. [2023-12-20 03:28:58,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:58,143 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:58,144 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] [2023-12-20 03:28:58,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-20 03:28:58,144 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:58,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:58,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1188609875, now seen corresponding path program 1 times [2023-12-20 03:28:58,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:58,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458224106] [2023-12-20 03:28:58,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:58,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:58,340 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 03:28:58,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:58,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458224106] [2023-12-20 03:28:58,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458224106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:58,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:58,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:58,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29528100] [2023-12-20 03:28:58,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:58,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:58,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:58,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:58,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:58,341 INFO L87 Difference]: Start difference. First operand 562 states and 728 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:59,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:59,032 INFO L93 Difference]: Finished difference Result 1217 states and 1662 transitions. [2023-12-20 03:28:59,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:28:59,032 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:59,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:59,034 INFO L225 Difference]: With dead ends: 1217 [2023-12-20 03:28:59,034 INFO L226 Difference]: Without dead ends: 1089 [2023-12-20 03:28:59,034 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 03:28:59,034 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 1726 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:59,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1726 Valid, 2181 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:28:59,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-12-20 03:28:59,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 562. [2023-12-20 03:28:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 546 states have (on average 1.3315018315018314) internal successors, (727), 561 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:59,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 727 transitions. [2023-12-20 03:28:59,041 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 727 transitions. Word has length 78 [2023-12-20 03:28:59,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:59,041 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 727 transitions. [2023-12-20 03:28:59,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:59,041 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 727 transitions. [2023-12-20 03:28:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-20 03:28:59,042 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:59,042 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] [2023-12-20 03:28:59,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-20 03:28:59,042 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:59,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:59,042 INFO L85 PathProgramCache]: Analyzing trace with hash 848969234, now seen corresponding path program 1 times [2023-12-20 03:28:59,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:59,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168787081] [2023-12-20 03:28:59,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:59,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:59,191 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 03:28:59,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:59,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168787081] [2023-12-20 03:28:59,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168787081] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:59,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:59,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:59,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237586501] [2023-12-20 03:28:59,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:59,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:59,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:59,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:59,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:59,193 INFO L87 Difference]: Start difference. First operand 562 states and 727 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:59,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:28:59,847 INFO L93 Difference]: Finished difference Result 1217 states and 1661 transitions. [2023-12-20 03:28:59,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:28:59,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2023-12-20 03:28:59,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:28:59,850 INFO L225 Difference]: With dead ends: 1217 [2023-12-20 03:28:59,850 INFO L226 Difference]: Without dead ends: 1089 [2023-12-20 03:28:59,851 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 03:28:59,851 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 1345 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:28:59,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 1672 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:28:59,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-12-20 03:28:59,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 562. [2023-12-20 03:28:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 546 states have (on average 1.3296703296703296) internal successors, (726), 561 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 726 transitions. [2023-12-20 03:28:59,860 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 726 transitions. Word has length 78 [2023-12-20 03:28:59,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:28:59,860 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 726 transitions. [2023-12-20 03:28:59,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:28:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 726 transitions. [2023-12-20 03:28:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-20 03:28:59,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:28:59,861 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] [2023-12-20 03:28:59,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-20 03:28:59,861 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:28:59,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:28:59,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2131483169, now seen corresponding path program 1 times [2023-12-20 03:28:59,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:28:59,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728008050] [2023-12-20 03:28:59,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:28:59,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:28:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:28:59,982 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 03:28:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:28:59,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728008050] [2023-12-20 03:28:59,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728008050] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:28:59,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:28:59,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:28:59,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456597176] [2023-12-20 03:28:59,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:28:59,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:28:59,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:28:59,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:28:59,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:28:59,984 INFO L87 Difference]: Start difference. First operand 562 states and 726 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:00,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:00,662 INFO L93 Difference]: Finished difference Result 1094 states and 1471 transitions. [2023-12-20 03:29:00,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:29:00,663 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-20 03:29:00,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:00,664 INFO L225 Difference]: With dead ends: 1094 [2023-12-20 03:29:00,664 INFO L226 Difference]: Without dead ends: 1089 [2023-12-20 03:29:00,665 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 03:29:00,665 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 1956 mSDsluCounter, 1263 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:00,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1956 Valid, 1686 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:29:00,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2023-12-20 03:29:00,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 554. [2023-12-20 03:29:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 538 states have (on average 1.3308550185873607) internal successors, (716), 553 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 716 transitions. [2023-12-20 03:29:00,671 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 716 transitions. Word has length 79 [2023-12-20 03:29:00,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:00,671 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 716 transitions. [2023-12-20 03:29:00,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:00,671 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 716 transitions. [2023-12-20 03:29:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-20 03:29:00,672 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:00,672 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] [2023-12-20 03:29:00,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-20 03:29:00,672 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:00,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:00,673 INFO L85 PathProgramCache]: Analyzing trace with hash -656117800, now seen corresponding path program 1 times [2023-12-20 03:29:00,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:00,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789301170] [2023-12-20 03:29:00,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:00,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:00,794 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 03:29:00,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:00,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789301170] [2023-12-20 03:29:00,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789301170] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:00,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:00,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:00,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813455609] [2023-12-20 03:29:00,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:00,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:29:00,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:00,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:29:00,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:29:00,795 INFO L87 Difference]: Start difference. First operand 554 states and 716 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:01,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:01,546 INFO L93 Difference]: Finished difference Result 1118 states and 1509 transitions. [2023-12-20 03:29:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:29:01,546 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-20 03:29:01,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:01,548 INFO L225 Difference]: With dead ends: 1118 [2023-12-20 03:29:01,548 INFO L226 Difference]: Without dead ends: 1101 [2023-12-20 03:29:01,548 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 03:29:01,549 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 1261 mSDsluCounter, 1408 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 1881 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:01,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 1881 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:29:01,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2023-12-20 03:29:01,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 546. [2023-12-20 03:29:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 530 states have (on average 1.3320754716981131) internal successors, (706), 545 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:01,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 706 transitions. [2023-12-20 03:29:01,556 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 706 transitions. Word has length 79 [2023-12-20 03:29:01,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:01,557 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 706 transitions. [2023-12-20 03:29:01,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 706 transitions. [2023-12-20 03:29:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-20 03:29:01,558 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:01,558 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] [2023-12-20 03:29:01,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-20 03:29:01,558 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:01,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:01,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1464004193, now seen corresponding path program 1 times [2023-12-20 03:29:01,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:01,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780302395] [2023-12-20 03:29:01,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:01,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:01,717 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 03:29:01,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:01,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780302395] [2023-12-20 03:29:01,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780302395] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:01,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:01,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:01,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124477390] [2023-12-20 03:29:01,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:01,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:29:01,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:01,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:29:01,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:29:01,719 INFO L87 Difference]: Start difference. First operand 546 states and 706 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:02,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:02,422 INFO L93 Difference]: Finished difference Result 1244 states and 1698 transitions. [2023-12-20 03:29:02,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:29:02,423 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-20 03:29:02,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:02,424 INFO L225 Difference]: With dead ends: 1244 [2023-12-20 03:29:02,424 INFO L226 Difference]: Without dead ends: 1101 [2023-12-20 03:29:02,425 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 03:29:02,425 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 1802 mSDsluCounter, 1447 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 1376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:02,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 1933 Invalid, 1376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-20 03:29:02,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2023-12-20 03:29:02,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 542. [2023-12-20 03:29:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 526 states have (on average 1.332699619771863) internal successors, (701), 541 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:02,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 701 transitions. [2023-12-20 03:29:02,431 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 701 transitions. Word has length 79 [2023-12-20 03:29:02,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:02,431 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 701 transitions. [2023-12-20 03:29:02,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 701 transitions. [2023-12-20 03:29:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-20 03:29:02,432 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:02,432 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] [2023-12-20 03:29:02,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-20 03:29:02,432 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:02,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:02,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1401129693, now seen corresponding path program 1 times [2023-12-20 03:29:02,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:02,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181345878] [2023-12-20 03:29:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:02,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:02,570 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 03:29:02,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:02,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181345878] [2023-12-20 03:29:02,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181345878] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:02,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:02,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:02,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95557290] [2023-12-20 03:29:02,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:02,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:29:02,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:02,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:29:02,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:29:02,572 INFO L87 Difference]: Start difference. First operand 542 states and 701 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:03,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:03,198 INFO L93 Difference]: Finished difference Result 1203 states and 1640 transitions. [2023-12-20 03:29:03,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:29:03,198 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2023-12-20 03:29:03,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:03,200 INFO L225 Difference]: With dead ends: 1203 [2023-12-20 03:29:03,200 INFO L226 Difference]: Without dead ends: 1076 [2023-12-20 03:29:03,200 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 03:29:03,201 INFO L413 NwaCegarLoop]: 419 mSDtfsCounter, 1707 mSDsluCounter, 1658 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 2077 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:03,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 2077 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:29:03,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2023-12-20 03:29:03,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 541. [2023-12-20 03:29:03,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 525 states have (on average 1.3314285714285714) internal successors, (699), 540 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 699 transitions. [2023-12-20 03:29:03,206 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 699 transitions. Word has length 79 [2023-12-20 03:29:03,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:03,206 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 699 transitions. [2023-12-20 03:29:03,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 7 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:03,207 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 699 transitions. [2023-12-20 03:29:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 03:29:03,207 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:03,207 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] [2023-12-20 03:29:03,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-20 03:29:03,207 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:03,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:03,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1269258616, now seen corresponding path program 1 times [2023-12-20 03:29:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:03,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64709210] [2023-12-20 03:29:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:03,670 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 03:29:03,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:03,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64709210] [2023-12-20 03:29:03,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64709210] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:03,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:03,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-20 03:29:03,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053003139] [2023-12-20 03:29:03,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:03,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 03:29:03,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:03,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 03:29:03,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-20 03:29:03,672 INFO L87 Difference]: Start difference. First operand 541 states and 699 transitions. Second operand has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:04,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:04,722 INFO L93 Difference]: Finished difference Result 2494 states and 3491 transitions. [2023-12-20 03:29:04,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-20 03:29:04,723 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-20 03:29:04,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:04,726 INFO L225 Difference]: With dead ends: 2494 [2023-12-20 03:29:04,726 INFO L226 Difference]: Without dead ends: 2346 [2023-12-20 03:29:04,727 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 03:29:04,727 INFO L413 NwaCegarLoop]: 1122 mSDtfsCounter, 2444 mSDsluCounter, 8432 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2444 SdHoareTripleChecker+Valid, 9554 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:04,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2444 Valid, 9554 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1579 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 03:29:04,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2023-12-20 03:29:04,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 519. [2023-12-20 03:29:04,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 505 states have (on average 1.3247524752475248) internal successors, (669), 518 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 669 transitions. [2023-12-20 03:29:04,734 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 669 transitions. Word has length 80 [2023-12-20 03:29:04,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:04,735 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 669 transitions. [2023-12-20 03:29:04,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:04,735 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 669 transitions. [2023-12-20 03:29:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 03:29:04,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:04,735 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] [2023-12-20 03:29:04,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-20 03:29:04,736 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:04,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:04,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1637753759, now seen corresponding path program 1 times [2023-12-20 03:29:04,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:04,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339167263] [2023-12-20 03:29:04,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:04,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:05,065 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 03:29:05,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:05,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339167263] [2023-12-20 03:29:05,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339167263] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:05,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:05,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:29:05,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310165047] [2023-12-20 03:29:05,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:05,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:29:05,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:29:05,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:29:05,066 INFO L87 Difference]: Start difference. First operand 519 states and 669 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:05,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:05,668 INFO L93 Difference]: Finished difference Result 930 states and 1227 transitions. [2023-12-20 03:29:05,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:29:05,669 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-20 03:29:05,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:05,678 INFO L225 Difference]: With dead ends: 930 [2023-12-20 03:29:05,678 INFO L226 Difference]: Without dead ends: 798 [2023-12-20 03:29:05,679 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 03:29:05,679 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 2569 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 1867 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:05,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 1867 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 03:29:05,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2023-12-20 03:29:05,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 507. [2023-12-20 03:29:05,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 494 states have (on average 1.319838056680162) internal successors, (652), 506 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 652 transitions. [2023-12-20 03:29:05,683 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 652 transitions. Word has length 80 [2023-12-20 03:29:05,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:05,683 INFO L495 AbstractCegarLoop]: Abstraction has 507 states and 652 transitions. [2023-12-20 03:29:05,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 652 transitions. [2023-12-20 03:29:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 03:29:05,684 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:05,684 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] [2023-12-20 03:29:05,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-20 03:29:05,684 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:05,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:05,685 INFO L85 PathProgramCache]: Analyzing trace with hash 652259760, now seen corresponding path program 1 times [2023-12-20 03:29:05,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:05,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520445528] [2023-12-20 03:29:05,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:05,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:05,987 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 03:29:05,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:05,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520445528] [2023-12-20 03:29:05,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520445528] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:05,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:05,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-20 03:29:05,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285102060] [2023-12-20 03:29:05,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:05,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 03:29:05,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:05,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 03:29:05,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-20 03:29:05,989 INFO L87 Difference]: Start difference. First operand 507 states and 652 transitions. Second operand has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:06,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:06,629 INFO L93 Difference]: Finished difference Result 1380 states and 1835 transitions. [2023-12-20 03:29:06,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:29:06,629 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-20 03:29:06,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:06,630 INFO L225 Difference]: With dead ends: 1380 [2023-12-20 03:29:06,631 INFO L226 Difference]: Without dead ends: 1234 [2023-12-20 03:29:06,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2023-12-20 03:29:06,631 INFO L413 NwaCegarLoop]: 806 mSDtfsCounter, 2235 mSDsluCounter, 4531 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2235 SdHoareTripleChecker+Valid, 5337 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:06,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2235 Valid, 5337 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 03:29:06,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2023-12-20 03:29:06,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 483. [2023-12-20 03:29:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 471 states have (on average 1.316348195329087) internal successors, (620), 482 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 620 transitions. [2023-12-20 03:29:06,636 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 620 transitions. Word has length 80 [2023-12-20 03:29:06,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:06,637 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 620 transitions. [2023-12-20 03:29:06,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.153846153846154) internal successors, (80), 12 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:06,637 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 620 transitions. [2023-12-20 03:29:06,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 03:29:06,637 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:06,637 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] [2023-12-20 03:29:06,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-20 03:29:06,637 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:06,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:06,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1080890953, now seen corresponding path program 1 times [2023-12-20 03:29:06,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:06,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993498766] [2023-12-20 03:29:06,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:06,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:06,967 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 03:29:06,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:06,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993498766] [2023-12-20 03:29:06,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993498766] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:06,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:06,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:29:06,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167752405] [2023-12-20 03:29:06,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:06,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:29:06,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:06,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:29:06,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:29:06,969 INFO L87 Difference]: Start difference. First operand 483 states and 620 transitions. Second operand has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:07,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:07,427 INFO L93 Difference]: Finished difference Result 999 states and 1374 transitions. [2023-12-20 03:29:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-20 03:29:07,428 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-20 03:29:07,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:07,429 INFO L225 Difference]: With dead ends: 999 [2023-12-20 03:29:07,429 INFO L226 Difference]: Without dead ends: 777 [2023-12-20 03:29:07,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2023-12-20 03:29:07,430 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 2237 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 3393 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:07,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2237 Valid, 3393 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:29:07,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2023-12-20 03:29:07,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 387. [2023-12-20 03:29:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 379 states have (on average 1.316622691292876) internal successors, (499), 386 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 499 transitions. [2023-12-20 03:29:07,434 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 499 transitions. Word has length 80 [2023-12-20 03:29:07,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:07,434 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 499 transitions. [2023-12-20 03:29:07,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.666666666666667) internal successors, (80), 11 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 499 transitions. [2023-12-20 03:29:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 03:29:07,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:07,434 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] [2023-12-20 03:29:07,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-20 03:29:07,435 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:07,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:07,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1272157338, now seen corresponding path program 1 times [2023-12-20 03:29:07,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:07,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529680802] [2023-12-20 03:29:07,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:07,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:08,705 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 03:29:08,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:08,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529680802] [2023-12-20 03:29:08,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529680802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:08,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:08,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2023-12-20 03:29:08,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579154596] [2023-12-20 03:29:08,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:08,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-12-20 03:29:08,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:08,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-12-20 03:29:08,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812 [2023-12-20 03:29:08,708 INFO L87 Difference]: Start difference. First operand 387 states and 499 transitions. Second operand has 29 states, 29 states have (on average 2.7586206896551726) internal successors, (80), 28 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:12,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:12,742 INFO L93 Difference]: Finished difference Result 1084 states and 1448 transitions. [2023-12-20 03:29:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-20 03:29:12,742 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 2.7586206896551726) internal successors, (80), 28 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-20 03:29:12,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:12,743 INFO L225 Difference]: With dead ends: 1084 [2023-12-20 03:29:12,743 INFO L226 Difference]: Without dead ends: 954 [2023-12-20 03:29:12,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=461, Invalid=2191, Unknown=0, NotChecked=0, Total=2652 [2023-12-20 03:29:12,745 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 2371 mSDsluCounter, 9976 mSDsCounter, 0 mSdLazyCounter, 6474 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 10674 SdHoareTripleChecker+Invalid, 6477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:12,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 10674 Invalid, 6477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6474 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-20 03:29:12,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2023-12-20 03:29:12,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 403. [2023-12-20 03:29:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 395 states have (on average 1.3139240506329113) internal successors, (519), 402 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 519 transitions. [2023-12-20 03:29:12,749 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 519 transitions. Word has length 80 [2023-12-20 03:29:12,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:12,749 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 519 transitions. [2023-12-20 03:29:12,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.7586206896551726) internal successors, (80), 28 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 519 transitions. [2023-12-20 03:29:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-20 03:29:12,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:12,750 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] [2023-12-20 03:29:12,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-20 03:29:12,750 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:12,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:12,750 INFO L85 PathProgramCache]: Analyzing trace with hash -659382271, now seen corresponding path program 1 times [2023-12-20 03:29:12,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:12,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100048488] [2023-12-20 03:29:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:12,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:13,028 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 03:29:13,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:13,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100048488] [2023-12-20 03:29:13,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100048488] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:13,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:13,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:29:13,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318109903] [2023-12-20 03:29:13,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:13,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:29:13,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:13,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:29:13,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:29:13,030 INFO L87 Difference]: Start difference. First operand 403 states and 519 transitions. Second operand has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:13,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:13,389 INFO L93 Difference]: Finished difference Result 961 states and 1332 transitions. [2023-12-20 03:29:13,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-20 03:29:13,389 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-12-20 03:29:13,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:13,390 INFO L225 Difference]: With dead ends: 961 [2023-12-20 03:29:13,390 INFO L226 Difference]: Without dead ends: 702 [2023-12-20 03:29:13,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2023-12-20 03:29:13,391 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 1527 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1527 SdHoareTripleChecker+Valid, 1609 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:13,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1527 Valid, 1609 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:29:13,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2023-12-20 03:29:13,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 270. [2023-12-20 03:29:13,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 267 states have (on average 1.3183520599250935) internal successors, (352), 269 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:13,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 352 transitions. [2023-12-20 03:29:13,394 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 352 transitions. Word has length 80 [2023-12-20 03:29:13,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:13,394 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 352 transitions. [2023-12-20 03:29:13,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 10 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:13,394 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 352 transitions. [2023-12-20 03:29:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-20 03:29:13,394 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:13,395 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] [2023-12-20 03:29:13,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-20 03:29:13,395 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:13,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:13,395 INFO L85 PathProgramCache]: Analyzing trace with hash 659418620, now seen corresponding path program 1 times [2023-12-20 03:29:13,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:13,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073403775] [2023-12-20 03:29:13,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:13,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:13,507 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 03:29:13,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:13,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073403775] [2023-12-20 03:29:13,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073403775] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:13,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:13,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:13,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258954647] [2023-12-20 03:29:13,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:13,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:29:13,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:13,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:29:13,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:29:13,508 INFO L87 Difference]: Start difference. First operand 270 states and 352 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:13,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:13,817 INFO L93 Difference]: Finished difference Result 600 states and 824 transitions. [2023-12-20 03:29:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-20 03:29:13,818 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-20 03:29:13,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:13,818 INFO L225 Difference]: With dead ends: 600 [2023-12-20 03:29:13,818 INFO L226 Difference]: Without dead ends: 444 [2023-12-20 03:29:13,819 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 03:29:13,819 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 778 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:13,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 671 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:29:13,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-12-20 03:29:13,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 270. [2023-12-20 03:29:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 267 states have (on average 1.3108614232209739) internal successors, (350), 269 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 350 transitions. [2023-12-20 03:29:13,822 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 350 transitions. Word has length 81 [2023-12-20 03:29:13,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:13,822 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 350 transitions. [2023-12-20 03:29:13,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 350 transitions. [2023-12-20 03:29:13,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-20 03:29:13,822 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:13,822 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] [2023-12-20 03:29:13,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-20 03:29:13,822 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:13,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:13,823 INFO L85 PathProgramCache]: Analyzing trace with hash 110288228, now seen corresponding path program 1 times [2023-12-20 03:29:13,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:13,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101144561] [2023-12-20 03:29:13,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:13,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:14,037 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 03:29:14,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:14,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101144561] [2023-12-20 03:29:14,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101144561] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:14,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:14,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-20 03:29:14,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369962874] [2023-12-20 03:29:14,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:14,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 03:29:14,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:14,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 03:29:14,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:29:14,039 INFO L87 Difference]: Start difference. First operand 270 states and 350 transitions. Second operand has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:14,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:14,622 INFO L93 Difference]: Finished difference Result 780 states and 1080 transitions. [2023-12-20 03:29:14,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-20 03:29:14,622 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2023-12-20 03:29:14,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:14,623 INFO L225 Difference]: With dead ends: 780 [2023-12-20 03:29:14,623 INFO L226 Difference]: Without dead ends: 773 [2023-12-20 03:29:14,624 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 03:29:14,624 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 1760 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 707 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:14,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 904 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 707 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-20 03:29:14,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2023-12-20 03:29:14,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 274. [2023-12-20 03:29:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 271 states have (on average 1.3062730627306274) internal successors, (354), 273 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 354 transitions. [2023-12-20 03:29:14,627 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 354 transitions. Word has length 81 [2023-12-20 03:29:14,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:14,627 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 354 transitions. [2023-12-20 03:29:14,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.363636363636363) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 354 transitions. [2023-12-20 03:29:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-20 03:29:14,628 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:14,628 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] [2023-12-20 03:29:14,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-20 03:29:14,628 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:14,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:14,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1625170428, now seen corresponding path program 1 times [2023-12-20 03:29:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:14,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079519702] [2023-12-20 03:29:14,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:14,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:14,768 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 03:29:14,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:14,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079519702] [2023-12-20 03:29:14,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079519702] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:14,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:14,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:14,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719429691] [2023-12-20 03:29:14,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:14,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 03:29:14,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:14,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 03:29:14,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-20 03:29:14,769 INFO L87 Difference]: Start difference. First operand 274 states and 354 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:14,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:14,999 INFO L93 Difference]: Finished difference Result 453 states and 601 transitions. [2023-12-20 03:29:14,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-20 03:29:14,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2023-12-20 03:29:14,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:15,000 INFO L225 Difference]: With dead ends: 453 [2023-12-20 03:29:15,000 INFO L226 Difference]: Without dead ends: 446 [2023-12-20 03:29:15,000 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 03:29:15,000 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 662 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:15,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 820 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:29:15,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2023-12-20 03:29:15,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 270. [2023-12-20 03:29:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 267 states have (on average 1.307116104868914) internal successors, (349), 269 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 349 transitions. [2023-12-20 03:29:15,003 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 349 transitions. Word has length 82 [2023-12-20 03:29:15,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:15,003 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 349 transitions. [2023-12-20 03:29:15,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 349 transitions. [2023-12-20 03:29:15,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-20 03:29:15,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:15,004 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] [2023-12-20 03:29:15,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-20 03:29:15,004 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:15,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:15,004 INFO L85 PathProgramCache]: Analyzing trace with hash -571562505, now seen corresponding path program 1 times [2023-12-20 03:29:15,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:15,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068743545] [2023-12-20 03:29:15,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:15,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:15,328 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 03:29:15,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:15,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068743545] [2023-12-20 03:29:15,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068743545] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:15,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:15,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-20 03:29:15,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459132498] [2023-12-20 03:29:15,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:15,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-20 03:29:15,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:15,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-20 03:29:15,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-20 03:29:15,332 INFO L87 Difference]: Start difference. First operand 270 states and 349 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:15,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:15,715 INFO L93 Difference]: Finished difference Result 716 states and 993 transitions. [2023-12-20 03:29:15,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-20 03:29:15,715 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-20 03:29:15,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:15,716 INFO L225 Difference]: With dead ends: 716 [2023-12-20 03:29:15,716 INFO L226 Difference]: Without dead ends: 710 [2023-12-20 03:29:15,717 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 03:29:15,723 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 991 mSDsluCounter, 1779 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 2244 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:15,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 2244 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:29:15,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2023-12-20 03:29:15,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 264. [2023-12-20 03:29:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 262 states have (on average 1.3053435114503817) internal successors, (342), 263 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 342 transitions. [2023-12-20 03:29:15,728 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 342 transitions. Word has length 83 [2023-12-20 03:29:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:15,730 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 342 transitions. [2023-12-20 03:29:15,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 11 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 342 transitions. [2023-12-20 03:29:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-20 03:29:15,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:15,734 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] [2023-12-20 03:29:15,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-20 03:29:15,734 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:15,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:15,735 INFO L85 PathProgramCache]: Analyzing trace with hash 664227807, now seen corresponding path program 1 times [2023-12-20 03:29:15,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:15,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870478372] [2023-12-20 03:29:15,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:15,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:16,458 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 03:29:16,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:16,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870478372] [2023-12-20 03:29:16,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870478372] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:16,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:16,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-20 03:29:16,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275248692] [2023-12-20 03:29:16,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:16,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-20 03:29:16,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:16,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-20 03:29:16,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2023-12-20 03:29:16,469 INFO L87 Difference]: Start difference. First operand 264 states and 342 transitions. Second operand has 26 states, 26 states have (on average 3.1923076923076925) internal successors, (83), 26 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:17,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:17,620 INFO L93 Difference]: Finished difference Result 305 states and 385 transitions. [2023-12-20 03:29:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-20 03:29:17,620 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.1923076923076925) internal successors, (83), 26 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2023-12-20 03:29:17,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:17,620 INFO L225 Difference]: With dead ends: 305 [2023-12-20 03:29:17,620 INFO L226 Difference]: Without dead ends: 297 [2023-12-20 03:29:17,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=347, Invalid=1909, Unknown=0, NotChecked=0, Total=2256 [2023-12-20 03:29:17,621 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 525 mSDsluCounter, 2366 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 2521 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:17,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 2521 Invalid, 1537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 03:29:17,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-12-20 03:29:17,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 278. [2023-12-20 03:29:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 276 states have (on average 1.3007246376811594) internal successors, (359), 277 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 359 transitions. [2023-12-20 03:29:17,624 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 359 transitions. Word has length 83 [2023-12-20 03:29:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:17,624 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 359 transitions. [2023-12-20 03:29:17,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.1923076923076925) internal successors, (83), 26 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 359 transitions. [2023-12-20 03:29:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-20 03:29:17,624 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:17,624 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] [2023-12-20 03:29:17,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-20 03:29:17,624 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:17,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:17,625 INFO L85 PathProgramCache]: Analyzing trace with hash 344900036, now seen corresponding path program 1 times [2023-12-20 03:29:17,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:17,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478894577] [2023-12-20 03:29:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:17,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:18,000 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 03:29:18,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:18,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478894577] [2023-12-20 03:29:18,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478894577] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:18,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:18,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-20 03:29:18,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060134640] [2023-12-20 03:29:18,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:18,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-20 03:29:18,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:18,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-20 03:29:18,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-20 03:29:18,002 INFO L87 Difference]: Start difference. First operand 278 states and 359 transitions. Second operand has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:18,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:18,524 INFO L93 Difference]: Finished difference Result 1028 states and 1449 transitions. [2023-12-20 03:29:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-20 03:29:18,525 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2023-12-20 03:29:18,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:18,526 INFO L225 Difference]: With dead ends: 1028 [2023-12-20 03:29:18,526 INFO L226 Difference]: Without dead ends: 1002 [2023-12-20 03:29:18,527 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 03:29:18,527 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 1183 mSDsluCounter, 3456 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 3942 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:18,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 3942 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 03:29:18,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2023-12-20 03:29:18,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 246. [2023-12-20 03:29:18,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 245 states have (on average 1.310204081632653) internal successors, (321), 245 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 321 transitions. [2023-12-20 03:29:18,530 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 321 transitions. Word has length 84 [2023-12-20 03:29:18,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:18,530 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 321 transitions. [2023-12-20 03:29:18,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 12 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 321 transitions. [2023-12-20 03:29:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-20 03:29:18,531 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:18,531 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 03:29:18,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-20 03:29:18,531 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:18,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1671719509, now seen corresponding path program 1 times [2023-12-20 03:29:18,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:18,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330670195] [2023-12-20 03:29:18,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:18,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:18,620 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 03:29:18,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:18,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330670195] [2023-12-20 03:29:18,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330670195] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:18,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:18,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:18,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858935151] [2023-12-20 03:29:18,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:18,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 03:29:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:18,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 03:29:18,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-20 03:29:18,621 INFO L87 Difference]: Start difference. First operand 246 states and 321 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) 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 03:29:18,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:18,728 INFO L93 Difference]: Finished difference Result 1506 states and 2221 transitions. [2023-12-20 03:29:18,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-20 03:29:18,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) 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 03:29:18,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:18,730 INFO L225 Difference]: With dead ends: 1506 [2023-12-20 03:29:18,730 INFO L226 Difference]: Without dead ends: 1380 [2023-12-20 03:29:18,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-12-20 03:29:18,731 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 1803 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 1150 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:18,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1803 Valid, 1150 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:29:18,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2023-12-20 03:29:18,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 370. [2023-12-20 03:29:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 369 states have (on average 1.3712737127371273) internal successors, (506), 369 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 506 transitions. [2023-12-20 03:29:18,736 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 506 transitions. Word has length 110 [2023-12-20 03:29:18,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:18,736 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 506 transitions. [2023-12-20 03:29:18,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) 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 03:29:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 506 transitions. [2023-12-20 03:29:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:29:18,737 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:18,737 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 03:29:18,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-20 03:29:18,737 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:18,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:18,737 INFO L85 PathProgramCache]: Analyzing trace with hash 238276620, now seen corresponding path program 1 times [2023-12-20 03:29:18,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:18,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279247964] [2023-12-20 03:29:18,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:18,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:18,814 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 03:29:18,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:18,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279247964] [2023-12-20 03:29:18,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279247964] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:18,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:18,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:18,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578269242] [2023-12-20 03:29:18,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:18,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 03:29:18,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:18,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 03:29:18,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-20 03:29:18,815 INFO L87 Difference]: Start difference. First operand 370 states and 506 transitions. Second operand has 7 states, 7 states have (on average 16.0) 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 03:29:18,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:18,895 INFO L93 Difference]: Finished difference Result 1746 states and 2567 transitions. [2023-12-20 03:29:18,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 03:29:18,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:18,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:18,897 INFO L225 Difference]: With dead ends: 1746 [2023-12-20 03:29:18,897 INFO L226 Difference]: Without dead ends: 1496 [2023-12-20 03:29:18,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:29:18,897 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1206 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:18,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1206 Valid, 889 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:29:18,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2023-12-20 03:29:18,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 618. [2023-12-20 03:29:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 617 states have (on average 1.4230145867098865) internal successors, (878), 617 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 878 transitions. [2023-12-20 03:29:18,904 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 878 transitions. Word has length 112 [2023-12-20 03:29:18,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:18,904 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 878 transitions. [2023-12-20 03:29:18,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 878 transitions. [2023-12-20 03:29:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:29:18,904 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:18,904 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 03:29:18,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-20 03:29:18,905 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:18,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:18,906 INFO L85 PathProgramCache]: Analyzing trace with hash 2013488005, now seen corresponding path program 1 times [2023-12-20 03:29:18,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:18,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520678496] [2023-12-20 03:29:18,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:18,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:18,939 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 03:29:18,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:18,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520678496] [2023-12-20 03:29:18,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520678496] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:18,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:18,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:29:18,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392484042] [2023-12-20 03:29:18,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:18,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:29:18,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:18,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:29:18,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:29:18,940 INFO L87 Difference]: Start difference. First operand 618 states and 878 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 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 03:29:18,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:18,957 INFO L93 Difference]: Finished difference Result 1562 states and 2280 transitions. [2023-12-20 03:29:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:29:18,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 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 03:29:18,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:18,958 INFO L225 Difference]: With dead ends: 1562 [2023-12-20 03:29:18,958 INFO L226 Difference]: Without dead ends: 1064 [2023-12-20 03:29:18,959 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 03:29:18,959 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 111 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 305 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 03:29:18,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 305 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:18,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2023-12-20 03:29:18,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1054. [2023-12-20 03:29:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1053 states have (on average 1.4283000949667617) internal successors, (1504), 1053 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1504 transitions. [2023-12-20 03:29:18,967 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1504 transitions. Word has length 112 [2023-12-20 03:29:18,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:18,967 INFO L495 AbstractCegarLoop]: Abstraction has 1054 states and 1504 transitions. [2023-12-20 03:29:18,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 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 03:29:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1504 transitions. [2023-12-20 03:29:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:29:18,968 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:18,968 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] [2023-12-20 03:29:18,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2023-12-20 03:29:18,968 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:18,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:18,968 INFO L85 PathProgramCache]: Analyzing trace with hash 2079981517, now seen corresponding path program 1 times [2023-12-20 03:29:18,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:18,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905189244] [2023-12-20 03:29:18,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:18,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:19,108 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 03:29:19,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:19,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905189244] [2023-12-20 03:29:19,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905189244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:19,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:19,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:19,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609880088] [2023-12-20 03:29:19,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:19,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 03:29:19,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:19,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 03:29:19,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-20 03:29:19,109 INFO L87 Difference]: Start difference. First operand 1054 states and 1504 transitions. Second operand has 7 states, 7 states have (on average 16.0) 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 03:29:19,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:19,217 INFO L93 Difference]: Finished difference Result 1990 states and 2878 transitions. [2023-12-20 03:29:19,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 03:29:19,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:19,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:19,218 INFO L225 Difference]: With dead ends: 1990 [2023-12-20 03:29:19,218 INFO L226 Difference]: Without dead ends: 1056 [2023-12-20 03:29:19,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-12-20 03:29:19,219 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 176 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:19,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 563 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:19,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2023-12-20 03:29:19,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1054. [2023-12-20 03:29:19,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1053 states have (on average 1.4245014245014245) internal successors, (1500), 1053 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:19,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1500 transitions. [2023-12-20 03:29:19,226 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1500 transitions. Word has length 112 [2023-12-20 03:29:19,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:19,226 INFO L495 AbstractCegarLoop]: Abstraction has 1054 states and 1500 transitions. [2023-12-20 03:29:19,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:19,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1500 transitions. [2023-12-20 03:29:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:29:19,227 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:19,227 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 03:29:19,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2023-12-20 03:29:19,227 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:19,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:19,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2113425932, now seen corresponding path program 1 times [2023-12-20 03:29:19,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:19,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413590191] [2023-12-20 03:29:19,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:19,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:19,305 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 03:29:19,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413590191] [2023-12-20 03:29:19,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413590191] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:19,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:19,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:19,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853366091] [2023-12-20 03:29:19,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:19,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 03:29:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:19,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 03:29:19,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-20 03:29:19,306 INFO L87 Difference]: Start difference. First operand 1054 states and 1500 transitions. Second operand has 7 states, 7 states have (on average 16.0) 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 03:29:19,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:19,390 INFO L93 Difference]: Finished difference Result 3630 states and 5276 transitions. [2023-12-20 03:29:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 03:29:19,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:19,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:19,393 INFO L225 Difference]: With dead ends: 3630 [2023-12-20 03:29:19,393 INFO L226 Difference]: Without dead ends: 3162 [2023-12-20 03:29:19,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:29:19,395 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1064 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:19,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 961 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:19,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3162 states. [2023-12-20 03:29:19,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3162 to 1754. [2023-12-20 03:29:19,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1754 states, 1753 states have (on average 1.4386765544780376) internal successors, (2522), 1753 states have internal predecessors, (2522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2522 transitions. [2023-12-20 03:29:19,414 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2522 transitions. Word has length 112 [2023-12-20 03:29:19,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:19,414 INFO L495 AbstractCegarLoop]: Abstraction has 1754 states and 2522 transitions. [2023-12-20 03:29:19,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:19,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2522 transitions. [2023-12-20 03:29:19,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:29:19,415 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:19,415 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 03:29:19,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2023-12-20 03:29:19,415 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:19,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:19,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1817455604, now seen corresponding path program 1 times [2023-12-20 03:29:19,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:19,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117805283] [2023-12-20 03:29:19,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:19,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:19,492 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 03:29:19,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:19,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117805283] [2023-12-20 03:29:19,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117805283] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:19,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:19,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:19,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877081751] [2023-12-20 03:29:19,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:19,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 03:29:19,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:19,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 03:29:19,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-20 03:29:19,494 INFO L87 Difference]: Start difference. First operand 1754 states and 2522 transitions. Second operand has 7 states, 7 states have (on average 16.0) 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 03:29:19,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:19,577 INFO L93 Difference]: Finished difference Result 4096 states and 5958 transitions. [2023-12-20 03:29:19,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 03:29:19,578 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:19,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:19,580 INFO L225 Difference]: With dead ends: 4096 [2023-12-20 03:29:19,580 INFO L226 Difference]: Without dead ends: 3628 [2023-12-20 03:29:19,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:29:19,581 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1078 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:19,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1003 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:19,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2023-12-20 03:29:19,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 2220. [2023-12-20 03:29:19,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 2219 states have (on average 1.4438936457863902) internal successors, (3204), 2219 states have internal predecessors, (3204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:19,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3204 transitions. [2023-12-20 03:29:19,600 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3204 transitions. Word has length 112 [2023-12-20 03:29:19,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:19,600 INFO L495 AbstractCegarLoop]: Abstraction has 2220 states and 3204 transitions. [2023-12-20 03:29:19,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3204 transitions. [2023-12-20 03:29:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-20 03:29:19,601 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:19,601 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 03:29:19,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2023-12-20 03:29:19,601 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:19,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:19,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1076996596, now seen corresponding path program 1 times [2023-12-20 03:29:19,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:19,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775722142] [2023-12-20 03:29:19,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:19,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:19,679 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 03:29:19,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:19,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775722142] [2023-12-20 03:29:19,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775722142] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:19,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:19,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:19,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363337432] [2023-12-20 03:29:19,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:19,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 03:29:19,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:19,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 03:29:19,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-20 03:29:19,682 INFO L87 Difference]: Start difference. First operand 2220 states and 3204 transitions. Second operand has 7 states, 7 states have (on average 16.0) 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 03:29:19,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:19,766 INFO L93 Difference]: Finished difference Result 4562 states and 6640 transitions. [2023-12-20 03:29:19,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 03:29:19,767 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:19,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:19,769 INFO L225 Difference]: With dead ends: 4562 [2023-12-20 03:29:19,769 INFO L226 Difference]: Without dead ends: 4094 [2023-12-20 03:29:19,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:29:19,770 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 1184 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1184 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:19,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1184 Valid, 1012 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:19,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2023-12-20 03:29:19,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 2686. [2023-12-20 03:29:19,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2686 states, 2685 states have (on average 1.4472998137802606) internal successors, (3886), 2685 states have internal predecessors, (3886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:19,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 3886 transitions. [2023-12-20 03:29:19,792 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 3886 transitions. Word has length 112 [2023-12-20 03:29:19,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:19,792 INFO L495 AbstractCegarLoop]: Abstraction has 2686 states and 3886 transitions. [2023-12-20 03:29:19,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) 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 03:29:19,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 3886 transitions. [2023-12-20 03:29:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-20 03:29:19,793 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:19,793 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 03:29:19,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2023-12-20 03:29:19,793 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:19,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:19,793 INFO L85 PathProgramCache]: Analyzing trace with hash -393257428, now seen corresponding path program 1 times [2023-12-20 03:29:19,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:19,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722060311] [2023-12-20 03:29:19,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:19,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:19,868 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 03:29:19,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:19,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722060311] [2023-12-20 03:29:19,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722060311] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:19,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:19,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:29:19,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964470488] [2023-12-20 03:29:19,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:19,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:29:19,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:19,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:29:19,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:29:19,869 INFO L87 Difference]: Start difference. First operand 2686 states and 3886 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 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 03:29:19,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:19,888 INFO L93 Difference]: Finished difference Result 7642 states and 11088 transitions. [2023-12-20 03:29:19,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:29:19,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 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 03:29:19,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:19,891 INFO L225 Difference]: With dead ends: 7642 [2023-12-20 03:29:19,891 INFO L226 Difference]: Without dead ends: 5076 [2023-12-20 03:29:19,893 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 03:29:19,893 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 90 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 405 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 03:29:19,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 405 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:19,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2023-12-20 03:29:19,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 4898. [2023-12-20 03:29:19,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4898 states, 4897 states have (on average 1.4433326526444763) internal successors, (7068), 4897 states have internal predecessors, (7068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4898 states to 4898 states and 7068 transitions. [2023-12-20 03:29:19,924 INFO L78 Accepts]: Start accepts. Automaton has 4898 states and 7068 transitions. Word has length 113 [2023-12-20 03:29:19,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:19,924 INFO L495 AbstractCegarLoop]: Abstraction has 4898 states and 7068 transitions. [2023-12-20 03:29:19,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 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 03:29:19,924 INFO L276 IsEmpty]: Start isEmpty. Operand 4898 states and 7068 transitions. [2023-12-20 03:29:19,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-20 03:29:19,925 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:19,925 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 03:29:19,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2023-12-20 03:29:19,925 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:19,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:19,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1915285261, now seen corresponding path program 1 times [2023-12-20 03:29:19,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:19,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72947834] [2023-12-20 03:29:19,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:19,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:19,980 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 03:29:19,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:19,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72947834] [2023-12-20 03:29:19,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72947834] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:19,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:19,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:29:19,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883631131] [2023-12-20 03:29:19,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:19,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:29:19,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:19,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:29:19,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:29:19,981 INFO L87 Difference]: Start difference. First operand 4898 states and 7068 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 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 03:29:20,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:20,011 INFO L93 Difference]: Finished difference Result 14102 states and 20326 transitions. [2023-12-20 03:29:20,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:29:20,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 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 03:29:20,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:20,020 INFO L225 Difference]: With dead ends: 14102 [2023-12-20 03:29:20,020 INFO L226 Difference]: Without dead ends: 9324 [2023-12-20 03:29:20,025 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 03:29:20,025 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 83 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 405 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 03:29:20,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 405 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:20,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9324 states. [2023-12-20 03:29:20,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9324 to 8970. [2023-12-20 03:29:20,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8970 states, 8969 states have (on average 1.4338276284981604) internal successors, (12860), 8969 states have internal predecessors, (12860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8970 states to 8970 states and 12860 transitions. [2023-12-20 03:29:20,092 INFO L78 Accepts]: Start accepts. Automaton has 8970 states and 12860 transitions. Word has length 114 [2023-12-20 03:29:20,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:20,092 INFO L495 AbstractCegarLoop]: Abstraction has 8970 states and 12860 transitions. [2023-12-20 03:29:20,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 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 03:29:20,092 INFO L276 IsEmpty]: Start isEmpty. Operand 8970 states and 12860 transitions. [2023-12-20 03:29:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-20 03:29:20,093 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:20,093 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 03:29:20,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2023-12-20 03:29:20,093 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:20,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:20,093 INFO L85 PathProgramCache]: Analyzing trace with hash 16834680, now seen corresponding path program 1 times [2023-12-20 03:29:20,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:20,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018571708] [2023-12-20 03:29:20,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:20,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:20,191 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 03:29:20,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:20,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018571708] [2023-12-20 03:29:20,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018571708] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:20,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:20,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:29:20,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140009998] [2023-12-20 03:29:20,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:20,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:29:20,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:20,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:29:20,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:29:20,192 INFO L87 Difference]: Start difference. First operand 8970 states and 12860 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 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 03:29:20,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:20,239 INFO L93 Difference]: Finished difference Result 25966 states and 37086 transitions. [2023-12-20 03:29:20,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:29:20,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 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 03:29:20,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:20,254 INFO L225 Difference]: With dead ends: 25966 [2023-12-20 03:29:20,254 INFO L226 Difference]: Without dead ends: 17116 [2023-12-20 03:29:20,263 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 03:29:20,264 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 76 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 405 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 03:29:20,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 405 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:20,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17116 states. [2023-12-20 03:29:20,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17116 to 16410. [2023-12-20 03:29:20,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16410 states, 16409 states have (on average 1.4199524651106101) internal successors, (23300), 16409 states have internal predecessors, (23300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16410 states to 16410 states and 23300 transitions. [2023-12-20 03:29:20,406 INFO L78 Accepts]: Start accepts. Automaton has 16410 states and 23300 transitions. Word has length 115 [2023-12-20 03:29:20,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:20,406 INFO L495 AbstractCegarLoop]: Abstraction has 16410 states and 23300 transitions. [2023-12-20 03:29:20,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 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 03:29:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand 16410 states and 23300 transitions. [2023-12-20 03:29:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 03:29:20,407 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:20,407 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 03:29:20,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2023-12-20 03:29:20,407 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:20,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:20,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1053800601, now seen corresponding path program 1 times [2023-12-20 03:29:20,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:20,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833429737] [2023-12-20 03:29:20,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:20,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:20,513 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 03:29:20,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:20,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833429737] [2023-12-20 03:29:20,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833429737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:20,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:20,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:29:20,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966866293] [2023-12-20 03:29:20,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:20,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:29:20,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:20,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:29:20,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:29:20,515 INFO L87 Difference]: Start difference. First operand 16410 states and 23300 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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 03:29:20,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:20,587 INFO L93 Difference]: Finished difference Result 47582 states and 67174 transitions. [2023-12-20 03:29:20,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:29:20,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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 03:29:20,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:20,614 INFO L225 Difference]: With dead ends: 47582 [2023-12-20 03:29:20,614 INFO L226 Difference]: Without dead ends: 31292 [2023-12-20 03:29:20,631 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 03:29:20,632 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 66 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 405 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 03:29:20,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 405 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:20,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31292 states. [2023-12-20 03:29:20,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31292 to 29882. [2023-12-20 03:29:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29882 states, 29881 states have (on average 1.40196111241257) internal successors, (41892), 29881 states have internal predecessors, (41892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:20,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29882 states to 29882 states and 41892 transitions. [2023-12-20 03:29:20,918 INFO L78 Accepts]: Start accepts. Automaton has 29882 states and 41892 transitions. Word has length 116 [2023-12-20 03:29:20,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:20,918 INFO L495 AbstractCegarLoop]: Abstraction has 29882 states and 41892 transitions. [2023-12-20 03:29:20,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 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 03:29:20,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29882 states and 41892 transitions. [2023-12-20 03:29:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-20 03:29:20,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:20,919 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 03:29:20,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2023-12-20 03:29:20,919 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:20,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:20,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1617381692, now seen corresponding path program 1 times [2023-12-20 03:29:20,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:20,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338892793] [2023-12-20 03:29:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:20,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:21,119 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 03:29:21,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:21,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338892793] [2023-12-20 03:29:21,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338892793] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:21,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:21,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-20 03:29:21,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225918294] [2023-12-20 03:29:21,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:21,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 03:29:21,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:21,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 03:29:21,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 03:29:21,120 INFO L87 Difference]: Start difference. First operand 29882 states and 41892 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 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 03:29:21,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:21,255 INFO L93 Difference]: Finished difference Result 52700 states and 73302 transitions. [2023-12-20 03:29:21,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 03:29:21,255 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 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 03:29:21,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:21,311 INFO L225 Difference]: With dead ends: 52700 [2023-12-20 03:29:21,311 INFO L226 Difference]: Without dead ends: 52698 [2023-12-20 03:29:21,327 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 03:29:21,327 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 312 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1009 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 03:29:21,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1009 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:21,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52698 states. [2023-12-20 03:29:21,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52698 to 30842. [2023-12-20 03:29:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30842 states, 30841 states have (on average 1.3832236308809702) internal successors, (42660), 30841 states have internal predecessors, (42660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30842 states to 30842 states and 42660 transitions. [2023-12-20 03:29:21,687 INFO L78 Accepts]: Start accepts. Automaton has 30842 states and 42660 transitions. Word has length 117 [2023-12-20 03:29:21,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:21,687 INFO L495 AbstractCegarLoop]: Abstraction has 30842 states and 42660 transitions. [2023-12-20 03:29:21,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 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 03:29:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 30842 states and 42660 transitions. [2023-12-20 03:29:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-20 03:29:21,688 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:21,688 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] [2023-12-20 03:29:21,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2023-12-20 03:29:21,688 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:21,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:21,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2070251932, now seen corresponding path program 1 times [2023-12-20 03:29:21,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:21,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618319997] [2023-12-20 03:29:21,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:21,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:21,930 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 03:29:21,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:21,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618319997] [2023-12-20 03:29:21,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618319997] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:21,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:21,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-20 03:29:21,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251472178] [2023-12-20 03:29:21,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:21,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-20 03:29:21,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:21,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-20 03:29:21,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-20 03:29:21,931 INFO L87 Difference]: Start difference. First operand 30842 states and 42660 transitions. Second operand has 7 states, 7 states have (on average 16.714285714285715) 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 03:29:22,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:22,123 INFO L93 Difference]: Finished difference Result 58854 states and 81706 transitions. [2023-12-20 03:29:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 03:29:22,124 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.714285714285715) 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 03:29:22,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:22,181 INFO L225 Difference]: With dead ends: 58854 [2023-12-20 03:29:22,181 INFO L226 Difference]: Without dead ends: 53252 [2023-12-20 03:29:22,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-20 03:29:22,297 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 1183 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:22,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 917 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 03:29:22,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53252 states. [2023-12-20 03:29:22,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53252 to 36442. [2023-12-20 03:29:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36442 states, 36441 states have (on average 1.3831673115446887) internal successors, (50404), 36441 states have internal predecessors, (50404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36442 states to 36442 states and 50404 transitions. [2023-12-20 03:29:22,783 INFO L78 Accepts]: Start accepts. Automaton has 36442 states and 50404 transitions. Word has length 117 [2023-12-20 03:29:22,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:22,783 INFO L495 AbstractCegarLoop]: Abstraction has 36442 states and 50404 transitions. [2023-12-20 03:29:22,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) 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 03:29:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 36442 states and 50404 transitions. [2023-12-20 03:29:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-20 03:29:22,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:22,784 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 03:29:22,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2023-12-20 03:29:22,784 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:22,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:22,785 INFO L85 PathProgramCache]: Analyzing trace with hash 500777747, now seen corresponding path program 1 times [2023-12-20 03:29:22,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:22,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050221601] [2023-12-20 03:29:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:22,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:22,855 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 03:29:22,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:22,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050221601] [2023-12-20 03:29:22,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050221601] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:22,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:22,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:29:22,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546573059] [2023-12-20 03:29:22,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:22,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:29:22,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:22,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:29:22,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:29:22,856 INFO L87 Difference]: Start difference. First operand 36442 states and 50404 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 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 03:29:23,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:23,015 INFO L93 Difference]: Finished difference Result 94526 states and 130534 transitions. [2023-12-20 03:29:23,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:29:23,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 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 03:29:23,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:23,079 INFO L225 Difference]: With dead ends: 94526 [2023-12-20 03:29:23,079 INFO L226 Difference]: Without dead ends: 58204 [2023-12-20 03:29:23,246 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 03:29:23,246 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 94 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 408 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 03:29:23,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 408 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:23,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58204 states. [2023-12-20 03:29:23,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58204 to 54874. [2023-12-20 03:29:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54874 states, 54873 states have (on average 1.3640952745430357) internal successors, (74852), 54873 states have internal predecessors, (74852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54874 states to 54874 states and 74852 transitions. [2023-12-20 03:29:23,864 INFO L78 Accepts]: Start accepts. Automaton has 54874 states and 74852 transitions. Word has length 118 [2023-12-20 03:29:23,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:23,864 INFO L495 AbstractCegarLoop]: Abstraction has 54874 states and 74852 transitions. [2023-12-20 03:29:23,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 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 03:29:23,864 INFO L276 IsEmpty]: Start isEmpty. Operand 54874 states and 74852 transitions. [2023-12-20 03:29:23,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-20 03:29:23,870 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:23,877 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2023-12-20 03:29:23,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2023-12-20 03:29:23,877 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:23,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:23,878 INFO L85 PathProgramCache]: Analyzing trace with hash 531509387, now seen corresponding path program 1 times [2023-12-20 03:29:23,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:23,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668662902] [2023-12-20 03:29:23,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:23,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:23,946 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:29:23,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:23,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668662902] [2023-12-20 03:29:23,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668662902] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 03:29:23,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 03:29:23,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 03:29:23,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973007522] [2023-12-20 03:29:23,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 03:29:23,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 03:29:23,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:23,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 03:29:23,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 03:29:23,947 INFO L87 Difference]: Start difference. First operand 54874 states and 74852 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:24,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:24,260 INFO L93 Difference]: Finished difference Result 109630 states and 149574 transitions. [2023-12-20 03:29:24,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 03:29:24,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148 [2023-12-20 03:29:24,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:24,321 INFO L225 Difference]: With dead ends: 109630 [2023-12-20 03:29:24,321 INFO L226 Difference]: Without dead ends: 54876 [2023-12-20 03:29:24,356 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 03:29:24,356 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 81 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:24,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 379 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 03:29:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54876 states. [2023-12-20 03:29:25,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54876 to 54874. [2023-12-20 03:29:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54874 states, 54873 states have (on average 1.3489329907240355) internal successors, (74020), 54873 states have internal predecessors, (74020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:25,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54874 states to 54874 states and 74020 transitions. [2023-12-20 03:29:25,186 INFO L78 Accepts]: Start accepts. Automaton has 54874 states and 74020 transitions. Word has length 148 [2023-12-20 03:29:25,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:25,186 INFO L495 AbstractCegarLoop]: Abstraction has 54874 states and 74020 transitions. [2023-12-20 03:29:25,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 54874 states and 74020 transitions. [2023-12-20 03:29:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-20 03:29:25,190 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:25,190 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-20 03:29:25,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2023-12-20 03:29:25,190 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:25,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:25,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1792864446, now seen corresponding path program 1 times [2023-12-20 03:29:25,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:25,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111153220] [2023-12-20 03:29:25,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:25,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:29:25,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:25,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111153220] [2023-12-20 03:29:25,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111153220] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 03:29:25,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038703861] [2023-12-20 03:29:25,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:25,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 03:29:25,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 03:29:25,390 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 03:29:25,405 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 03:29:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:25,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-20 03:29:25,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 03:29:26,389 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:29:26,389 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 03:29:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:29:27,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038703861] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 03:29:27,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 03:29:27,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 26 [2023-12-20 03:29:27,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532902015] [2023-12-20 03:29:27,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 03:29:27,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-20 03:29:27,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:27,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-20 03:29:27,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2023-12-20 03:29:27,314 INFO L87 Difference]: Start difference. First operand 54874 states and 74020 transitions. Second operand has 27 states, 27 states have (on average 14.444444444444445) internal successors, (390), 26 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:32,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:32,800 INFO L93 Difference]: Finished difference Result 486308 states and 649624 transitions. [2023-12-20 03:29:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-12-20 03:29:32,802 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 14.444444444444445) internal successors, (390), 26 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148 [2023-12-20 03:29:32,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:33,451 INFO L225 Difference]: With dead ends: 486308 [2023-12-20 03:29:33,451 INFO L226 Difference]: Without dead ends: 431554 [2023-12-20 03:29:33,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5204 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=3039, Invalid=12461, Unknown=0, NotChecked=0, Total=15500 [2023-12-20 03:29:33,535 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 6732 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 2374 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6732 SdHoareTripleChecker+Valid, 2649 SdHoareTripleChecker+Invalid, 2399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:33,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6732 Valid, 2649 Invalid, 2399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2374 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:29:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431554 states. [2023-12-20 03:29:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431554 to 115944. [2023-12-20 03:29:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115944 states, 115943 states have (on average 1.3401240264612784) internal successors, (155378), 115943 states have internal predecessors, (155378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115944 states to 115944 states and 155378 transitions. [2023-12-20 03:29:36,642 INFO L78 Accepts]: Start accepts. Automaton has 115944 states and 155378 transitions. Word has length 148 [2023-12-20 03:29:36,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:29:36,642 INFO L495 AbstractCegarLoop]: Abstraction has 115944 states and 155378 transitions. [2023-12-20 03:29:36,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 14.444444444444445) internal successors, (390), 26 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 115944 states and 155378 transitions. [2023-12-20 03:29:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-20 03:29:36,652 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:29:36,652 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-20 03:29:36,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-20 03:29:36,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 03:29:36,859 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:29:36,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:29:36,860 INFO L85 PathProgramCache]: Analyzing trace with hash 77767532, now seen corresponding path program 1 times [2023-12-20 03:29:36,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:29:36,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591481463] [2023-12-20 03:29:36,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:36,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:29:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:29:37,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:29:37,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591481463] [2023-12-20 03:29:37,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591481463] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 03:29:37,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445119722] [2023-12-20 03:29:37,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:29:37,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 03:29:37,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 03:29:37,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 03:29:37,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 03:29:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:29:37,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-20 03:29:37,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 03:29:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-20 03:29:38,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 03:29:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-20 03:29:38,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445119722] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 03:29:38,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 03:29:38,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 18 [2023-12-20 03:29:38,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215130911] [2023-12-20 03:29:38,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 03:29:38,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-20 03:29:38,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:29:38,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-20 03:29:38,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2023-12-20 03:29:38,357 INFO L87 Difference]: Start difference. First operand 115944 states and 155378 transitions. Second operand has 18 states, 18 states have (on average 24.0) internal successors, (432), 18 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:29:46,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:29:46,685 INFO L93 Difference]: Finished difference Result 1382550 states and 1833970 transitions. [2023-12-20 03:29:46,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2023-12-20 03:29:46,686 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 24.0) internal successors, (432), 18 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2023-12-20 03:29:46,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:29:48,688 INFO L225 Difference]: With dead ends: 1382550 [2023-12-20 03:29:48,688 INFO L226 Difference]: Without dead ends: 1266740 [2023-12-20 03:29:49,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6335 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=2880, Invalid=12870, Unknown=0, NotChecked=0, Total=15750 [2023-12-20 03:29:49,171 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 11817 mSDsluCounter, 1712 mSDsCounter, 0 mSdLazyCounter, 2077 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11817 SdHoareTripleChecker+Valid, 1924 SdHoareTripleChecker+Invalid, 2202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 2077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:29:49,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11817 Valid, 1924 Invalid, 2202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 2077 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-20 03:29:49,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266740 states. [2023-12-20 03:29:58,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266740 to 587918. [2023-12-20 03:29:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587918 states, 587917 states have (on average 1.3275003104179672) internal successors, (780460), 587917 states have internal predecessors, (780460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:30:01,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587918 states to 587918 states and 780460 transitions. [2023-12-20 03:30:01,763 INFO L78 Accepts]: Start accepts. Automaton has 587918 states and 780460 transitions. Word has length 149 [2023-12-20 03:30:01,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 03:30:01,763 INFO L495 AbstractCegarLoop]: Abstraction has 587918 states and 780460 transitions. [2023-12-20 03:30:01,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 24.0) internal successors, (432), 18 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:30:01,763 INFO L276 IsEmpty]: Start isEmpty. Operand 587918 states and 780460 transitions. [2023-12-20 03:30:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-20 03:30:01,775 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 03:30:01,775 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-20 03:30:01,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-20 03:30:01,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2023-12-20 03:30:01,984 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-20 03:30:01,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 03:30:01,984 INFO L85 PathProgramCache]: Analyzing trace with hash -300930164, now seen corresponding path program 1 times [2023-12-20 03:30:01,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 03:30:01,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159277905] [2023-12-20 03:30:01,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:30:01,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 03:30:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:30:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:30:02,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 03:30:02,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159277905] [2023-12-20 03:30:02,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159277905] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 03:30:02,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295500128] [2023-12-20 03:30:02,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 03:30:02,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 03:30:02,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 03:30:02,756 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 03:30:02,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 03:30:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 03:30:03,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-20 03:30:03,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 03:30:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:30:03,571 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 03:30:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 03:30:04,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295500128] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 03:30:04,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 03:30:04,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 27 [2023-12-20 03:30:04,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362038407] [2023-12-20 03:30:04,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 03:30:04,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-20 03:30:04,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 03:30:04,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-20 03:30:04,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2023-12-20 03:30:04,372 INFO L87 Difference]: Start difference. First operand 587918 states and 780460 transitions. Second operand has 27 states, 27 states have (on average 14.703703703703704) internal successors, (397), 27 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 03:30:41,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 03:30:41,912 INFO L93 Difference]: Finished difference Result 4312202 states and 5637085 transitions. [2023-12-20 03:30:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 465 states. [2023-12-20 03:30:41,913 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 14.703703703703704) internal successors, (397), 27 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2023-12-20 03:30:41,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 03:30:50,699 INFO L225 Difference]: With dead ends: 4312202 [2023-12-20 03:30:50,699 INFO L226 Difference]: Without dead ends: 3758931 [2023-12-20 03:30:51,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 769 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110481 ImplicationChecksByTransitivity, 20.9s TimeCoverageRelationStatistics Valid=27484, Invalid=212126, Unknown=0, NotChecked=0, Total=239610 [2023-12-20 03:30:51,911 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 26481 mSDsluCounter, 6894 mSDsCounter, 0 mSdLazyCounter, 5758 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26481 SdHoareTripleChecker+Valid, 7352 SdHoareTripleChecker+Invalid, 5932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 5758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-20 03:30:51,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26481 Valid, 7352 Invalid, 5932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [174 Valid, 5758 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-20 03:30:54,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3758931 states.