/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 06:28:12,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 06:28:12,298 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 06:28:12,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 06:28:12,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 06:28:12,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 06:28:12,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 06:28:12,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 06:28:12,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 06:28:12,317 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 06:28:12,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 06:28:12,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 06:28:12,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 06:28:12,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 06:28:12,318 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 06:28:12,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 06:28:12,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 06:28:12,319 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 06:28:12,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 06:28:12,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 06:28:12,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 06:28:12,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 06:28:12,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 06:28:12,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 06:28:12,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 06:28:12,335 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 06:28:12,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 06:28:12,336 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 06:28:12,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 06:28:12,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 06:28:12,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 06:28:12,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 06:28:12,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:28:12,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 06:28:12,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 06:28:12,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 06:28:12,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 06:28:12,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 06:28:12,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 06:28:12,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 06:28:12,338 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 06:28:12,339 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 06:28:12,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 06:28:12,339 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 06:28:12,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 06:28:12,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 06:28:12,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 06:28:12,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 06:28:12,498 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 06:28:12,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-16 06:28:13,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 06:28:13,870 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 06:28:13,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-16 06:28:13,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f10d03ffa/f9cfaf411c184edba9cb99092574ff59/FLAG4b6e7b3bc [2023-12-16 06:28:13,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f10d03ffa/f9cfaf411c184edba9cb99092574ff59 [2023-12-16 06:28:13,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 06:28:13,912 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 06:28:13,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 06:28:13,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 06:28:13,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 06:28:13,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:28:13" (1/1) ... [2023-12-16 06:28:13,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41609f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:13, skipping insertion in model container [2023-12-16 06:28:13,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:28:13" (1/1) ... [2023-12-16 06:28:14,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 06:28:14,381 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37686,37699] [2023-12-16 06:28:14,442 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53661,53674] [2023-12-16 06:28:14,464 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61658,61671] [2023-12-16 06:28:14,477 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65640,65653] [2023-12-16 06:28:14,488 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69487,69500] [2023-12-16 06:28:14,549 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86510,86523] [2023-12-16 06:28:14,563 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94544,94557] [2023-12-16 06:28:14,597 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98563,98576] [2023-12-16 06:28:14,619 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102447,102460] [2023-12-16 06:28:14,627 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[106961,106974] [2023-12-16 06:28:14,650 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[110869,110882] [2023-12-16 06:28:14,657 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[114888,114901] [2023-12-16 06:28:14,680 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[118772,118785] [2023-12-16 06:28:14,688 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[122907,122920] [2023-12-16 06:28:14,699 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[126958,126971] [2023-12-16 06:28:14,722 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[130958,130971] [2023-12-16 06:28:14,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:28:14,768 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 06:28:14,860 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[37686,37699] [2023-12-16 06:28:14,885 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[53661,53674] [2023-12-16 06:28:14,896 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[61658,61671] [2023-12-16 06:28:14,907 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[65640,65653] [2023-12-16 06:28:14,913 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[69487,69500] [2023-12-16 06:28:14,940 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[86510,86523] [2023-12-16 06:28:14,951 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[94544,94557] [2023-12-16 06:28:14,958 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[98563,98576] [2023-12-16 06:28:14,963 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[102447,102460] [2023-12-16 06:28:14,969 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[106961,106974] [2023-12-16 06:28:14,975 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[110869,110882] [2023-12-16 06:28:14,980 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[114888,114901] [2023-12-16 06:28:14,986 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[118772,118785] [2023-12-16 06:28:14,994 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[122907,122920] [2023-12-16 06:28:14,999 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[126958,126971] [2023-12-16 06:28:15,006 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.ufo.BOUNDED-10.pals.c.v+sep-reducer.c[130958,130971] [2023-12-16 06:28:15,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 06:28:15,045 INFO L206 MainTranslator]: Completed translation [2023-12-16 06:28:15,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15 WrapperNode [2023-12-16 06:28:15,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 06:28:15,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 06:28:15,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 06:28:15,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 06:28:15,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,192 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6229 [2023-12-16 06:28:15,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 06:28:15,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 06:28:15,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 06:28:15,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 06:28:15,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,220 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,274 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 06:28:15,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 06:28:15,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 06:28:15,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 06:28:15,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 06:28:15,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (1/1) ... [2023-12-16 06:28:15,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 06:28:15,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 06:28:15,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 06:28:15,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 06:28:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 06:28:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 06:28:15,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 06:28:15,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 06:28:15,736 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 06:28:15,737 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 06:28:17,703 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 06:28:17,771 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 06:28:17,771 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-16 06:28:17,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:28:17 BoogieIcfgContainer [2023-12-16 06:28:17,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 06:28:17,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 06:28:17,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 06:28:17,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 06:28:17,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:28:13" (1/3) ... [2023-12-16 06:28:17,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63200f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:28:17, skipping insertion in model container [2023-12-16 06:28:17,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:28:15" (2/3) ... [2023-12-16 06:28:17,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63200f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:28:17, skipping insertion in model container [2023-12-16 06:28:17,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:28:17" (3/3) ... [2023-12-16 06:28:17,789 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.ufo.BOUNDED-10.pals.c.v+sep-reducer.c [2023-12-16 06:28:17,802 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 06:28:17,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-12-16 06:28:17,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 06:28:17,855 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;@2d09f1fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 06:28:17,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-12-16 06:28:17,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 1191 states, 1174 states have (on average 1.7717206132879046) internal successors, (2080), 1190 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-16 06:28:17,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:17,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:17,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:17,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:17,881 INFO L85 PathProgramCache]: Analyzing trace with hash -959725519, now seen corresponding path program 1 times [2023-12-16 06:28:17,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:17,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239630302] [2023-12-16 06:28:17,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:17,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:18,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:18,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239630302] [2023-12-16 06:28:18,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239630302] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:18,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:18,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:28:18,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340412112] [2023-12-16 06:28:18,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:18,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:28:18,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:18,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:28:18,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:28:18,369 INFO L87 Difference]: Start difference. First operand has 1191 states, 1174 states have (on average 1.7717206132879046) internal successors, (2080), 1190 states have internal predecessors, (2080), 0 states have call successors, (0), 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 14.4) 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) [2023-12-16 06:28:18,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:18,887 INFO L93 Difference]: Finished difference Result 1407 states and 2415 transitions. [2023-12-16 06:28:18,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:28:18,889 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 [2023-12-16 06:28:18,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:18,905 INFO L225 Difference]: With dead ends: 1407 [2023-12-16 06:28:18,906 INFO L226 Difference]: Without dead ends: 809 [2023-12-16 06:28:18,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:28:18,916 INFO L413 NwaCegarLoop]: 803 mSDtfsCounter, 4020 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:18,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4020 Valid, 843 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:28:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2023-12-16 06:28:18,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2023-12-16 06:28:18,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 793 states have (on average 1.2824716267339218) internal successors, (1017), 808 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1017 transitions. [2023-12-16 06:28:18,974 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1017 transitions. Word has length 72 [2023-12-16 06:28:18,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:18,975 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 1017 transitions. [2023-12-16 06:28:18,975 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) [2023-12-16 06:28:18,975 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1017 transitions. [2023-12-16 06:28:18,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-16 06:28:18,977 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:18,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:18,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 06:28:18,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:18,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:18,978 INFO L85 PathProgramCache]: Analyzing trace with hash -968066446, now seen corresponding path program 1 times [2023-12-16 06:28:18,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:18,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122508270] [2023-12-16 06:28:18,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:18,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:19,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:19,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122508270] [2023-12-16 06:28:19,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122508270] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:19,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:19,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:28:19,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475507051] [2023-12-16 06:28:19,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:19,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:28:19,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:19,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:28:19,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:28:19,196 INFO L87 Difference]: Start difference. First operand 809 states and 1017 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) [2023-12-16 06:28:19,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:19,582 INFO L93 Difference]: Finished difference Result 1103 states and 1401 transitions. [2023-12-16 06:28:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:28:19,583 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 [2023-12-16 06:28:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:19,585 INFO L225 Difference]: With dead ends: 1103 [2023-12-16 06:28:19,585 INFO L226 Difference]: Without dead ends: 682 [2023-12-16 06:28:19,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:28:19,586 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 2561 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:19,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 461 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:28:19,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2023-12-16 06:28:19,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2023-12-16 06:28:19,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 666 states have (on average 1.3048048048048049) internal successors, (869), 681 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 869 transitions. [2023-12-16 06:28:19,594 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 869 transitions. Word has length 72 [2023-12-16 06:28:19,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:19,595 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 869 transitions. [2023-12-16 06:28:19,595 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) [2023-12-16 06:28:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 869 transitions. [2023-12-16 06:28:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-16 06:28:19,596 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:19,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:19,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 06:28:19,597 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)] === [2023-12-16 06:28:19,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:19,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1526182328, now seen corresponding path program 1 times [2023-12-16 06:28:19,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:19,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571021815] [2023-12-16 06:28:19,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:19,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:19,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:19,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571021815] [2023-12-16 06:28:19,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571021815] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:19,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:19,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:28:19,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194025838] [2023-12-16 06:28:19,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:19,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:28:19,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:19,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:28:19,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:28:19,772 INFO L87 Difference]: Start difference. First operand 682 states and 869 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) [2023-12-16 06:28:20,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:20,105 INFO L93 Difference]: Finished difference Result 820 states and 1033 transitions. [2023-12-16 06:28:20,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:28:20,106 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 [2023-12-16 06:28:20,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:20,107 INFO L225 Difference]: With dead ends: 820 [2023-12-16 06:28:20,107 INFO L226 Difference]: Without dead ends: 482 [2023-12-16 06:28:20,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:28:20,108 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 1748 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:20,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 361 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 06:28:20,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2023-12-16 06:28:20,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2023-12-16 06:28:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 466 states have (on average 1.3090128755364807) internal successors, (610), 481 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 610 transitions. [2023-12-16 06:28:20,114 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 610 transitions. Word has length 72 [2023-12-16 06:28:20,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:20,115 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 610 transitions. [2023-12-16 06:28:20,115 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) [2023-12-16 06:28:20,115 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 610 transitions. [2023-12-16 06:28:20,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-16 06:28:20,116 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:20,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:20,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 06:28:20,116 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)] === [2023-12-16 06:28:20,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:20,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1953545306, now seen corresponding path program 1 times [2023-12-16 06:28:20,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:20,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604950227] [2023-12-16 06:28:20,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:20,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:20,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:20,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604950227] [2023-12-16 06:28:20,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604950227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:20,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:20,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:28:20,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263174329] [2023-12-16 06:28:20,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:20,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:28:20,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:20,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:28:20,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:28:20,202 INFO L87 Difference]: Start difference. First operand 482 states and 610 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 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) [2023-12-16 06:28:20,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:20,386 INFO L93 Difference]: Finished difference Result 692 states and 881 transitions. [2023-12-16 06:28:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:28:20,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 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 [2023-12-16 06:28:20,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:20,388 INFO L225 Difference]: With dead ends: 692 [2023-12-16 06:28:20,388 INFO L226 Difference]: Without dead ends: 430 [2023-12-16 06:28:20,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:28:20,389 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 1583 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 335 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 [2023-12-16 06:28:20,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 335 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:28:20,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2023-12-16 06:28:20,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2023-12-16 06:28:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 414 states have (on average 1.318840579710145) internal successors, (546), 429 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 546 transitions. [2023-12-16 06:28:20,395 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 546 transitions. Word has length 74 [2023-12-16 06:28:20,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:20,395 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 546 transitions. [2023-12-16 06:28:20,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 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) [2023-12-16 06:28:20,395 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 546 transitions. [2023-12-16 06:28:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-16 06:28:20,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:20,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:20,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 06:28:20,396 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:20,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:20,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1983390979, now seen corresponding path program 1 times [2023-12-16 06:28:20,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:20,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467081903] [2023-12-16 06:28:20,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:20,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:20,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:20,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467081903] [2023-12-16 06:28:20,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467081903] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:20,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:20,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 06:28:20,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904457649] [2023-12-16 06:28:20,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:20,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 06:28:20,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:20,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 06:28:20,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 06:28:20,479 INFO L87 Difference]: Start difference. First operand 430 states and 546 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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) [2023-12-16 06:28:20,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:20,692 INFO L93 Difference]: Finished difference Result 658 states and 843 transitions. [2023-12-16 06:28:20,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 06:28:20,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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 [2023-12-16 06:28:20,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:20,696 INFO L225 Difference]: With dead ends: 658 [2023-12-16 06:28:20,696 INFO L226 Difference]: Without dead ends: 422 [2023-12-16 06:28:20,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:28:20,698 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 1506 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 310 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 [2023-12-16 06:28:20,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 310 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:28:20,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2023-12-16 06:28:20,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2023-12-16 06:28:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3201970443349753) internal successors, (536), 421 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 536 transitions. [2023-12-16 06:28:20,704 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 536 transitions. Word has length 76 [2023-12-16 06:28:20,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:20,704 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 536 transitions. [2023-12-16 06:28:20,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 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) [2023-12-16 06:28:20,704 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 536 transitions. [2023-12-16 06:28:20,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-16 06:28:20,706 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:20,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:20,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 06:28:20,706 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:20,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:20,709 INFO L85 PathProgramCache]: Analyzing trace with hash 802660192, now seen corresponding path program 1 times [2023-12-16 06:28:20,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:20,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618973365] [2023-12-16 06:28:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:20,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:21,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:21,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618973365] [2023-12-16 06:28:21,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618973365] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:21,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:21,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 06:28:21,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470074771] [2023-12-16 06:28:21,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:21,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 06:28:21,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:21,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 06:28:21,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 06:28:21,049 INFO L87 Difference]: Start difference. First operand 422 states and 536 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 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) [2023-12-16 06:28:21,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:21,555 INFO L93 Difference]: Finished difference Result 820 states and 1025 transitions. [2023-12-16 06:28:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 06:28:21,555 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 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 [2023-12-16 06:28:21,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:21,558 INFO L225 Difference]: With dead ends: 820 [2023-12-16 06:28:21,558 INFO L226 Difference]: Without dead ends: 591 [2023-12-16 06:28:21,558 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 [2023-12-16 06:28:21,560 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 2537 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:21,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 751 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:28:21,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2023-12-16 06:28:21,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 422. [2023-12-16 06:28:21,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3177339901477831) internal successors, (535), 421 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:21,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 535 transitions. [2023-12-16 06:28:21,569 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 535 transitions. Word has length 78 [2023-12-16 06:28:21,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:21,570 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 535 transitions. [2023-12-16 06:28:21,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 6 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) [2023-12-16 06:28:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 535 transitions. [2023-12-16 06:28:21,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-16 06:28:21,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:21,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:21,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 06:28:21,572 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:21,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:21,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1668159008, now seen corresponding path program 1 times [2023-12-16 06:28:21,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:21,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836246215] [2023-12-16 06:28:21,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:21,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:21,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:21,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836246215] [2023-12-16 06:28:21,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836246215] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:21,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:21,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:21,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029708135] [2023-12-16 06:28:21,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:21,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:21,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:21,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:21,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:21,879 INFO L87 Difference]: Start difference. First operand 422 states and 535 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) [2023-12-16 06:28:22,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:22,622 INFO L93 Difference]: Finished difference Result 876 states and 1155 transitions. [2023-12-16 06:28:22,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:28:22,622 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 [2023-12-16 06:28:22,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:22,625 INFO L225 Difference]: With dead ends: 876 [2023-12-16 06:28:22,625 INFO L226 Difference]: Without dead ends: 782 [2023-12-16 06:28:22,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2023-12-16 06:28:22,626 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 2531 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2531 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:22,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2531 Valid, 1518 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:22,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2023-12-16 06:28:22,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 422. [2023-12-16 06:28:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3152709359605912) internal successors, (534), 421 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 534 transitions. [2023-12-16 06:28:22,634 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 534 transitions. Word has length 78 [2023-12-16 06:28:22,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:22,634 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 534 transitions. [2023-12-16 06:28:22,635 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) [2023-12-16 06:28:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 534 transitions. [2023-12-16 06:28:22,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-16 06:28:22,635 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:22,635 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] [2023-12-16 06:28:22,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 06:28:22,636 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:22,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1675317728, now seen corresponding path program 1 times [2023-12-16 06:28:22,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:22,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079611298] [2023-12-16 06:28:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:22,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:22,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:22,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079611298] [2023-12-16 06:28:22,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079611298] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:22,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:22,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:22,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497397081] [2023-12-16 06:28:22,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:22,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:22,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:22,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:22,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:22,883 INFO L87 Difference]: Start difference. First operand 422 states and 534 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) [2023-12-16 06:28:23,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:23,738 INFO L93 Difference]: Finished difference Result 923 states and 1213 transitions. [2023-12-16 06:28:23,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:23,738 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 [2023-12-16 06:28:23,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:23,740 INFO L225 Difference]: With dead ends: 923 [2023-12-16 06:28:23,741 INFO L226 Difference]: Without dead ends: 786 [2023-12-16 06:28:23,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:23,741 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 2265 mSDsluCounter, 1946 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2265 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:23,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2265 Valid, 2464 Invalid, 1504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 06:28:23,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2023-12-16 06:28:23,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 422. [2023-12-16 06:28:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.312807881773399) internal successors, (533), 421 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 533 transitions. [2023-12-16 06:28:23,750 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 533 transitions. Word has length 78 [2023-12-16 06:28:23,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:23,750 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 533 transitions. [2023-12-16 06:28:23,750 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) [2023-12-16 06:28:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 533 transitions. [2023-12-16 06:28:23,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-16 06:28:23,751 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:23,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:23,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 06:28:23,751 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:23,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:23,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1605144151, now seen corresponding path program 1 times [2023-12-16 06:28:23,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:23,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477122463] [2023-12-16 06:28:23,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:23,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:23,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:23,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:23,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477122463] [2023-12-16 06:28:23,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477122463] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:23,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:23,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:23,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94090418] [2023-12-16 06:28:23,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:23,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:23,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:23,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:23,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:23,993 INFO L87 Difference]: Start difference. First operand 422 states and 533 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) [2023-12-16 06:28:24,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:24,693 INFO L93 Difference]: Finished difference Result 849 states and 1112 transitions. [2023-12-16 06:28:24,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:24,693 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 [2023-12-16 06:28:24,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:24,695 INFO L225 Difference]: With dead ends: 849 [2023-12-16 06:28:24,695 INFO L226 Difference]: Without dead ends: 774 [2023-12-16 06:28:24,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:24,696 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 1378 mSDsluCounter, 1463 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1378 SdHoareTripleChecker+Valid, 1850 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:24,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1378 Valid, 1850 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:28:24,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2023-12-16 06:28:24,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2023-12-16 06:28:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3103448275862069) internal successors, (532), 421 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 532 transitions. [2023-12-16 06:28:24,703 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 532 transitions. Word has length 79 [2023-12-16 06:28:24,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:24,704 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 532 transitions. [2023-12-16 06:28:24,704 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) [2023-12-16 06:28:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 532 transitions. [2023-12-16 06:28:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:28:24,704 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:24,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:24,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 06:28:24,705 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:24,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:24,708 INFO L85 PathProgramCache]: Analyzing trace with hash 968830309, now seen corresponding path program 1 times [2023-12-16 06:28:24,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:24,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802181218] [2023-12-16 06:28:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:24,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:25,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:25,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802181218] [2023-12-16 06:28:25,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802181218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:25,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:25,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-16 06:28:25,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778765672] [2023-12-16 06:28:25,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:25,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 06:28:25,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:25,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 06:28:25,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-16 06:28:25,172 INFO L87 Difference]: Start difference. First operand 422 states and 532 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 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) [2023-12-16 06:28:26,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:26,496 INFO L93 Difference]: Finished difference Result 1090 states and 1444 transitions. [2023-12-16 06:28:26,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-16 06:28:26,496 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 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 [2023-12-16 06:28:26,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:26,499 INFO L225 Difference]: With dead ends: 1090 [2023-12-16 06:28:26,499 INFO L226 Difference]: Without dead ends: 938 [2023-12-16 06:28:26,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2023-12-16 06:28:26,500 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 2593 mSDsluCounter, 2213 mSDsCounter, 0 mSdLazyCounter, 2035 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2593 SdHoareTripleChecker+Valid, 2839 SdHoareTripleChecker+Invalid, 2046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:26,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2593 Valid, 2839 Invalid, 2046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2035 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 06:28:26,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2023-12-16 06:28:26,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 422. [2023-12-16 06:28:26,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3078817733990147) internal successors, (531), 421 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 531 transitions. [2023-12-16 06:28:26,510 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 531 transitions. Word has length 80 [2023-12-16 06:28:26,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:26,510 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 531 transitions. [2023-12-16 06:28:26,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 9 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) [2023-12-16 06:28:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 531 transitions. [2023-12-16 06:28:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:28:26,511 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:26,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:26,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 06:28:26,511 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:26,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:26,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1772365797, now seen corresponding path program 1 times [2023-12-16 06:28:26,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:26,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483065842] [2023-12-16 06:28:26,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:26,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:26,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:26,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:26,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483065842] [2023-12-16 06:28:26,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483065842] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:26,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:26,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:26,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815272070] [2023-12-16 06:28:26,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:26,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:26,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:26,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:26,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:26,692 INFO L87 Difference]: Start difference. First operand 422 states and 531 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:27,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:27,454 INFO L93 Difference]: Finished difference Result 885 states and 1158 transitions. [2023-12-16 06:28:27,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:28:27,454 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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 [2023-12-16 06:28:27,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:27,456 INFO L225 Difference]: With dead ends: 885 [2023-12-16 06:28:27,456 INFO L226 Difference]: Without dead ends: 782 [2023-12-16 06:28:27,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-16 06:28:27,457 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 1921 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:27,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1921 Valid, 2212 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:28:27,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2023-12-16 06:28:27,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 422. [2023-12-16 06:28:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3054187192118227) internal successors, (530), 421 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 530 transitions. [2023-12-16 06:28:27,464 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 530 transitions. Word has length 80 [2023-12-16 06:28:27,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:27,464 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 530 transitions. [2023-12-16 06:28:27,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 530 transitions. [2023-12-16 06:28:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:28:27,465 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:27,465 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:27,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 06:28:27,465 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:27,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:27,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1109843867, now seen corresponding path program 1 times [2023-12-16 06:28:27,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:27,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26961146] [2023-12-16 06:28:27,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:27,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:27,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:27,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26961146] [2023-12-16 06:28:27,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26961146] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:27,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:27,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:27,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971316933] [2023-12-16 06:28:27,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:27,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:27,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:27,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:27,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:27,686 INFO L87 Difference]: Start difference. First operand 422 states and 530 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:28,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:28,499 INFO L93 Difference]: Finished difference Result 853 states and 1112 transitions. [2023-12-16 06:28:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:28,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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 [2023-12-16 06:28:28,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:28,501 INFO L225 Difference]: With dead ends: 853 [2023-12-16 06:28:28,501 INFO L226 Difference]: Without dead ends: 774 [2023-12-16 06:28:28,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:28,502 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1336 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1336 SdHoareTripleChecker+Valid, 2020 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:28,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1336 Valid, 2020 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 06:28:28,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2023-12-16 06:28:28,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2023-12-16 06:28:28,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3029556650246306) internal successors, (529), 421 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 529 transitions. [2023-12-16 06:28:28,509 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 529 transitions. Word has length 80 [2023-12-16 06:28:28,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:28,510 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 529 transitions. [2023-12-16 06:28:28,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 529 transitions. [2023-12-16 06:28:28,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:28:28,510 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:28,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:28,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 06:28:28,511 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)] === [2023-12-16 06:28:28,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:28,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1167764005, now seen corresponding path program 1 times [2023-12-16 06:28:28,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:28,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756615506] [2023-12-16 06:28:28,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:28,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:28,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:28,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:28,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756615506] [2023-12-16 06:28:28,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756615506] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:28,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:28,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:28,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10192351] [2023-12-16 06:28:28,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:28,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:28,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:28,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:28,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:28,898 INFO L87 Difference]: Start difference. First operand 422 states and 529 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:29,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:29,558 INFO L93 Difference]: Finished difference Result 853 states and 1112 transitions. [2023-12-16 06:28:29,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:29,559 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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 [2023-12-16 06:28:29,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:29,561 INFO L225 Difference]: With dead ends: 853 [2023-12-16 06:28:29,561 INFO L226 Difference]: Without dead ends: 774 [2023-12-16 06:28:29,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:29,562 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 1848 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 2237 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:29,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 2237 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:29,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2023-12-16 06:28:29,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 422. [2023-12-16 06:28:29,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 406 states have (on average 1.3004926108374384) internal successors, (528), 421 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 528 transitions. [2023-12-16 06:28:29,567 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 528 transitions. Word has length 80 [2023-12-16 06:28:29,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:29,567 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 528 transitions. [2023-12-16 06:28:29,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 528 transitions. [2023-12-16 06:28:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:28:29,568 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:29,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:29,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-16 06:28:29,568 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:29,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:29,569 INFO L85 PathProgramCache]: Analyzing trace with hash 845800069, now seen corresponding path program 1 times [2023-12-16 06:28:29,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:29,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873912017] [2023-12-16 06:28:29,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:29,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:30,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:30,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873912017] [2023-12-16 06:28:30,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873912017] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:30,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:30,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:28:30,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209431155] [2023-12-16 06:28:30,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:30,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:28:30,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:30,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:28:30,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:28:30,080 INFO L87 Difference]: Start difference. First operand 422 states and 528 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) [2023-12-16 06:28:31,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:31,198 INFO L93 Difference]: Finished difference Result 1419 states and 1922 transitions. [2023-12-16 06:28:31,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-16 06:28:31,198 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 [2023-12-16 06:28:31,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:31,202 INFO L225 Difference]: With dead ends: 1419 [2023-12-16 06:28:31,202 INFO L226 Difference]: Without dead ends: 1316 [2023-12-16 06:28:31,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-16 06:28:31,203 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 5160 mSDsluCounter, 1912 mSDsCounter, 0 mSdLazyCounter, 1807 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5160 SdHoareTripleChecker+Valid, 2536 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:31,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5160 Valid, 2536 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1807 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-16 06:28:31,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2023-12-16 06:28:31,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 427. [2023-12-16 06:28:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 411 states have (on average 1.29683698296837) internal successors, (533), 426 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 533 transitions. [2023-12-16 06:28:31,211 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 533 transitions. Word has length 80 [2023-12-16 06:28:31,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:31,211 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 533 transitions. [2023-12-16 06:28:31,212 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) [2023-12-16 06:28:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 533 transitions. [2023-12-16 06:28:31,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:28:31,212 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:31,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:31,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-16 06:28:31,212 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:31,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:31,213 INFO L85 PathProgramCache]: Analyzing trace with hash 319051941, now seen corresponding path program 1 times [2023-12-16 06:28:31,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:31,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629091747] [2023-12-16 06:28:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:31,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:31,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:31,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629091747] [2023-12-16 06:28:31,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629091747] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:31,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:31,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:31,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629976325] [2023-12-16 06:28:31,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:31,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:31,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:31,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:31,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:31,471 INFO L87 Difference]: Start difference. First operand 427 states and 533 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:32,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:32,084 INFO L93 Difference]: Finished difference Result 858 states and 1115 transitions. [2023-12-16 06:28:32,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:32,085 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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 [2023-12-16 06:28:32,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:32,087 INFO L225 Difference]: With dead ends: 858 [2023-12-16 06:28:32,087 INFO L226 Difference]: Without dead ends: 779 [2023-12-16 06:28:32,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:32,090 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 1718 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1718 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:32,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1718 Valid, 1857 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2023-12-16 06:28:32,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 427. [2023-12-16 06:28:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 411 states have (on average 1.294403892944039) internal successors, (532), 426 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 532 transitions. [2023-12-16 06:28:32,097 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 532 transitions. Word has length 80 [2023-12-16 06:28:32,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:32,097 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 532 transitions. [2023-12-16 06:28:32,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 532 transitions. [2023-12-16 06:28:32,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-16 06:28:32,097 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:32,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:32,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-16 06:28:32,098 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:32,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:32,098 INFO L85 PathProgramCache]: Analyzing trace with hash 436282523, now seen corresponding path program 1 times [2023-12-16 06:28:32,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:32,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101173576] [2023-12-16 06:28:32,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:32,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:32,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:32,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:32,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101173576] [2023-12-16 06:28:32,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101173576] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:32,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:32,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:32,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655081557] [2023-12-16 06:28:32,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:32,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:32,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:32,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:32,314 INFO L87 Difference]: Start difference. First operand 427 states and 532 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:33,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:33,048 INFO L93 Difference]: Finished difference Result 828 states and 1070 transitions. [2023-12-16 06:28:33,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:33,049 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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 [2023-12-16 06:28:33,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:33,051 INFO L225 Difference]: With dead ends: 828 [2023-12-16 06:28:33,051 INFO L226 Difference]: Without dead ends: 762 [2023-12-16 06:28:33,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:33,052 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 1870 mSDsluCounter, 1689 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 2101 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 [2023-12-16 06:28:33,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 2101 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1417 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:28:33,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2023-12-16 06:28:33,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 426. [2023-12-16 06:28:33,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 410 states have (on average 1.2926829268292683) internal successors, (530), 425 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 530 transitions. [2023-12-16 06:28:33,059 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 530 transitions. Word has length 80 [2023-12-16 06:28:33,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:33,059 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 530 transitions. [2023-12-16 06:28:33,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 7 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) [2023-12-16 06:28:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 530 transitions. [2023-12-16 06:28:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-16 06:28:33,060 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:33,060 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:33,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-12-16 06:28:33,060 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:33,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:33,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1402771346, now seen corresponding path program 1 times [2023-12-16 06:28:33,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:33,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218106981] [2023-12-16 06:28:33,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:33,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:33,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:33,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:33,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218106981] [2023-12-16 06:28:33,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218106981] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:33,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:33,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:33,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884261066] [2023-12-16 06:28:33,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:33,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:33,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:33,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:33,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:33,276 INFO L87 Difference]: Start difference. First operand 426 states and 530 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) [2023-12-16 06:28:34,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:34,085 INFO L93 Difference]: Finished difference Result 830 states and 1071 transitions. [2023-12-16 06:28:34,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:34,086 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 [2023-12-16 06:28:34,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:34,088 INFO L225 Difference]: With dead ends: 830 [2023-12-16 06:28:34,088 INFO L226 Difference]: Without dead ends: 762 [2023-12-16 06:28:34,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:34,089 INFO L413 NwaCegarLoop]: 401 mSDtfsCounter, 1900 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1900 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:34,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1900 Valid, 2068 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 06:28:34,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2023-12-16 06:28:34,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 426. [2023-12-16 06:28:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 410 states have (on average 1.2902439024390244) internal successors, (529), 425 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 529 transitions. [2023-12-16 06:28:34,096 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 529 transitions. Word has length 81 [2023-12-16 06:28:34,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:34,096 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 529 transitions. [2023-12-16 06:28:34,097 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) [2023-12-16 06:28:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 529 transitions. [2023-12-16 06:28:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-16 06:28:34,097 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:34,097 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:34,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-12-16 06:28:34,098 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:34,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:34,098 INFO L85 PathProgramCache]: Analyzing trace with hash -737160558, now seen corresponding path program 1 times [2023-12-16 06:28:34,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:34,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828433977] [2023-12-16 06:28:34,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:34,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:34,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:34,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828433977] [2023-12-16 06:28:34,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828433977] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:34,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:34,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:34,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110056484] [2023-12-16 06:28:34,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:34,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:34,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:34,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:34,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:34,301 INFO L87 Difference]: Start difference. First operand 426 states and 529 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) [2023-12-16 06:28:35,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:35,034 INFO L93 Difference]: Finished difference Result 830 states and 1070 transitions. [2023-12-16 06:28:35,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:35,035 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 [2023-12-16 06:28:35,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:35,037 INFO L225 Difference]: With dead ends: 830 [2023-12-16 06:28:35,038 INFO L226 Difference]: Without dead ends: 762 [2023-12-16 06:28:35,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:35,038 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 1861 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1861 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:35,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1861 Valid, 2100 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:28:35,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2023-12-16 06:28:35,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 426. [2023-12-16 06:28:35,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 410 states have (on average 1.2878048780487805) internal successors, (528), 425 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 528 transitions. [2023-12-16 06:28:35,049 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 528 transitions. Word has length 81 [2023-12-16 06:28:35,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:35,049 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 528 transitions. [2023-12-16 06:28:35,050 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) [2023-12-16 06:28:35,050 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 528 transitions. [2023-12-16 06:28:35,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-16 06:28:35,050 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:35,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:35,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-16 06:28:35,050 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:35,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:35,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1997711831, now seen corresponding path program 1 times [2023-12-16 06:28:35,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:35,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194804175] [2023-12-16 06:28:35,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:35,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:35,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:35,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194804175] [2023-12-16 06:28:35,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194804175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:35,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:35,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:35,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306355258] [2023-12-16 06:28:35,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:35,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:35,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:35,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:35,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:35,215 INFO L87 Difference]: Start difference. First operand 426 states and 528 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) [2023-12-16 06:28:36,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:36,015 INFO L93 Difference]: Finished difference Result 884 states and 1149 transitions. [2023-12-16 06:28:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:28:36,016 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 [2023-12-16 06:28:36,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:36,018 INFO L225 Difference]: With dead ends: 884 [2023-12-16 06:28:36,018 INFO L226 Difference]: Without dead ends: 781 [2023-12-16 06:28:36,018 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 [2023-12-16 06:28:36,019 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 1985 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1985 SdHoareTripleChecker+Valid, 2137 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:36,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1985 Valid, 2137 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 06:28:36,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2023-12-16 06:28:36,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 421. [2023-12-16 06:28:36,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.288888888888889) internal successors, (522), 420 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:36,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 522 transitions. [2023-12-16 06:28:36,025 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 522 transitions. Word has length 81 [2023-12-16 06:28:36,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:36,025 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 522 transitions. [2023-12-16 06:28:36,025 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) [2023-12-16 06:28:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 522 transitions. [2023-12-16 06:28:36,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-16 06:28:36,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:36,026 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:36,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-12-16 06:28:36,026 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:36,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:36,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1762485042, now seen corresponding path program 1 times [2023-12-16 06:28:36,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:36,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943908063] [2023-12-16 06:28:36,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:36,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:36,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:36,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943908063] [2023-12-16 06:28:36,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943908063] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:36,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:36,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:36,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951381768] [2023-12-16 06:28:36,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:36,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:36,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:36,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:36,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:36,220 INFO L87 Difference]: Start difference. First operand 421 states and 522 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) [2023-12-16 06:28:36,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:36,938 INFO L93 Difference]: Finished difference Result 825 states and 1063 transitions. [2023-12-16 06:28:36,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:36,938 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 [2023-12-16 06:28:36,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:36,940 INFO L225 Difference]: With dead ends: 825 [2023-12-16 06:28:36,940 INFO L226 Difference]: Without dead ends: 757 [2023-12-16 06:28:36,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:36,941 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 1853 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:36,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 2325 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:28:36,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-12-16 06:28:36,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 421. [2023-12-16 06:28:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2864197530864196) internal successors, (521), 420 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 521 transitions. [2023-12-16 06:28:36,946 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 521 transitions. Word has length 81 [2023-12-16 06:28:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:36,946 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 521 transitions. [2023-12-16 06:28:36,946 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) [2023-12-16 06:28:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 521 transitions. [2023-12-16 06:28:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-16 06:28:36,947 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:36,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:36,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-12-16 06:28:36,947 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:36,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:36,948 INFO L85 PathProgramCache]: Analyzing trace with hash -818292174, now seen corresponding path program 1 times [2023-12-16 06:28:36,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:36,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779136715] [2023-12-16 06:28:36,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:36,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:37,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:37,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779136715] [2023-12-16 06:28:37,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779136715] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:37,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:37,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:37,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524613435] [2023-12-16 06:28:37,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:37,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:37,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:37,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:37,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:37,101 INFO L87 Difference]: Start difference. First operand 421 states and 521 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) [2023-12-16 06:28:37,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:37,774 INFO L93 Difference]: Finished difference Result 825 states and 1062 transitions. [2023-12-16 06:28:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:28:37,775 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 [2023-12-16 06:28:37,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:37,777 INFO L225 Difference]: With dead ends: 825 [2023-12-16 06:28:37,777 INFO L226 Difference]: Without dead ends: 757 [2023-12-16 06:28:37,777 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 [2023-12-16 06:28:37,778 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 2154 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2154 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:37,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2154 Valid, 1783 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:37,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-12-16 06:28:37,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 421. [2023-12-16 06:28:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2839506172839505) internal successors, (520), 420 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 520 transitions. [2023-12-16 06:28:37,785 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 520 transitions. Word has length 81 [2023-12-16 06:28:37,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:37,785 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 520 transitions. [2023-12-16 06:28:37,786 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) [2023-12-16 06:28:37,786 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 520 transitions. [2023-12-16 06:28:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:37,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:37,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:37,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-12-16 06:28:37,788 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:37,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1416899414, now seen corresponding path program 1 times [2023-12-16 06:28:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:37,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390434208] [2023-12-16 06:28:37,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:37,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:38,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:38,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390434208] [2023-12-16 06:28:38,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390434208] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:38,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:38,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:38,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079262913] [2023-12-16 06:28:38,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:38,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:38,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:38,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:38,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:38,005 INFO L87 Difference]: Start difference. First operand 421 states and 520 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) [2023-12-16 06:28:38,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:38,699 INFO L93 Difference]: Finished difference Result 763 states and 967 transitions. [2023-12-16 06:28:38,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:38,700 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 [2023-12-16 06:28:38,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:38,702 INFO L225 Difference]: With dead ends: 763 [2023-12-16 06:28:38,702 INFO L226 Difference]: Without dead ends: 757 [2023-12-16 06:28:38,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:38,703 INFO L413 NwaCegarLoop]: 408 mSDtfsCounter, 1861 mSDsluCounter, 1684 mSDsCounter, 0 mSdLazyCounter, 1386 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1861 SdHoareTripleChecker+Valid, 2092 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:38,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1861 Valid, 2092 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1386 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:28:38,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-12-16 06:28:38,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 421. [2023-12-16 06:28:38,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2814814814814814) internal successors, (519), 420 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) [2023-12-16 06:28:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 519 transitions. [2023-12-16 06:28:38,708 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 519 transitions. Word has length 82 [2023-12-16 06:28:38,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:38,709 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 519 transitions. [2023-12-16 06:28:38,709 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) [2023-12-16 06:28:38,709 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 519 transitions. [2023-12-16 06:28:38,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:38,709 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:38,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:38,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-12-16 06:28:38,710 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:38,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:38,710 INFO L85 PathProgramCache]: Analyzing trace with hash 110550506, now seen corresponding path program 1 times [2023-12-16 06:28:38,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:38,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919910418] [2023-12-16 06:28:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:38,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:38,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:38,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919910418] [2023-12-16 06:28:38,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919910418] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:38,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:38,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:38,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531274776] [2023-12-16 06:28:38,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:38,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:38,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:38,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:38,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:38,870 INFO L87 Difference]: Start difference. First operand 421 states and 519 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) [2023-12-16 06:28:39,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:39,407 INFO L93 Difference]: Finished difference Result 792 states and 1007 transitions. [2023-12-16 06:28:39,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:39,408 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 [2023-12-16 06:28:39,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:39,409 INFO L225 Difference]: With dead ends: 792 [2023-12-16 06:28:39,410 INFO L226 Difference]: Without dead ends: 773 [2023-12-16 06:28:39,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:39,410 INFO L413 NwaCegarLoop]: 529 mSDtfsCounter, 1691 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1691 SdHoareTripleChecker+Valid, 2028 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:39,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1691 Valid, 2028 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:28:39,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2023-12-16 06:28:39,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 421. [2023-12-16 06:28:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2790123456790123) internal successors, (518), 420 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 518 transitions. [2023-12-16 06:28:39,418 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 518 transitions. Word has length 82 [2023-12-16 06:28:39,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:39,418 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 518 transitions. [2023-12-16 06:28:39,418 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) [2023-12-16 06:28:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 518 transitions. [2023-12-16 06:28:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:39,418 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:39,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:39,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-12-16 06:28:39,419 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:39,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:39,419 INFO L85 PathProgramCache]: Analyzing trace with hash -534325398, now seen corresponding path program 1 times [2023-12-16 06:28:39,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:39,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817463662] [2023-12-16 06:28:39,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:39,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:39,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:39,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817463662] [2023-12-16 06:28:39,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817463662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:39,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:39,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:39,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739963821] [2023-12-16 06:28:39,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:39,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:39,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:39,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:39,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:39,759 INFO L87 Difference]: Start difference. First operand 421 states and 518 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) [2023-12-16 06:28:40,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:40,380 INFO L93 Difference]: Finished difference Result 763 states and 965 transitions. [2023-12-16 06:28:40,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:28:40,381 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 [2023-12-16 06:28:40,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:40,383 INFO L225 Difference]: With dead ends: 763 [2023-12-16 06:28:40,383 INFO L226 Difference]: Without dead ends: 757 [2023-12-16 06:28:40,383 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 [2023-12-16 06:28:40,384 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 2087 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 1840 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 [2023-12-16 06:28:40,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 1840 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-12-16 06:28:40,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 421. [2023-12-16 06:28:40,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2765432098765432) internal successors, (517), 420 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:40,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 517 transitions. [2023-12-16 06:28:40,391 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 517 transitions. Word has length 82 [2023-12-16 06:28:40,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:40,391 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 517 transitions. [2023-12-16 06:28:40,391 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) [2023-12-16 06:28:40,391 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 517 transitions. [2023-12-16 06:28:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:40,392 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:40,392 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:40,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-12-16 06:28:40,392 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:40,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:40,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1378881558, now seen corresponding path program 1 times [2023-12-16 06:28:40,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:40,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953897867] [2023-12-16 06:28:40,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:40,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:40,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:40,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953897867] [2023-12-16 06:28:40,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953897867] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:40,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:40,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:40,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315250046] [2023-12-16 06:28:40,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:40,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:40,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:40,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:40,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:40,570 INFO L87 Difference]: Start difference. First operand 421 states and 517 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) [2023-12-16 06:28:41,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:41,150 INFO L93 Difference]: Finished difference Result 828 states and 1059 transitions. [2023-12-16 06:28:41,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:41,151 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 [2023-12-16 06:28:41,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:41,153 INFO L225 Difference]: With dead ends: 828 [2023-12-16 06:28:41,153 INFO L226 Difference]: Without dead ends: 757 [2023-12-16 06:28:41,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:41,153 INFO L413 NwaCegarLoop]: 429 mSDtfsCounter, 1838 mSDsluCounter, 1728 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 2157 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:41,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 2157 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:41,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-12-16 06:28:41,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 421. [2023-12-16 06:28:41,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.2740740740740741) internal successors, (516), 420 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 516 transitions. [2023-12-16 06:28:41,159 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 516 transitions. Word has length 82 [2023-12-16 06:28:41,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:41,159 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 516 transitions. [2023-12-16 06:28:41,160 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) [2023-12-16 06:28:41,160 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 516 transitions. [2023-12-16 06:28:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:41,160 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:41,160 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:41,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-12-16 06:28:41,161 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:41,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:41,161 INFO L85 PathProgramCache]: Analyzing trace with hash 148568362, now seen corresponding path program 1 times [2023-12-16 06:28:41,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:41,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136641099] [2023-12-16 06:28:41,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:41,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:41,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:41,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136641099] [2023-12-16 06:28:41,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136641099] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:41,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:41,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:41,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474761003] [2023-12-16 06:28:41,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:41,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:41,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:41,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:41,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:41,318 INFO L87 Difference]: Start difference. First operand 421 states and 516 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) [2023-12-16 06:28:41,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:41,877 INFO L93 Difference]: Finished difference Result 857 states and 1099 transitions. [2023-12-16 06:28:41,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:41,877 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 [2023-12-16 06:28:41,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:41,879 INFO L225 Difference]: With dead ends: 857 [2023-12-16 06:28:41,879 INFO L226 Difference]: Without dead ends: 773 [2023-12-16 06:28:41,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:41,880 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 1779 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1779 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:41,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1779 Valid, 1922 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:41,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2023-12-16 06:28:41,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 421. [2023-12-16 06:28:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 405 states have (on average 1.271604938271605) internal successors, (515), 420 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 515 transitions. [2023-12-16 06:28:41,885 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 515 transitions. Word has length 82 [2023-12-16 06:28:41,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:41,885 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 515 transitions. [2023-12-16 06:28:41,885 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) [2023-12-16 06:28:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 515 transitions. [2023-12-16 06:28:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:41,886 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:41,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:41,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-12-16 06:28:41,886 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:41,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:41,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1321164118, now seen corresponding path program 1 times [2023-12-16 06:28:41,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:41,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057254083] [2023-12-16 06:28:41,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:41,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:42,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:42,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:42,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057254083] [2023-12-16 06:28:42,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057254083] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:42,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:42,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:28:42,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915121057] [2023-12-16 06:28:42,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:42,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:28:42,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:42,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:28:42,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:28:42,231 INFO L87 Difference]: Start difference. First operand 421 states and 515 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 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) [2023-12-16 06:28:43,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:43,712 INFO L93 Difference]: Finished difference Result 1430 states and 1915 transitions. [2023-12-16 06:28:43,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-16 06:28:43,712 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 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 [2023-12-16 06:28:43,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:43,716 INFO L225 Difference]: With dead ends: 1430 [2023-12-16 06:28:43,716 INFO L226 Difference]: Without dead ends: 1321 [2023-12-16 06:28:43,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-16 06:28:43,717 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 3795 mSDsluCounter, 2576 mSDsCounter, 0 mSdLazyCounter, 2329 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3795 SdHoareTripleChecker+Valid, 3259 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 2329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:43,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3795 Valid, 3259 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 2329 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 06:28:43,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2023-12-16 06:28:43,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 426. [2023-12-16 06:28:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 410 states have (on average 1.2682926829268293) internal successors, (520), 425 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:43,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 520 transitions. [2023-12-16 06:28:43,726 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 520 transitions. Word has length 82 [2023-12-16 06:28:43,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:43,726 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 520 transitions. [2023-12-16 06:28:43,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 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) [2023-12-16 06:28:43,726 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 520 transitions. [2023-12-16 06:28:43,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:43,727 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:43,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:43,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-12-16 06:28:43,727 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:43,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:43,728 INFO L85 PathProgramCache]: Analyzing trace with hash -378154710, now seen corresponding path program 1 times [2023-12-16 06:28:43,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:43,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421225370] [2023-12-16 06:28:43,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:43,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:43,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:43,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421225370] [2023-12-16 06:28:43,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421225370] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:43,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:43,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:43,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232234896] [2023-12-16 06:28:43,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:43,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:43,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:43,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:43,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:43,926 INFO L87 Difference]: Start difference. First operand 426 states and 520 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) [2023-12-16 06:28:44,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:44,665 INFO L93 Difference]: Finished difference Result 833 states and 1062 transitions. [2023-12-16 06:28:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:44,665 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 [2023-12-16 06:28:44,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:44,668 INFO L225 Difference]: With dead ends: 833 [2023-12-16 06:28:44,668 INFO L226 Difference]: Without dead ends: 762 [2023-12-16 06:28:44,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:44,669 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 1829 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:44,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 2220 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 06:28:44,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2023-12-16 06:28:44,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 426. [2023-12-16 06:28:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 410 states have (on average 1.2658536585365854) internal successors, (519), 425 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) [2023-12-16 06:28:44,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 519 transitions. [2023-12-16 06:28:44,676 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 519 transitions. Word has length 82 [2023-12-16 06:28:44,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:44,676 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 519 transitions. [2023-12-16 06:28:44,676 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) [2023-12-16 06:28:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 519 transitions. [2023-12-16 06:28:44,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:44,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:44,677 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, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:44,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-12-16 06:28:44,677 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:44,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:44,678 INFO L85 PathProgramCache]: Analyzing trace with hash 637597674, now seen corresponding path program 1 times [2023-12-16 06:28:44,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:44,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452411827] [2023-12-16 06:28:44,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:44,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:44,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:44,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452411827] [2023-12-16 06:28:44,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452411827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:44,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:44,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:44,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523676539] [2023-12-16 06:28:44,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:44,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:44,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:44,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:44,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:44,893 INFO L87 Difference]: Start difference. First operand 426 states and 519 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) [2023-12-16 06:28:45,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:45,460 INFO L93 Difference]: Finished difference Result 862 states and 1101 transitions. [2023-12-16 06:28:45,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:45,461 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 [2023-12-16 06:28:45,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:45,464 INFO L225 Difference]: With dead ends: 862 [2023-12-16 06:28:45,464 INFO L226 Difference]: Without dead ends: 778 [2023-12-16 06:28:45,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:28:45,465 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 1678 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1678 SdHoareTripleChecker+Valid, 2042 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:45,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1678 Valid, 2042 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:45,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2023-12-16 06:28:45,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 426. [2023-12-16 06:28:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 410 states have (on average 1.2634146341463415) internal successors, (518), 425 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 518 transitions. [2023-12-16 06:28:45,471 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 518 transitions. Word has length 82 [2023-12-16 06:28:45,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:45,472 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 518 transitions. [2023-12-16 06:28:45,472 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) [2023-12-16 06:28:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 518 transitions. [2023-12-16 06:28:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:45,472 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:45,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:45,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-12-16 06:28:45,473 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:45,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:45,473 INFO L85 PathProgramCache]: Analyzing trace with hash -586374390, now seen corresponding path program 1 times [2023-12-16 06:28:45,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:45,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565728457] [2023-12-16 06:28:45,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:45,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:45,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:45,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:45,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565728457] [2023-12-16 06:28:45,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565728457] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:45,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:45,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-12-16 06:28:45,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332863744] [2023-12-16 06:28:45,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:45,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 06:28:45,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:45,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 06:28:45,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-16 06:28:45,827 INFO L87 Difference]: Start difference. First operand 426 states and 518 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 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) [2023-12-16 06:28:47,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:47,060 INFO L93 Difference]: Finished difference Result 1175 states and 1546 transitions. [2023-12-16 06:28:47,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-16 06:28:47,060 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 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 [2023-12-16 06:28:47,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:47,063 INFO L225 Difference]: With dead ends: 1175 [2023-12-16 06:28:47,063 INFO L226 Difference]: Without dead ends: 1104 [2023-12-16 06:28:47,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=264, Invalid=728, Unknown=0, NotChecked=0, Total=992 [2023-12-16 06:28:47,064 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 4273 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4273 SdHoareTripleChecker+Valid, 2579 SdHoareTripleChecker+Invalid, 1932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:47,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4273 Valid, 2579 Invalid, 1932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1799 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 06:28:47,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2023-12-16 06:28:47,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 431. [2023-12-16 06:28:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 415 states have (on average 1.2602409638554217) internal successors, (523), 430 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 523 transitions. [2023-12-16 06:28:47,070 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 523 transitions. Word has length 82 [2023-12-16 06:28:47,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:47,070 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 523 transitions. [2023-12-16 06:28:47,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 10 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) [2023-12-16 06:28:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 523 transitions. [2023-12-16 06:28:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-16 06:28:47,071 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:47,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:47,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-12-16 06:28:47,071 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:47,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:47,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1027878550, now seen corresponding path program 1 times [2023-12-16 06:28:47,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:47,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884268655] [2023-12-16 06:28:47,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:47,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:47,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:47,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884268655] [2023-12-16 06:28:47,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884268655] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:47,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:47,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:47,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213252861] [2023-12-16 06:28:47,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:47,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:47,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:47,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:47,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:47,257 INFO L87 Difference]: Start difference. First operand 431 states and 523 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) [2023-12-16 06:28:47,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:47,915 INFO L93 Difference]: Finished difference Result 768 states and 963 transitions. [2023-12-16 06:28:47,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:28:47,915 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 [2023-12-16 06:28:47,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:47,917 INFO L225 Difference]: With dead ends: 768 [2023-12-16 06:28:47,917 INFO L226 Difference]: Without dead ends: 762 [2023-12-16 06:28:47,918 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 [2023-12-16 06:28:47,918 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 1986 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:47,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 1942 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:47,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2023-12-16 06:28:47,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 431. [2023-12-16 06:28:47,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 415 states have (on average 1.2578313253012048) internal successors, (522), 430 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 522 transitions. [2023-12-16 06:28:47,924 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 522 transitions. Word has length 82 [2023-12-16 06:28:47,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:47,924 INFO L495 AbstractCegarLoop]: Abstraction has 431 states and 522 transitions. [2023-12-16 06:28:47,924 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) [2023-12-16 06:28:47,924 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 522 transitions. [2023-12-16 06:28:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-16 06:28:47,925 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:47,925 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] [2023-12-16 06:28:47,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-12-16 06:28:47,925 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:47,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:47,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1377145907, now seen corresponding path program 1 times [2023-12-16 06:28:47,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:47,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38522581] [2023-12-16 06:28:47,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:47,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:48,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:48,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38522581] [2023-12-16 06:28:48,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38522581] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:48,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:48,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 06:28:48,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649194088] [2023-12-16 06:28:48,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:48,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 06:28:48,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:48,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 06:28:48,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:28:48,326 INFO L87 Difference]: Start difference. First operand 431 states and 522 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) [2023-12-16 06:28:48,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:48,811 INFO L93 Difference]: Finished difference Result 1087 states and 1406 transitions. [2023-12-16 06:28:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:48,811 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 [2023-12-16 06:28:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:48,814 INFO L225 Difference]: With dead ends: 1087 [2023-12-16 06:28:48,814 INFO L226 Difference]: Without dead ends: 952 [2023-12-16 06:28:48,815 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 [2023-12-16 06:28:48,815 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 3283 mSDsluCounter, 3638 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3283 SdHoareTripleChecker+Valid, 4420 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:48,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3283 Valid, 4420 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:28:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2023-12-16 06:28:48,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 361. [2023-12-16 06:28:48,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 349 states have (on average 1.2607449856733524) internal successors, (440), 360 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:48,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 440 transitions. [2023-12-16 06:28:48,823 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 440 transitions. Word has length 83 [2023-12-16 06:28:48,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:48,823 INFO L495 AbstractCegarLoop]: Abstraction has 361 states and 440 transitions. [2023-12-16 06:28:48,823 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) [2023-12-16 06:28:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 440 transitions. [2023-12-16 06:28:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-16 06:28:48,824 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:48,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:48,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-12-16 06:28:48,824 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:48,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:48,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1042213600, now seen corresponding path program 1 times [2023-12-16 06:28:48,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:48,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842477223] [2023-12-16 06:28:48,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:48,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:48,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:48,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842477223] [2023-12-16 06:28:48,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842477223] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:48,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:48,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:48,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382879996] [2023-12-16 06:28:48,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:48,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:48,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:48,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:48,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:48,977 INFO L87 Difference]: Start difference. First operand 361 states and 440 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 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) [2023-12-16 06:28:49,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:49,454 INFO L93 Difference]: Finished difference Result 830 states and 1066 transitions. [2023-12-16 06:28:49,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:28:49,454 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 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 [2023-12-16 06:28:49,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:49,456 INFO L225 Difference]: With dead ends: 830 [2023-12-16 06:28:49,456 INFO L226 Difference]: Without dead ends: 721 [2023-12-16 06:28:49,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-12-16 06:28:49,456 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 1690 mSDsluCounter, 1420 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 1917 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:49,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 1917 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:28:49,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2023-12-16 06:28:49,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 356. [2023-12-16 06:28:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 344 states have (on average 1.2616279069767442) internal successors, (434), 355 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:49,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 434 transitions. [2023-12-16 06:28:49,475 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 434 transitions. Word has length 83 [2023-12-16 06:28:49,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:49,476 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 434 transitions. [2023-12-16 06:28:49,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 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) [2023-12-16 06:28:49,476 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 434 transitions. [2023-12-16 06:28:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-16 06:28:49,476 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:49,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:49,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-12-16 06:28:49,476 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:49,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:49,477 INFO L85 PathProgramCache]: Analyzing trace with hash -199769875, now seen corresponding path program 1 times [2023-12-16 06:28:49,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:49,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067550522] [2023-12-16 06:28:49,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:49,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:49,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:49,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067550522] [2023-12-16 06:28:49,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067550522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:49,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:49,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 06:28:49,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865197700] [2023-12-16 06:28:49,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:49,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 06:28:49,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:49,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 06:28:49,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:28:49,882 INFO L87 Difference]: Start difference. First operand 356 states and 434 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) [2023-12-16 06:28:50,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:50,567 INFO L93 Difference]: Finished difference Result 850 states and 1119 transitions. [2023-12-16 06:28:50,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:50,568 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 [2023-12-16 06:28:50,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:50,570 INFO L225 Difference]: With dead ends: 850 [2023-12-16 06:28:50,570 INFO L226 Difference]: Without dead ends: 784 [2023-12-16 06:28:50,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-16 06:28:50,570 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 2425 mSDsluCounter, 2489 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2425 SdHoareTripleChecker+Valid, 3044 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:50,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2425 Valid, 3044 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:28:50,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2023-12-16 06:28:50,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 355. [2023-12-16 06:28:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 343 states have (on average 1.2594752186588922) internal successors, (432), 354 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) [2023-12-16 06:28:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 432 transitions. [2023-12-16 06:28:50,575 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 432 transitions. Word has length 83 [2023-12-16 06:28:50,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:50,575 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 432 transitions. [2023-12-16 06:28:50,575 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) [2023-12-16 06:28:50,575 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 432 transitions. [2023-12-16 06:28:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-16 06:28:50,576 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:50,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:50,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-12-16 06:28:50,576 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:50,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:50,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1097921229, now seen corresponding path program 1 times [2023-12-16 06:28:50,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:50,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359420660] [2023-12-16 06:28:50,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:50,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:50,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:50,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359420660] [2023-12-16 06:28:50,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359420660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:50,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:50,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 06:28:50,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421455791] [2023-12-16 06:28:50,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:50,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 06:28:50,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:50,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 06:28:50,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:28:50,908 INFO L87 Difference]: Start difference. First operand 355 states and 432 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) [2023-12-16 06:28:51,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:51,667 INFO L93 Difference]: Finished difference Result 849 states and 1117 transitions. [2023-12-16 06:28:51,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:51,668 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 [2023-12-16 06:28:51,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:51,669 INFO L225 Difference]: With dead ends: 849 [2023-12-16 06:28:51,669 INFO L226 Difference]: Without dead ends: 783 [2023-12-16 06:28:51,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-16 06:28:51,670 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 2163 mSDsluCounter, 3201 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2163 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:51,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2163 Valid, 3829 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:28:51,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2023-12-16 06:28:51,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 354. [2023-12-16 06:28:51,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 342 states have (on average 1.2573099415204678) internal successors, (430), 353 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:51,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 430 transitions. [2023-12-16 06:28:51,675 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 430 transitions. Word has length 83 [2023-12-16 06:28:51,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:51,675 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 430 transitions. [2023-12-16 06:28:51,675 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) [2023-12-16 06:28:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 430 transitions. [2023-12-16 06:28:51,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-16 06:28:51,676 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:51,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:51,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-12-16 06:28:51,676 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)] === [2023-12-16 06:28:51,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:51,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1397509459, now seen corresponding path program 1 times [2023-12-16 06:28:51,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:51,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995043984] [2023-12-16 06:28:51,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:51,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:52,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995043984] [2023-12-16 06:28:52,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995043984] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:52,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:52,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 06:28:52,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818091567] [2023-12-16 06:28:52,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:52,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 06:28:52,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:52,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 06:28:52,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:28:52,079 INFO L87 Difference]: Start difference. First operand 354 states and 430 transitions. Second operand has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 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) [2023-12-16 06:28:52,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:52,882 INFO L93 Difference]: Finished difference Result 1332 states and 1758 transitions. [2023-12-16 06:28:52,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-16 06:28:52,882 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 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 [2023-12-16 06:28:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:52,884 INFO L225 Difference]: With dead ends: 1332 [2023-12-16 06:28:52,884 INFO L226 Difference]: Without dead ends: 1235 [2023-12-16 06:28:52,885 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 [2023-12-16 06:28:52,885 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 2076 mSDsluCounter, 7188 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2076 SdHoareTripleChecker+Valid, 8326 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:52,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2076 Valid, 8326 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:28:52,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1235 states. [2023-12-16 06:28:52,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1235 to 322. [2023-12-16 06:28:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 311 states have (on average 1.2540192926045015) internal successors, (390), 321 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) [2023-12-16 06:28:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 390 transitions. [2023-12-16 06:28:52,892 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 390 transitions. Word has length 83 [2023-12-16 06:28:52,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:52,893 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 390 transitions. [2023-12-16 06:28:52,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 12 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) [2023-12-16 06:28:52,893 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 390 transitions. [2023-12-16 06:28:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-16 06:28:52,893 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:52,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:52,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2023-12-16 06:28:52,893 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:52,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:52,894 INFO L85 PathProgramCache]: Analyzing trace with hash 2096908269, now seen corresponding path program 1 times [2023-12-16 06:28:52,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:52,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479442487] [2023-12-16 06:28:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:52,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:53,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:53,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479442487] [2023-12-16 06:28:53,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479442487] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:53,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:53,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 06:28:53,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469699057] [2023-12-16 06:28:53,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:53,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 06:28:53,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:53,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 06:28:53,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:28:53,223 INFO L87 Difference]: Start difference. First operand 322 states and 390 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) [2023-12-16 06:28:53,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:53,655 INFO L93 Difference]: Finished difference Result 851 states and 1120 transitions. [2023-12-16 06:28:53,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:28:53,655 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 [2023-12-16 06:28:53,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:53,656 INFO L225 Difference]: With dead ends: 851 [2023-12-16 06:28:53,656 INFO L226 Difference]: Without dead ends: 731 [2023-12-16 06:28:53,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2023-12-16 06:28:53,657 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 2288 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2288 SdHoareTripleChecker+Valid, 3617 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:53,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2288 Valid, 3617 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:28:53,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2023-12-16 06:28:53,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 267. [2023-12-16 06:28:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 266 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) [2023-12-16 06:28:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 321 transitions. [2023-12-16 06:28:53,661 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 321 transitions. Word has length 83 [2023-12-16 06:28:53,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:53,661 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 321 transitions. [2023-12-16 06:28:53,661 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) [2023-12-16 06:28:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 321 transitions. [2023-12-16 06:28:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-16 06:28:53,661 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:53,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:53,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2023-12-16 06:28:53,662 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:53,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:53,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2131684943, now seen corresponding path program 1 times [2023-12-16 06:28:53,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:53,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569749168] [2023-12-16 06:28:53,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:53,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:53,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:53,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569749168] [2023-12-16 06:28:53,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569749168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:53,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:53,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 06:28:53,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252545895] [2023-12-16 06:28:53,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:53,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 06:28:53,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:53,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 06:28:53,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:28:53,995 INFO L87 Difference]: Start difference. First operand 267 states and 321 transitions. Second operand has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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) [2023-12-16 06:28:54,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:54,424 INFO L93 Difference]: Finished difference Result 467 states and 586 transitions. [2023-12-16 06:28:54,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 06:28:54,425 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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 [2023-12-16 06:28:54,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:54,426 INFO L225 Difference]: With dead ends: 467 [2023-12-16 06:28:54,426 INFO L226 Difference]: Without dead ends: 398 [2023-12-16 06:28:54,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2023-12-16 06:28:54,426 INFO L413 NwaCegarLoop]: 380 mSDtfsCounter, 1595 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1595 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:54,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1595 Valid, 1727 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:28:54,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-12-16 06:28:54,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 263. [2023-12-16 06:28:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 254 states have (on average 1.2440944881889764) internal successors, (316), 262 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 316 transitions. [2023-12-16 06:28:54,429 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 316 transitions. Word has length 84 [2023-12-16 06:28:54,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:54,429 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 316 transitions. [2023-12-16 06:28:54,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 11 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) [2023-12-16 06:28:54,430 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 316 transitions. [2023-12-16 06:28:54,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-16 06:28:54,430 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:54,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:54,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2023-12-16 06:28:54,430 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:54,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:54,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1223733489, now seen corresponding path program 1 times [2023-12-16 06:28:54,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:54,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562411129] [2023-12-16 06:28:54,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:54,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:54,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:54,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:54,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562411129] [2023-12-16 06:28:54,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562411129] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:54,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:54,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 06:28:54,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447972906] [2023-12-16 06:28:54,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:54,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 06:28:54,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:54,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 06:28:54,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:28:54,816 INFO L87 Difference]: Start difference. First operand 263 states and 316 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) [2023-12-16 06:28:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:55,618 INFO L93 Difference]: Finished difference Result 1164 states and 1553 transitions. [2023-12-16 06:28:55,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-16 06:28:55,618 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 [2023-12-16 06:28:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:55,620 INFO L225 Difference]: With dead ends: 1164 [2023-12-16 06:28:55,620 INFO L226 Difference]: Without dead ends: 1064 [2023-12-16 06:28:55,621 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 [2023-12-16 06:28:55,621 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 1664 mSDsluCounter, 7157 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 8281 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:55,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1664 Valid, 8281 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:28:55,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2023-12-16 06:28:55,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 228. [2023-12-16 06:28:55,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 222 states have (on average 1.2387387387387387) internal successors, (275), 227 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 275 transitions. [2023-12-16 06:28:55,626 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 275 transitions. Word has length 84 [2023-12-16 06:28:55,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:55,626 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 275 transitions. [2023-12-16 06:28:55,626 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) [2023-12-16 06:28:55,626 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 275 transitions. [2023-12-16 06:28:55,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-16 06:28:55,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:55,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:55,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2023-12-16 06:28:55,627 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:55,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:55,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1559722417, now seen corresponding path program 1 times [2023-12-16 06:28:55,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:55,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169167802] [2023-12-16 06:28:55,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:55,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:56,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:56,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169167802] [2023-12-16 06:28:56,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169167802] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:56,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:56,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-16 06:28:56,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242448952] [2023-12-16 06:28:56,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:56,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-16 06:28:56,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:56,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-16 06:28:56,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-12-16 06:28:56,131 INFO L87 Difference]: Start difference. First operand 228 states and 275 transitions. Second operand has 15 states, 15 states have (on average 5.6) internal successors, (84), 14 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) [2023-12-16 06:28:56,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:56,832 INFO L93 Difference]: Finished difference Result 751 states and 990 transitions. [2023-12-16 06:28:56,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-16 06:28:56,832 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 14 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 [2023-12-16 06:28:56,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:56,833 INFO L225 Difference]: With dead ends: 751 [2023-12-16 06:28:56,833 INFO L226 Difference]: Without dead ends: 641 [2023-12-16 06:28:56,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2023-12-16 06:28:56,852 INFO L413 NwaCegarLoop]: 365 mSDtfsCounter, 2546 mSDsluCounter, 2607 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2546 SdHoareTripleChecker+Valid, 2972 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:56,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2546 Valid, 2972 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 06:28:56,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2023-12-16 06:28:56,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 228. [2023-12-16 06:28:56,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 222 states have (on average 1.2342342342342343) internal successors, (274), 227 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:56,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 274 transitions. [2023-12-16 06:28:56,855 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 274 transitions. Word has length 84 [2023-12-16 06:28:56,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:56,855 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 274 transitions. [2023-12-16 06:28:56,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.6) internal successors, (84), 14 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) [2023-12-16 06:28:56,855 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 274 transitions. [2023-12-16 06:28:56,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-16 06:28:56,856 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:56,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:56,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2023-12-16 06:28:56,856 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:56,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:56,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1570867187, now seen corresponding path program 1 times [2023-12-16 06:28:56,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:56,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163351910] [2023-12-16 06:28:56,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:56,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:57,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:57,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163351910] [2023-12-16 06:28:57,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163351910] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:57,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:57,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 06:28:57,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241692346] [2023-12-16 06:28:57,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:57,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 06:28:57,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:57,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 06:28:57,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-16 06:28:57,224 INFO L87 Difference]: Start difference. First operand 228 states and 274 transitions. Second operand has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:58,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:58,061 INFO L93 Difference]: Finished difference Result 1028 states and 1392 transitions. [2023-12-16 06:28:58,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-12-16 06:28:58,062 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-16 06:28:58,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:58,064 INFO L225 Difference]: With dead ends: 1028 [2023-12-16 06:28:58,064 INFO L226 Difference]: Without dead ends: 952 [2023-12-16 06:28:58,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=536, Unknown=0, NotChecked=0, Total=702 [2023-12-16 06:28:58,064 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 1544 mSDsluCounter, 4626 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 5382 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:58,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 5382 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 06:28:58,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2023-12-16 06:28:58,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 217. [2023-12-16 06:28:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 212 states have (on average 1.2311320754716981) internal successors, (261), 216 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:58,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 261 transitions. [2023-12-16 06:28:58,068 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 261 transitions. Word has length 85 [2023-12-16 06:28:58,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:58,069 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 261 transitions. [2023-12-16 06:28:58,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 12 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:58,069 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 261 transitions. [2023-12-16 06:28:58,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-16 06:28:58,069 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:58,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:58,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2023-12-16 06:28:58,069 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:58,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:58,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1029208973, now seen corresponding path program 1 times [2023-12-16 06:28:58,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:58,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723910507] [2023-12-16 06:28:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:58,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:58,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:58,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723910507] [2023-12-16 06:28:58,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723910507] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:58,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:58,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-12-16 06:28:58,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983865570] [2023-12-16 06:28:58,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:58,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-16 06:28:58,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:58,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-16 06:28:58,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2023-12-16 06:28:58,597 INFO L87 Difference]: Start difference. First operand 217 states and 261 transitions. Second operand has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:59,245 INFO L93 Difference]: Finished difference Result 484 states and 625 transitions. [2023-12-16 06:28:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 06:28:59,245 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2023-12-16 06:28:59,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:59,246 INFO L225 Difference]: With dead ends: 484 [2023-12-16 06:28:59,246 INFO L226 Difference]: Without dead ends: 381 [2023-12-16 06:28:59,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2023-12-16 06:28:59,247 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 1632 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1632 SdHoareTripleChecker+Valid, 2582 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:59,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1632 Valid, 2582 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 06:28:59,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2023-12-16 06:28:59,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 179. [2023-12-16 06:28:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 176 states have (on average 1.2386363636363635) internal successors, (218), 178 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:59,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 218 transitions. [2023-12-16 06:28:59,249 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 218 transitions. Word has length 85 [2023-12-16 06:28:59,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:59,249 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 218 transitions. [2023-12-16 06:28:59,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.071428571428571) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:59,249 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 218 transitions. [2023-12-16 06:28:59,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-16 06:28:59,250 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:59,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:59,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2023-12-16 06:28:59,250 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:59,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:59,250 INFO L85 PathProgramCache]: Analyzing trace with hash 458104271, now seen corresponding path program 1 times [2023-12-16 06:28:59,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:59,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91504930] [2023-12-16 06:28:59,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:59,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:59,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:59,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91504930] [2023-12-16 06:28:59,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91504930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:59,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:59,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:59,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132644429] [2023-12-16 06:28:59,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:59,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:59,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:59,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:59,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:59,419 INFO L87 Difference]: Start difference. First operand 179 states and 218 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:59,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:28:59,691 INFO L93 Difference]: Finished difference Result 275 states and 345 transitions. [2023-12-16 06:28:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 06:28:59,691 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-16 06:28:59,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:28:59,692 INFO L225 Difference]: With dead ends: 275 [2023-12-16 06:28:59,692 INFO L226 Difference]: Without dead ends: 267 [2023-12-16 06:28:59,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2023-12-16 06:28:59,693 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 660 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:28:59,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 683 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:28:59,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-16 06:28:59,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 179. [2023-12-16 06:28:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 176 states have (on average 1.2329545454545454) internal successors, (217), 178 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:59,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 217 transitions. [2023-12-16 06:28:59,695 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 217 transitions. Word has length 86 [2023-12-16 06:28:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:28:59,695 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 217 transitions. [2023-12-16 06:28:59,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:28:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 217 transitions. [2023-12-16 06:28:59,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-16 06:28:59,695 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:28:59,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:28:59,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2023-12-16 06:28:59,696 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:28:59,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:28:59,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1517009585, now seen corresponding path program 1 times [2023-12-16 06:28:59,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:28:59,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349755767] [2023-12-16 06:28:59,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:28:59,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:28:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:28:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:28:59,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:28:59,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349755767] [2023-12-16 06:28:59,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349755767] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:28:59,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:28:59,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 06:28:59,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480650542] [2023-12-16 06:28:59,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:28:59,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 06:28:59,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:28:59,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 06:28:59,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-16 06:28:59,837 INFO L87 Difference]: Start difference. First operand 179 states and 217 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:29:00,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:00,093 INFO L93 Difference]: Finished difference Result 372 states and 477 transitions. [2023-12-16 06:29:00,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-16 06:29:00,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2023-12-16 06:29:00,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:00,094 INFO L225 Difference]: With dead ends: 372 [2023-12-16 06:29:00,094 INFO L226 Difference]: Without dead ends: 287 [2023-12-16 06:29:00,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2023-12-16 06:29:00,096 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 751 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:00,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 734 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:29:00,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2023-12-16 06:29:00,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 179. [2023-12-16 06:29:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 176 states have (on average 1.2272727272727273) internal successors, (216), 178 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:29:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 216 transitions. [2023-12-16 06:29:00,098 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 216 transitions. Word has length 86 [2023-12-16 06:29:00,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:00,098 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 216 transitions. [2023-12-16 06:29:00,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:29:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 216 transitions. [2023-12-16 06:29:00,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-16 06:29:00,098 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:00,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:00,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2023-12-16 06:29:00,099 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:29:00,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:00,099 INFO L85 PathProgramCache]: Analyzing trace with hash 615115764, now seen corresponding path program 1 times [2023-12-16 06:29:00,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:00,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168296198] [2023-12-16 06:29:00,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:00,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:00,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:00,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:00,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168296198] [2023-12-16 06:29:00,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168296198] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:00,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:00,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-12-16 06:29:00,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139310245] [2023-12-16 06:29:00,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:00,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 06:29:00,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:00,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 06:29:00,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-12-16 06:29:00,469 INFO L87 Difference]: Start difference. First operand 179 states and 216 transitions. Second operand has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:29:00,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:00,915 INFO L93 Difference]: Finished difference Result 405 states and 535 transitions. [2023-12-16 06:29:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 06:29:00,916 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-16 06:29:00,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:00,916 INFO L225 Difference]: With dead ends: 405 [2023-12-16 06:29:00,916 INFO L226 Difference]: Without dead ends: 399 [2023-12-16 06:29:00,917 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 [2023-12-16 06:29:00,918 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 965 mSDsluCounter, 2216 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 2673 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:00,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 2673 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 06:29:00,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2023-12-16 06:29:00,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 173. [2023-12-16 06:29:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 171 states have (on average 1.2280701754385965) internal successors, (210), 172 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:29:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 210 transitions. [2023-12-16 06:29:00,921 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 210 transitions. Word has length 88 [2023-12-16 06:29:00,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:00,921 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 210 transitions. [2023-12-16 06:29:00,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 11 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:29:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 210 transitions. [2023-12-16 06:29:00,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-16 06:29:00,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:00,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:00,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2023-12-16 06:29:00,922 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:29:00,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:00,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1522049356, now seen corresponding path program 1 times [2023-12-16 06:29:00,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:00,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840124384] [2023-12-16 06:29:00,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:00,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:01,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:01,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840124384] [2023-12-16 06:29:01,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840124384] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:01,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:01,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-12-16 06:29:01,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470688632] [2023-12-16 06:29:01,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:01,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-12-16 06:29:01,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:01,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-12-16 06:29:01,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2023-12-16 06:29:01,983 INFO L87 Difference]: Start difference. First operand 173 states and 210 transitions. Second operand has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:29:04,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 06:29:04,913 INFO L93 Difference]: Finished difference Result 704 states and 909 transitions. [2023-12-16 06:29:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-16 06:29:04,913 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2023-12-16 06:29:04,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 06:29:04,914 INFO L225 Difference]: With dead ends: 704 [2023-12-16 06:29:04,914 INFO L226 Difference]: Without dead ends: 695 [2023-12-16 06:29:04,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=330, Invalid=1832, Unknown=0, NotChecked=0, Total=2162 [2023-12-16 06:29:04,915 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 1648 mSDsluCounter, 8576 mSDsCounter, 0 mSdLazyCounter, 4416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 9190 SdHoareTripleChecker+Invalid, 4418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:04,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 9190 Invalid, 4418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4416 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-16 06:29:04,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2023-12-16 06:29:04,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 195. [2023-12-16 06:29:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 193 states have (on average 1.2227979274611398) internal successors, (236), 194 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:29:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 236 transitions. [2023-12-16 06:29:04,919 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 236 transitions. Word has length 88 [2023-12-16 06:29:04,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 06:29:04,919 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 236 transitions. [2023-12-16 06:29:04,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 06:29:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 236 transitions. [2023-12-16 06:29:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-16 06:29:04,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 06:29:04,919 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] [2023-12-16 06:29:04,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2023-12-16 06:29:04,919 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2023-12-16 06:29:04,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 06:29:04,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1503027030, now seen corresponding path program 1 times [2023-12-16 06:29:04,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 06:29:04,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781769163] [2023-12-16 06:29:04,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 06:29:04,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 06:29:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 06:29:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 06:29:05,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 06:29:05,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781769163] [2023-12-16 06:29:05,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781769163] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 06:29:05,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 06:29:05,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-12-16 06:29:05,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506219707] [2023-12-16 06:29:05,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 06:29:05,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-12-16 06:29:05,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 06:29:05,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-12-16 06:29:05,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=377, Unknown=0, NotChecked=0, Total=420 [2023-12-16 06:29:05,803 INFO L87 Difference]: Start difference. First operand 195 states and 236 transitions. Second operand has 21 states, 21 states have (on average 4.238095238095238) internal successors, (89), 20 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-16 06:29:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-16 06:29:07,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=389, Invalid=1773, Unknown=0, NotChecked=0, Total=2162 [2023-12-16 06:29:07,847 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 525 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 06:29:07,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 988 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 06:29:07,848 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining) [2023-12-16 06:29:07,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2023-12-16 06:29:07,849 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. [2023-12-16 06:29:07,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2023-12-16 06:29:07,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2023-12-16 06:29:07,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2023-12-16 06:29:07,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2023-12-16 06:29:07,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2023-12-16 06:29:07,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2023-12-16 06:29:07,856 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 06:29:07,858 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 06:29:07,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:29:07 BoogieIcfgContainer [2023-12-16 06:29:07,859 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 06:29:07,860 INFO L158 Benchmark]: Toolchain (without parser) took 53948.06ms. Allocated memory was 284.2MB in the beginning and 873.5MB in the end (delta: 589.3MB). Free memory was 226.4MB in the beginning and 537.0MB in the end (delta: -310.5MB). Peak memory consumption was 279.8MB. Max. memory is 8.0GB. [2023-12-16 06:29:07,860 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 06:29:07,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1132.89ms. Allocated memory is still 284.2MB. Free memory was 226.1MB in the beginning and 185.4MB in the end (delta: 40.7MB). Peak memory consumption was 66.2MB. Max. memory is 8.0GB. [2023-12-16 06:29:07,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.00ms. Allocated memory is still 284.2MB. Free memory was 185.4MB in the beginning and 163.9MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-16 06:29:07,863 INFO L158 Benchmark]: Boogie Preprocessor took 185.81ms. Allocated memory is still 284.2MB. Free memory was 163.9MB in the beginning and 141.6MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-16 06:29:07,863 INFO L158 Benchmark]: RCFGBuilder took 2392.17ms. Allocated memory was 284.2MB in the beginning and 447.7MB in the end (delta: 163.6MB). Free memory was 141.6MB in the beginning and 293.9MB in the end (delta: -152.3MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2023-12-16 06:29:07,864 INFO L158 Benchmark]: TraceAbstraction took 50074.72ms. Allocated memory was 447.7MB in the beginning and 873.5MB in the end (delta: 425.7MB). Free memory was 293.4MB in the beginning and 537.0MB in the end (delta: -243.6MB). Peak memory consumption was 182.1MB. Max. memory is 8.0GB. [2023-12-16 06:29:07,870 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 06:29:07,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 208.7MB. Free memory is still 158.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1132.89ms. Allocated memory is still 284.2MB. Free memory was 226.1MB in the beginning and 185.4MB in the end (delta: 40.7MB). Peak memory consumption was 66.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 145.00ms. Allocated memory is still 284.2MB. Free memory was 185.4MB in the beginning and 163.9MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 185.81ms. Allocated memory is still 284.2MB. Free memory was 163.9MB in the beginning and 141.6MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * RCFGBuilder took 2392.17ms. Allocated memory was 284.2MB in the beginning and 447.7MB in the end (delta: 163.6MB). Free memory was 141.6MB in the beginning and 293.9MB in the end (delta: -152.3MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. * TraceAbstraction took 50074.72ms. Allocated memory was 447.7MB in the beginning and 873.5MB in the end (delta: 425.7MB). Free memory was 293.4MB in the beginning and 537.0MB in the end (delta: -243.6MB). Peak memory consumption was 182.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 8568]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8568). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 2619]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2619). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 3807]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3807). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 4396]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4396). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 4688]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4688). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 4965]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 4965). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 6219]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6219). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 6809]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 6809). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 7102]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7102). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 7380]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7380). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 7709]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7709). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 7997]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 7997). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 8290]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8290). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 8871]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 8871). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 9154]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9154). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - TimeoutResultAtElement [Line: 9442]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 9442). Cancelled while NwaCegarLoop was constructing difference of abstraction (195states) and FLOYD_HOARE automaton (currently 31 states, 21 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 47 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1191 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 50.0s, OverallIterations: 47, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96600 SdHoareTripleChecker+Valid, 24.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96600 mSDsluCounter, 117554 SdHoareTripleChecker+Invalid, 20.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94313 mSDsCounter, 565 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54030 IncrementalHoareTripleChecker+Invalid, 54595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 565 mSolverCounterUnsat, 23241 mSDtfsCounter, 54030 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 918 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 869 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3052 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1191occurred in iteration=0, InterpolantAutomatonStates: 662, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 46 MinimizatonAttempts, 16839 StatesRemovedByMinimization, 41 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 3821 NumberOfCodeBlocks, 3821 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 3774 ConstructedInterpolants, 0 QuantifiedInterpolants, 47530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 47 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown